diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..198404b
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,30 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/python
+{
+  "name": "Python 3",
+  // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+  "image": "mcr.microsoft.com/devcontainers/python:1-3.12-bookworm",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-python.python",
+        "ms-python.vscode-pylance",
+        "ms-python.black-formatter",
+        "ms-python.isort",
+        "ms-python.flake8",
+        "eamodio.gitlens"
+      ]
+    }
+  },
+  // Features to add to the dev container. More info: https://containers.dev/features.
+  // "features": {},
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  // "forwardPorts": [],
+  // Use 'postCreateCommand' to run commands after the container is created.
+  // "postCreateCommand": "pip3 install --user -r requirements.txt",
+  "postCreateCommand": "virtualenv venv && ./venv/bin/pip install -r requirements-dev.txt && ./venv/bin/pre-commit install"
+  // Configure tool-specific properties.
+  // "customizations": {},
+  // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+  // "remoteUser": "root"
+}
diff --git a/.flake8 b/.flake8
index d68af71..d373378 100644
--- a/.flake8
+++ b/.flake8
@@ -19,6 +19,7 @@ exclude =
     docker-compose.yaml,
     frontend,
     *.md,
+    */*.md,
     *.txt
 
 extend-select =
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c8e920d..079900f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -34,6 +34,7 @@ repos:
       - id: check-yaml
 
       - id: check-json
+        exclude: ^.devcontainer/devcontainer.json$
 
   - repo: https://github.com/igorshubovych/markdownlint-cli
     rev: v0.39.0
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..14137f2
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,91 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Debug SunPower Integration",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "${workspaceFolder}/testing/debug_runner.py",
+      "console": "integratedTerminal",
+      "envFile": "${workspaceFolder}/.env",
+      "env": {
+        "PYTHONPATH": "${workspaceFolder}:${workspaceFolder}/custom_components"
+      },
+      "cwd": "${workspaceFolder}",
+      "justMyCode": false,
+      "stopOnEntry": false
+    },
+    {
+      "name": "Test with Sample Data",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "${workspaceFolder}/testing/test_with_sample_data.py",
+      "console": "integratedTerminal",
+      "env": {
+        "PYTHONPATH": "${workspaceFolder}:${workspaceFolder}/custom_components"
+      },
+      "cwd": "${workspaceFolder}",
+      "justMyCode": false,
+      "stopOnEntry": false
+    },
+    {
+      "name": "Debug HA Integration",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "${workspaceFolder}/testing/test_ha_integration.py",
+      "console": "integratedTerminal",
+      "envFile": "${workspaceFolder}/.env",
+      "env": {
+        "PYTHONPATH": "${workspaceFolder}:${workspaceFolder}/custom_components"
+      },
+      "cwd": "${workspaceFolder}",
+      "justMyCode": false,
+      "stopOnEntry": false
+    },
+    {
+      "name": "Debug SunPower API Client",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "${workspaceFolder}/testing/test_api.py",
+      "console": "integratedTerminal",
+      "envFile": "${workspaceFolder}/.env",
+      "env": {
+        "PYTHONPATH": "${workspaceFolder}:${workspaceFolder}/custom_components"
+      },
+      "cwd": "${workspaceFolder}",
+      "justMyCode": false,
+      "stopOnEntry": false
+    },
+    {
+      "name": "Debug Current File",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "${file}",
+      "console": "integratedTerminal",
+      "envFile": "${workspaceFolder}/.env",
+      "env": {
+        "PYTHONPATH": "${workspaceFolder}:${workspaceFolder}/custom_components"
+      },
+      "cwd": "${workspaceFolder}",
+      "justMyCode": false
+    },
+    {
+      "name": "Run Tests",
+      "type": "debugpy",
+      "request": "launch",
+      "module": "pytest",
+      "args": [
+        "tests/",
+        "-v",
+        "--tb=short"
+      ],
+      "console": "integratedTerminal",
+      "envFile": "${workspaceFolder}/.env",
+      "env": {
+        "PYTHONPATH": "${workspaceFolder}:${workspaceFolder}/custom_components"
+      },
+      "cwd": "${workspaceFolder}",
+      "justMyCode": false
+    }
+  ]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..ed72745
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,47 @@
+{
+  "python.defaultInterpreterPath": "./venv/bin/python",
+  "python.terminal.activateEnvironment": true,
+  "python.linting.enabled": true,
+  "python.linting.flake8Enabled": true,
+  "python.linting.pylintEnabled": false,
+  "python.formatting.provider": "black",
+  "python.formatting.blackArgs": [
+    "--line-length",
+    "99"
+  ],
+  "python.sortImports.args": [
+    "--profile",
+    "black"
+  ],
+  "editor.insertSpaces": true,
+  "editor.tabSize": 2,
+  "editor.formatOnSave": true,
+  "editor.detectIndentation": false,
+  "editor.codeActionsOnSave": {
+    "source.organizeImports": "explicit"
+  },
+  "files.exclude": {
+    "**/__pycache__": true,
+    "**/*.pyc": true,
+    ".pytest_cache": true,
+    ".coverage": true,
+    "htmlcov": true
+  },
+  "[python]": {
+    "editor.defaultFormatter": "ms-python.black-formatter",
+    "editor.formatOnSave": true,
+    "editor.codeActionsOnSave": {
+      "source.organizeImports": "explicit"
+    }
+  },
+  "python.testing.pytestEnabled": true,
+  "python.testing.unittestEnabled": false,
+  "python.testing.pytestArgs": [
+    "tests"
+  ],
+  "python.analysis.typeCheckingMode": "basic",
+  "python.analysis.autoImportCompletions": true,
+  "python.analysis.extraPaths": [
+    "./custom_components"
+  ]
+}
diff --git a/DEVELOPMENT_SETUP.md b/DEVELOPMENT_SETUP.md
new file mode 100644
index 0000000..61a802c
--- /dev/null
+++ b/DEVELOPMENT_SETUP.md
@@ -0,0 +1,381 @@
+# SunPower Integration Development Setup
+
+This guide will help you set up a complete development environment
+for the SunPower Home Assistant integration, including debugging capabilities and import stepping.
+
+## 🏗️ **Project Overview**
+
+This is a **Home Assistant custom integration** for monitoring SunPower
+solar systems via local PVS (Photovoltaic Supervisor) interface. The
+integration provides real-time data for:
+
+- Solar panel production (per-panel data)
+- Power consumption and grid interaction
+- Battery storage systems (SunVault)
+- System health and diagnostics
+
+## 📋 **Prerequisites**
+
+- **Python 3.12+** (tested with 3.12.11, 3.13.5)
+- **VS Code** (recommended) or PyCharm
+- **Git** for version control
+- Access to a **SunPower PVS system** (for testing)
+
+## 🚀 **Quick Setup**
+
+### 1. **Clone and Enter Project**
+
+```bash
+cd /path/to/your/projects
+git clone https://github.com/krbaker/hass-sunpower.git
+cd hass-sunpower
+```
+
+### 3. **Configure Environment**
+
+```bash
+cp env.example .env
+# Edit .env with your PVS IP address
+```
+
+## 🔧 **VS Code Setup**
+
+The project includes pre-configured VS Code settings for optimal development.
+The devcontainer should setup all of the following:
+
+### **Python Virtual Environment (DEVCONTAINER DOES THIS FOR YOU)**
+
+```bash
+python3 -m venv venv
+source venv/bin/activate  # On Windows: venv\Scripts\activate
+```
+
+### 3. **Install Dependencies (DEVCONTAINER DOES THIS FOR YOU)**
+
+```bash
+pip install --upgrade pip
+pip install -r requirements-dev.txt
+```
+
+### 2. **Setup Pre-commit Hooks (DEVCONTAINER DOES THIS FOR YOU)**
+
+```bash
+pre-commit install
+```
+
+### **Extensions:**
+
+- Python (ms-python.python)
+- Pylance (ms-python.vscode-pylance)
+- Black Formatter (ms-python.black-formatter)
+- isort (ms-python.isort)
+- flake8 (ms-python.flake8)
+- GitLens (eamodio.gitlens)
+
+### **Key Features Configured:**
+
+- ✅ **Auto-formatting** with Black (line length 99)
+- ✅ **Import sorting** with isort
+- ✅ **Linting** with Flake8
+- ✅ **Type checking** with Pylance
+- ✅ **Auto-save formatting**
+- ✅ **Debugging configurations**
+
+## 🐛 **Debugging Setup**
+
+### **Debug Configurations Available:**
+
+1. **Debug SunPower Integration** - Test core functionality (no HA required)
+2. **Test with Sample Data** - Test integration logic with sample data
+3. **Debug HA Integration** - Test Home Assistant coordinator setup
+4. **Debug SunPower API Client** - Test just the API client
+5. **Debug Current File** - Debug any Python file
+6. **Run Tests** - Debug test cases
+
+### **Setting Breakpoints:**
+
+1. **Open any Python file** in the integration
+2. **Click in the gutter** (left of line numbers) to set breakpoints
+3. **Press F5** or use Debug menu to start debugging
+4. **Step through code** with F10 (step over), F11 (step into)
+
+### **Debug Scripts:**
+
+#### **Test API Connection:**
+
+```bash
+# Set your PVS IP
+export PVS_HOST=192.168.1.100  # Replace with your PVS IP
+python test_api.py
+```
+
+Example Output
+
+```bash
+➜  hass-sunpower git:(main) ✗ ./venv/bin/python3 test_api.py
+Testing SunPower API connection to young-ave.dynamic-dns.net:8081
+--------------------------------------------------
+1. Testing network status...
+✅ Network status successful
+{'networkstatus': {'interfaces': [{'interface': 'wan',
+                                   'internet': 'down',
+                                   'ipaddr': '',
+                                   'link': 'disconnected',
+                                   'mode': 'wan',
+                                   'sms': 'unreachable',
+                                   'state': 'down'},
+                                  {'interface': 'plc',
+                                   'internet': 'down',
+                                   'ipaddr': '',
+                                   'link': 'disconnected',
+                                   'pairing': 'unpaired',
+                                   'sms': 'unreachable',
+                                   'speed': 0,
+                                   'state': 'down'},
+                                  {'interface': 'sta0',
+                                   'internet': 'up',
+                                   'ipaddr': '192.168.1.25',
+                                   'signal': '-80',
+                                   'sms': 'reachable',
+                                   'ssid': "XYZ's Network",
+                                   'status': 'connected'},
+                                  {'interface': 'cell',
+                                   'internet': 'down',
+                                   'ipaddr': '',
+                                   'is_alwayson': False,
+                                   'is_primary': False,
+                                   'link': 'disconnected',
+                                   'modem': 'MODEM_OK',
+                                   'provider': 'UNKNOWN',
+                                   'signal': 0,
+                                   'sim': 'SIM_READY',
+                                   'sms': 'unreachable',
+                                   'state': 'DOWN',
+                                   'status': 'NOT_REGISTERED'}],
+                   'system': {'interface': 'sta0',
+                              'interface_name': 'sta0',
+                              'internet': 'up',
+                              'sms': 'reachable'},
+                   'ts': '1756569304'},
+ 'result': 'succeed'}
+
+2. Testing device list...
+✅ Device list successful
+Found 30 devices
+Device breakdown:
+  - PVS: 1
+  - Power Meter: 2
+  - Inverter: 27
+
+3. Testing energy storage system status...
+✅ ESS status successful
+{'result': 'Make sure you have run discovery to successful completion'}
+```
+
+#### **Test with Sample Data (No PVS Required):**
+
+```bash
+python test_with_sample_data.py
+```
+
+#### **Debug Integration Logic:**
+
+```bash
+export PVS_HOST=192.168.1.100
+python debug_runner.py
+```
+
+#### **Test Home Assistant Integration:**
+
+```bash
+export PVS_HOST=192.168.1.100
+python test_ha_integration.py
+```
+
+## 🧪 **Testing**
+
+### **Run All Tests:**
+
+```bash
+pytest tests/ -v
+```
+
+### **Run Specific Test:**
+
+```bash
+pytest tests/test_sunpower_api.py::TestSunPowerMonitor::test_init -v
+```
+
+### **Run Tests with Coverage:**
+
+```bash
+pytest tests/ --cov=custom_components/sunpower --cov-report=html
+```
+
+## 🔍 **Code Quality Tools**
+
+### **Manual Code Checks:**
+
+```bash
+# Format code
+black custom_components/ tests/ *.py
+
+# Sort imports
+isort custom_components/ tests/ *.py
+
+# Lint code
+flake8 custom_components/ tests/ *.py
+
+# Type checking
+mypy custom_components/sunpower/
+```
+
+### **Pre-commit (Automatic):**
+
+Code quality checks run automatically on commit. To run manually:
+
+```bash
+pre-commit run --all-files
+```
+
+## 📁 **Key Files for Development**
+
+### **Core Integration Files:**
+
+- `custom_components/sunpower/__init__.py` - Integration entry point
+- `custom_components/sunpower/sunpower.py` - API client
+- `custom_components/sunpower/const.py` - Constants and sensor definitions
+- `custom_components/sunpower/config_flow.py` - UI configuration
+- `custom_components/sunpower/sensor.py` - Sensor entities
+- `custom_components/sunpower/entity.py` - Base entity class
+
+### **Development Files:**
+
+- `test_api.py` - Test PVS API connection
+- `debug_runner.py` - Debug full integration
+- `requirements-dev.txt` - Development dependencies
+- `.vscode/launch.json` - Debug configurations
+- `tests/` - Test suite
+
+## 🌐 **Network Setup for Testing**
+
+The integration connects to the PVS management interface:
+
+### **Common PVS IP Addresses:**
+
+- **NAT setup**: `172.27.153.1` (most common)
+- **Direct connection**: Your PVS's actual IP
+- **Router assignment**: Check your router's DHCP clients
+
+### **Testing Connectivity:**
+
+```bash
+# Test if PVS is reachable
+curl "http://172.27.153.1/cgi-bin/dl_cgi?Command=Get_Comm"
+
+# Or use our test script
+export PVS_HOST=172.27.153.1
+python test_api.py
+```
+
+## 🚨 **Important Notes**
+
+### **PVS Management Interface:**
+
+- ⚠️ **DO NOT** plug the PVS management port directly into your LAN
+- It runs its own DHCP server and will cause network issues
+- Use a separate network interface or NAT setup
+
+### **Development Safety:**
+
+- Use longer polling intervals (120s+) to avoid overwhelming the PVS
+- The PVS API is slow and can timeout - be patient
+- Monitor PVS logs for any issues during development
+
+## 🔧 **Stepping Through Imports**
+
+### **Debug Import Issues:**
+
+1. **Set breakpoint** in `__init__.py` at the import statements
+2. **Start debug session** "Debug SunPower Integration"
+3. **Step through** (F11) each import to see what's loaded
+4. **Check sys.path** in debug console: `sys.path`
+5. **Verify module loading** in debug console: `import custom_components.sunpower.const`
+
+### **Import Path Configuration:**
+
+```python
+# VS Code settings already include:
+"python.analysis.extraPaths": ["./custom_components"]
+
+# Debug scripts add:
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'custom_components'))
+```
+
+## 📝 **Common Development Tasks**
+
+### **Adding a New Sensor:**
+
+1. **Add sensor definition** in `const.py`
+2. **Test data availability** in sample JSON
+3. **Add unit tests** in `tests/`
+4. **Test with real PVS** using debug scripts
+
+### **Debugging Connection Issues:**
+
+1. **Check network connectivity**: `python test_api.py`
+2. **Verify PVS responds**: `curl http://<IP>/cgi-bin/dl_cgi?Command=Get_Comm`
+3. **Debug data parsing**: Set breakpoints in `sunpower_fetch()`
+4. **Check coordinator updates**: Debug in `async_update_data()`
+
+### **Adding Multi-Account Support:**
+
+The integration supports multiple PVS systems:
+
+1. **Use unique names** in config flow
+2. **Test entry_id isolation** in debug scripts
+3. **Verify device/entity separation** in Home Assistant
+
+## 🆘 **Troubleshooting**
+
+### **Import Errors:**
+
+```bash
+# Check Python path
+python -c "import sys; print('\n'.join(sys.path))"
+
+# Verify module structure
+find custom_components/ -name "*.py" | head -10
+```
+
+### **VS Code Issues:**
+
+- **Restart Python interpreter**: Cmd+Shift+P → "Python: Restart Language Server"
+- **Check interpreter**: Cmd+Shift+P → "Python: Select Interpreter" → Choose `./venv/bin/python`
+- **Reload window**: Cmd+Shift+P → "Developer: Reload Window"
+
+### **Debug Not Working:**
+
+1. **Check .env file** exists with PVS_HOST
+2. **Verify PVS connectivity** with `test_api.py`
+3. **Check Python interpreter** points to `./venv/bin/python`
+4. **Look at debug console** for error messages
+
+## 🎯 **Next Steps**
+
+1. **Test with your PVS**: Update `.env` with your PVS IP
+2. **Run debug script**: `python debug_runner.py`
+3. **Set breakpoints**: Try debugging the data flow
+4. **Add tests**: Create tests for any new features
+5. **Submit PRs**: Follow the project's contribution guidelines
+
+---
+
+## 📚 **Additional Resources**
+
+- **Home Assistant Developer Docs**: <https://developers.home-assistant.io/>
+- **SunPower Integration Issues**: <https://github.com/krbaker/hass-sunpower/issues>
+- **Home Assistant Discord**: #devs_custom_components
+- **Python Debugging Guide**: <https://docs.python.org/3/library/pdb.html>
+
+Happy coding! 🚀
diff --git a/custom_components/sunpower/sunpower.py b/custom_components/sunpower/sunpower.py
index 7db42bc..9fb5a6a 100644
--- a/custom_components/sunpower/sunpower.py
+++ b/custom_components/sunpower/sunpower.py
@@ -1,4 +1,4 @@
-""" Basic Sunpower PVS Tool """
+"""Basic Sunpower PVS Tool"""
 
 import requests
 import simplejson
@@ -25,12 +25,13 @@ def __init__(self, host):
 
     def generic_command(self, command):
         """All 'commands' to the PVS module use this url pattern and return json
-        The PVS system can take a very long time to respond so timeout is at 2 minutes"""
+        The PVS system can take a very long time to respond so timeout is at 2 minutes
+        """
         try:
             return requests.get(self.command_url + command, timeout=120).json()
         except requests.exceptions.RequestException as error:
             raise ConnectionException from error
-        except simplejson.errors.JSONDecodeError as error:
+        except simplejson.JSONDecodeError as error:
             raise ParseException from error
 
     def device_list(self):
@@ -41,12 +42,14 @@ def energy_storage_system_status(self):
         """Get the status of the energy storage system"""
         try:
             return requests.get(
-                "http://{0}/cgi-bin/dl_cgi/energy-storage-system/status".format(self.host),
+                "http://{0}/cgi-bin/dl_cgi/energy-storage-system/status".format(
+                    self.host,
+                ),
                 timeout=120,
             ).json()
         except requests.exceptions.RequestException as error:
             raise ConnectionException from error
-        except simplejson.errors.JSONDecodeError as error:
+        except simplejson.JSONDecodeError as error:
             raise ParseException from error
 
     def network_status(self):
diff --git a/env.example b/env.example
new file mode 100644
index 0000000..7f502d2
--- /dev/null
+++ b/env.example
@@ -0,0 +1,18 @@
+# SunPower PVS Configuration
+# Copy this file to .env and update with your settings
+
+# PVS Host IP Address
+# This is typically 172.27.153.1 for NAT setup or your PVS's actual IP
+PVS_HOST=172.27.153.1
+
+# Optional: Custom name for your installation
+PVS_NAME="My Solar System"
+
+# Debug logging level (DEBUG, INFO, WARNING, ERROR)
+LOG_LEVEL=DEBUG
+
+# Home Assistant configuration (if testing with HA)
+HA_CONFIG_DIR=/config
+
+# Test configuration
+PYTEST_TIMEOUT=120
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..39ddb75
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,8 @@
+[pytest]
+
+markers =
+  pvs: Tests that work directly against a pvs to verify its working correctly (not if PVS env == MOCK this will test the Mock)
+  hass: Tests that validate home assistant functionality
+
+env =
+  PVS=MOCK
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..1b84d43
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,24 @@
+
+# Development dependencies
+black>=24.3.0
+flake8>=7.0.0
+flake8-bugbear>=24.2.6
+flake8-pytest>=1.4
+flake8-quotes>=3.4.0
+# Core dependencies
+homeassistant>=2025.1.0
+isort>=5.13.2
+
+# Type checking
+mypy>=1.0.0
+pre-commit>=3.0.0
+
+# Testing
+pytest>=7.0.0
+pytest-cov
+pytest-env
+pytest-homeassistant-custom-component
+pythonping
+requests
+simplejson
+types-requests
diff --git a/samples/device_list.json b/samples/device_list.json
deleted file mode 100644
index c249cd6..0000000
--- a/samples/device_list.json
+++ /dev/null
@@ -1,728 +0,0 @@
-{
- "devices": [{
-   "DETAIL": "detail",
-   "STATE": "working",
-   "STATEDESCR": "Working",
-   "SERIAL": "ZT204485000549A0321",
-   "MODEL": "PV Supervisor PVS6",
-   "HWVER": "6.02",
-   "SWVER": "2024.2, Build 61640",
-   "DEVICE_TYPE": "PVS",
-   "DATATIME": "2024,04,16,23,45,00",
-   "dl_err_count": "0",
-   "dl_comm_err": "400",
-   "dl_skipped_scans": "0",
-   "dl_scan_time": "1",
-   "dl_untransmitted": "2487",
-   "dl_uptime": "99696",
-   "dl_cpu_load": "0.33",
-   "dl_mem_used": "86920",
-   "dl_flash_avail": "104808",
-   "panid": 3276331684,
-   "CURTIME": "2024,04,16,23,46,10"
-  }, {
-   "ISDETAIL": true,
-   "SERIAL": "PVS6M20440321p",
-   "TYPE": "PVS5-METER-P",
-   "STATE": "working",
-   "STATEDESCR": "Working",
-   "MODEL": "PVS6M0400p",
-   "DESCR": "Power Meter PVS6M20440321p",
-   "DEVICE_TYPE": "Power Meter",
-   "interface": "mime",
-   "production_subtype_enum": "GROSS_PRODUCTION_SITE",
-   "subtype": "GROSS_PRODUCTION_SITE",
-   "SWVER": "3000",
-   "PORT": "",
-   "DATATIME": "2024,04,16,23,46,10",
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-   "vln_3phavg_v": "243.74",
-   "i_3phsum_a": "0",
-   "p_mppt1_kw": "0.0009",
-   "v_mppt1_v": "21.96",
-   "i_mppt1_a": "0.04",
-   "t_htsnk_degc": "18",
-   "freq_hz": "60.01",
-   "stat_ind": "0",
-   "origin": "data_logger",
-   "OPERATION": "noop",
-   "CURTIME": "2024,04,16,23,46,14"
-  }, {
-   "ISDETAIL": true,
-   "SERIAL": "E00202040019099",
-   "TYPE": "SOLARBRIDGE",
-   "STATE": "error",
-   "STATEDESCR": "Error",
-   "MODEL": "AC_Module_Type_E",
-   "DESCR": "Inverter E00202040019099",
-   "DEVICE_TYPE": "Inverter",
-   "hw_version": "4405",
-   "interface": "mime",
-   "module_serial": "",
-   "PANEL": "SPR-X22-360-E-AC",
-   "slave": 0,
-   "SWVER": "4.40.1",
-   "PORT": "",
-   "MOD_SN": "",
-   "NMPLT_SKU": "",
-   "DATATIME": "2024,04,16,23,27,43",
-   "ltea_3phsum_kwh": "1432.2282",
-   "p_3phsum_kw": "0",
-   "vln_3phavg_v": "243.68",
-   "i_3phsum_a": "0",
-   "p_mppt1_kw": "0.0006",
-   "v_mppt1_v": "21.97",
-   "i_mppt1_a": "0.02",
-   "t_htsnk_degc": "18",
-   "freq_hz": "60.01",
-   "stat_ind": "0",
-   "origin": "data_logger",
-   "OPERATION": "noop",
-   "CURTIME": "2024,04,16,23,46,14"
-  }, {
-   "ISDETAIL": true,
-   "SERIAL": "E00202040020435",
-   "TYPE": "SOLARBRIDGE",
-   "STATE": "error",
-   "STATEDESCR": "Error",
-   "MODEL": "AC_Module_Type_E",
-   "DESCR": "Inverter E00202040020435",
-   "DEVICE_TYPE": "Inverter",
-   "hw_version": "4405",
-   "interface": "mime",
-   "module_serial": "",
-   "PANEL": "SPR-X22-360-E-AC",
-   "slave": 0,
-   "SWVER": "4.40.1",
-   "PORT": "",
-   "MOD_SN": "",
-   "NMPLT_SKU": "",
-   "DATATIME": "2024,04,16,23,27,43",
-   "ltea_3phsum_kwh": "1427.6486",
-   "p_3phsum_kw": "0",
-   "vln_3phavg_v": "243.2",
-   "i_3phsum_a": "0",
-   "p_mppt1_kw": "0.0008",
-   "v_mppt1_v": "21.97",
-   "i_mppt1_a": "0.03",
-   "t_htsnk_degc": "17",
-   "freq_hz": "60.01",
-   "stat_ind": "0",
-   "origin": "data_logger",
-   "OPERATION": "noop",
-   "CURTIME": "2024,04,16,23,46,15"
-  }, {
-   "ISDETAIL": true,
-   "SERIAL": "E00202040020589",
-   "TYPE": "SOLARBRIDGE",
-   "STATE": "error",
-   "STATEDESCR": "Error",
-   "MODEL": "AC_Module_Type_E",
-   "DESCR": "Inverter E00202040020589",
-   "DEVICE_TYPE": "Inverter",
-   "hw_version": "4405",
-   "interface": "mime",
-   "module_serial": "",
-   "PANEL": "SPR-X22-360-E-AC",
-   "slave": 0,
-   "SWVER": "4.40.1",
-   "PORT": "",
-   "MOD_SN": "",
-   "NMPLT_SKU": "",
-   "DATATIME": "2024,04,16,23,27,43",
-   "ltea_3phsum_kwh": "1293.9053",
-   "p_3phsum_kw": "0",
-   "vln_3phavg_v": "243.65",
-   "i_3phsum_a": "0",
-   "p_mppt1_kw": "0.0003",
-   "v_mppt1_v": "21.95",
-   "i_mppt1_a": "0.01",
-   "t_htsnk_degc": "16",
-   "freq_hz": "60.01",
-   "stat_ind": "0",
-   "origin": "data_logger",
-   "OPERATION": "noop",
-   "CURTIME": "2024,04,16,23,46,15"
-  }, {
-   "ISDETAIL": true,
-   "SERIAL": "E00202040020677",
-   "TYPE": "SOLARBRIDGE",
-   "STATE": "error",
-   "STATEDESCR": "Error",
-   "MODEL": "AC_Module_Type_E",
-   "DESCR": "Inverter E00202040020677",
-   "DEVICE_TYPE": "Inverter",
-   "hw_version": "4405",
-   "interface": "mime",
-   "module_serial": "",
-   "PANEL": "SPR-X22-360-E-AC",
-   "slave": 0,
-   "SWVER": "4.40.1",
-   "PORT": "",
-   "MOD_SN": "",
-   "NMPLT_SKU": "",
-   "DATATIME": "2024,04,16,23,27,43",
-   "ltea_3phsum_kwh": "970.7499",
-   "p_3phsum_kw": "0",
-   "vln_3phavg_v": "243.16",
-   "i_3phsum_a": "0",
-   "p_mppt1_kw": "0.0006",
-   "v_mppt1_v": "21.98",
-   "i_mppt1_a": "0.02",
-   "t_htsnk_degc": "14",
-   "freq_hz": "60.01",
-   "stat_ind": "0",
-   "origin": "data_logger",
-   "OPERATION": "noop",
-   "CURTIME": "2024,04,16,23,46,15"
-  }],
- "result": "succeed"
-}
diff --git a/tests/DEBUG_TOOLS_GUIDE.md b/tests/DEBUG_TOOLS_GUIDE.md
new file mode 100644
index 0000000..8a99ad5
--- /dev/null
+++ b/tests/DEBUG_TOOLS_GUIDE.md
@@ -0,0 +1,308 @@
+# SunPower Integration Debug Tools Guide
+
+This document explains all the debug tools available for
+developing and testing the SunPower Home Assistant integration.
+
+## 🛠️ **Available Debug Tools**
+
+### **1. `test_api.py` - API Client Testing**
+
+**Purpose**: Test direct communication with PVS hardware
+**Use When**: You want to verify PVS connectivity and API responses
+
+```bash
+export PVS_HOST=192.168.1.100  # Your PVS IP
+python test_api.py
+```
+
+**What it tests**:
+
+- ✅ Network connectivity to PVS
+- ✅ Basic API commands (network status, device list)
+- ✅ ESS functionality (if available)
+- ✅ Error handling and timeouts
+
+**Example Output**:
+
+```console
+Testing SunPower API connection to 192.168.1.100
+--------------------------------------------------
+1. Testing network status...
+✅ Network status successful
+2. Testing device list...
+✅ Device list successful
+Found 30 devices
+```
+
+---
+
+### **2. `test_with_sample_data.py` - Integration Logic Testing**
+
+**Purpose**: Test integration logic without requiring real PVS hardware
+**Use When**: You want to verify data processing, sensor mapping, and core logic
+
+```bash
+python test_with_sample_data.py
+```
+
+**What it tests**:
+
+- ✅ Data conversion from PVS format to HA format
+- ✅ Sensor field compatibility (which sensors will work)
+- ✅ Virtual meter creation
+- ✅ Device type processing
+- ✅ Integration consistency
+
+**Example Output**:
+
+```console
+🧪 Testing SunPower Integration with Sample Data
+✅ Data conversion successful
+📊 Device types found: ['PVS', 'Power Meter', 'Inverter']
+Sensor field compatibility:
+  - PVS: 9/9 fields available (100.0%)
+  - Power Meter: 8/16 fields available (50.0%)
+```
+
+---
+
+### **3. `debug_runner.py` - Core Functionality Testing**
+
+**Purpose**: Test core integration functionality with real PVS data
+**Use When**: You want to test the integration logic with real PVS responses
+
+```bash
+export PVS_HOST=192.168.1.100
+python debug_runner.py
+```
+
+**What it tests**:
+
+- ✅ API client functionality
+- ✅ Data conversion and processing
+- ✅ Core integration functions
+- ✅ Data fetch mechanisms
+- ✅ Error handling and recovery
+
+**Example Output**:
+
+```console
+🔧 Starting SunPower Integration Debug
+1. Testing SunPower API client...
+✅ PVS connectivity successful
+2. Testing data processing...
+3. Testing data fetch function...
+✅ Data fetch function successful
+```
+
+---
+
+### **4. `test_ha_integration.py` - Home Assistant Compatibility**
+
+**Purpose**: Test Home Assistant specific functionality (coordinators, etc.)
+**Use When**: You want to verify HA integration components work correctly
+
+```bash
+export PVS_HOST=192.168.1.100
+python test_ha_integration.py
+```
+
+**What it tests**:
+
+- ✅ DataUpdateCoordinator creation
+- ✅ Home Assistant mock compatibility
+- ✅ Integration data flow
+- ✅ HA-specific error handling
+
+---
+
+### **5. `pytest tests/` - Unit Testing**
+
+**Purpose**: Run automated unit tests
+**Use When**: You want to verify code changes don't break existing functionality
+
+```bash
+pytest tests/ -v
+```
+
+**What it tests**:
+
+- ✅ API client unit tests
+- ✅ Mock response handling
+- ✅ Error condition testing
+- ✅ Edge case validation
+
+---
+
+## 🎯 **Testing Workflow Recommendations**
+
+### **For New Development**
+
+1. **Start with**: `test_with_sample_data.py` (no hardware needed)
+2. **Then test**: `debug_runner.py` (with real PVS)
+3. **Finally verify**: `pytest tests/` (automated validation)
+
+### **For Bug Investigation**
+
+1. **Check connectivity**: `test_api.py`
+2. **Verify logic**: `debug_runner.py`
+3. **Test HA integration**: `test_ha_integration.py`
+
+### **For Performance Testing**
+
+1. **Use**: `debug_runner.py` with different update intervals
+2. **Monitor**: PVS response times and error rates
+3. **Validate**: Sample data processing speed
+
+---
+
+## 🐛 **VS Code Debug Configurations**
+
+All scripts are available as VS Code debug configurations:
+
+| Configuration Name | Script | Purpose |
+|-------------------|---------|---------|
+| **Test with Sample Data** | `test_with_sample_data.py` | Test logic without hardware |
+| **Debug SunPower Integration** | `debug_runner.py` | Test with real PVS |
+| **Debug HA Integration** | `test_ha_integration.py` | Test HA compatibility |
+| **Debug SunPower API Client** | `test_api.py` | Test API connectivity |
+
+**To use**:
+
+1. Press `F5` in VS Code
+2. Select desired configuration
+3. Set breakpoints anywhere in the code
+4. Step through imports and execution
+
+---
+
+## 🔍 **Debugging Import Issues**
+
+### **Step Through Import Resolution**
+
+1. Set breakpoint at top of any integration file
+2. Use "Debug SunPower Integration" configuration
+3. Step into (`F11`) import statements
+4. Watch variables panel for `sys.path` and module loading
+
+### **Check Python Path**
+
+```python
+# In debug console:
+import sys
+print('\n'.join(sys.path))
+```
+
+### **Verify Module Loading**
+
+```python
+# In debug console:
+import custom_components.sunpower.const as const
+print(dir(const))
+```
+
+---
+
+## 📊 **Output Interpretation**
+
+### **Success Indicators**
+
+- ✅ Green checkmarks
+- 📊 Data statistics (device counts, field availability)
+- 📈 Performance metrics
+- 🎉 Completion messages
+
+### **Warning Indicators**
+
+- ⚠️ Yellow warnings (expected issues)
+- ℹ️ Informational messages
+- 💡 Helpful suggestions
+
+### **Error Indicators**
+
+- ❌ Red X marks
+- 🔍 Troubleshooting sections
+- Detailed error tracebacks
+
+---
+
+## 🔧 **Troubleshooting Common Issues**
+
+### **"No module named 'sunpower'"**
+
+- Check Python path configuration
+- Verify VS Code interpreter points to `./venv/bin/python`
+- Restart VS Code language server
+
+### **Connection Timeouts**
+
+- Verify PVS IP address in `PVS_HOST`
+- Check network connectivity: `curl http://<IP>/cgi-bin/dl_cgi?Command=Get_Comm`
+- Try different timeout values
+
+### **Import Errors in Debug**
+
+- Use "Test with Sample Data" first (no external dependencies)
+- Check that virtual environment is activated
+- Verify all dependencies installed: `pip install -r requirements-dev.txt`
+
+---
+
+## 🚀 **Advanced Debugging Techniques**
+
+### **Custom Data Testing**
+
+1. Modify `samples/device_list.json` with your PVS data
+2. Run `test_with_sample_data.py` to validate compatibility
+3. Test edge cases with missing or malformed data
+
+### **Performance Profiling**
+
+```bash
+python -m cProfile -o profile_stats debug_runner.py
+```
+
+### **Memory Usage Monitoring**
+
+```python
+# Add to debug scripts:
+import tracemalloc
+tracemalloc.start()
+# ... run tests ...
+current, peak = tracemalloc.get_traced_memory()
+print(f"Memory: {current / 1024 / 1024:.1f} MB")
+```
+
+---
+
+## 📚 **Integration with Development Workflow**
+
+### **Before Committing Code**
+
+```bash
+# 1. Run all tests
+pytest tests/ -v
+
+# 2. Test with sample data
+python test_with_sample_data.py
+
+# 3. Format code (automatic with pre-commit)
+black custom_components/ tests/ *.py
+```
+
+### **Before Releasing**
+
+```bash
+# 1. Test with real PVS
+export PVS_HOST=your.pvs.ip
+python debug_runner.py
+
+# 2. Test HA integration
+python test_ha_integration.py
+
+# 3. Run full test suite
+pytest tests/ --cov=custom_components/sunpower
+```
+
+This comprehensive debug tool suite ensures you can develop, test, and
+debug the SunPower integration efficiently at every stage of development.
diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 0000000..852e012
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,150 @@
+# SunPower Integration Testing Suite
+
+This directory contains comprehensive testing tools
+and documentation for the SunPower Home Assistant
+integration.
+
+## 📁 **Tests Directory Structure**
+
+```console
+tests/
+├── samples/
+│   └── device_list.json          # Sample PVS data for testing
+│   └── DEBUG_TOOLS_GUIDE.md      # Detailed debug tools documentation
+├── test_api.py                   # Test PVS API connectivity
+├── test_with_sample_data.py      # Test integration logic (no hardware)
+├── debug_runner.py               # Test core functionality
+├── test_ha_integration.py        # Test Home Assistant compatibility
+└── README.md                     # This file
+```
+
+## 🚀 **Quick Start**
+
+### **Test Without Hardware** (Recommended first step)
+
+```bash
+cd testing
+python test_with_sample_data.py
+```
+
+### **Test With Your PVS**
+
+```bash
+cd testing
+export PVS_HOST=192.168.1.100  # Your PVS IP
+python test_api.py
+python debug_runner.py
+```
+
+## 🛠️ **Testing Tools**
+
+| Script | Purpose | Requires PVS |
+|--------|---------|-------------|
+| **`test_with_sample_data.py`** | Validate integration logic with sample data | ❌ |
+| **`test_api.py`** | Test PVS connectivity and API responses | ✅ |
+| **`debug_runner.py`** | Test core integration functionality | ✅ |
+| **`test_ha_integration.py`** | Test Home Assistant compatibility | ✅ |
+
+## 🔧 **VS Code Integration**
+
+All test scripts are configured as VS Code debug targets:
+
+1. **Open** the main project directory in VS Code
+2. **Press F5** to see debug configurations
+3. **Select** your desired test script
+4. **Set breakpoints** and debug through the code
+
+## 📊 **Sample Data**
+
+The `samples/device_list.json` contains real PVS API response data for testing:
+
+- **1 PVS** (Photovoltaic Supervisor)
+- **3 Power Meters** (including 1 virtual meter)
+- **20 Inverters** (solar panel micro-inverters)
+
+This allows complete testing of the integration logic without needing physical hardware.
+
+## 📚 **Documentation**
+
+### **`docs/DEVELOPMENT_SETUP.md`**
+
+Complete guide for setting up the development environment including:
+
+- Python environment setup
+- VS Code configuration
+- Debugging setup
+- Network configuration
+
+### **`docs/DEBUG_TOOLS_GUIDE.md`**
+
+Detailed documentation for all debug tools including:
+
+- Purpose and usage of each script
+- Expected output examples
+- Troubleshooting common issues
+- Advanced debugging techniques
+
+## 🎯 **Development Workflow**
+
+### **For New Features**
+
+1. **Start**: `python test_with_sample_data.py` (validate logic)
+2. **Test**: `python debug_runner.py` (test with real PVS)
+3. **Verify**: `python test_ha_integration.py` (HA compatibility)
+
+### **For Bug Fixes**
+
+1. **Isolate**: `python test_api.py` (check connectivity)
+2. **Debug**: Set breakpoints in VS Code and step through
+3. **Validate**: Run all tests to ensure fix doesn't break anything
+
+### **Before Committing**
+
+```bash
+# From project root
+pytest tests/ -v                    # Unit tests
+cd testing
+python test_with_sample_data.py     # Integration logic test
+```
+
+## 🆘 **Troubleshooting**
+
+### **Import Errors**
+
+- Ensure you're running from the `testing/` directory
+- Check that virtual environment is activated
+- Verify Python path includes `custom_components`
+
+### **PVS Connection Issues**
+
+- Set `PVS_HOST` environment variable
+- Test connectivity: `curl http://$PVS_HOST/cgi-bin/dl_cgi?Command=Get_Comm`
+- Check network configuration (see development setup guide)
+
+### **VS Code Debug Issues**
+
+- Ensure Python interpreter points to `../venv/bin/python`
+- Restart VS Code language server if needed
+- Check that debug configurations point to correct file paths
+
+## 📈 **Adding New Tests**
+
+When adding new test functionality:
+
+1. **Follow naming convention**: `test_*.py`
+2. **Add VS Code debug config** in `../.vscode/launch.json`
+3. **Update documentation** in `docs/DEBUG_TOOLS_GUIDE.md`
+4. **Include error handling** and helpful output messages
+
+## 🔗 **Related Files**
+
+- **Unit Tests**: `../tests/` (pytest-based unit tests)
+- **VS Code Config**: `../.vscode/` (debug configurations, settings)
+- **Integration Code**: `../custom_components/sunpower/` (main integration)
+- **Requirements**: `../requirements-dev.txt` (development dependencies)
+
+---
+
+For complete setup instructions, see [`docs/DEVELOPMENT_SETUP.md`](docs/DEVELOPMENT_SETUP.md).
+
+For detailed tool documentation, see [`docs/DEBUG_TOOLS_GUIDE.md`](docs/DEBUG_TOOLS_GUIDE.md).
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..f019047
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1 @@
+# Tests for SunPower Home Assistant Integration
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..dfc5537
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,43 @@
+import json
+import os
+import sys
+
+import pytest
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "custom_components"))
+
+import sunpower  # noqa: E402
+
+DEVICE_LIST_SAMPLE = os.path.join(
+    os.path.dirname(__file__),
+    "samples",
+    "ess_device_list.json",
+)
+DEVICE_LIST_JSON = json.load(open(DEVICE_LIST_SAMPLE))
+ESS_STATUS_SAMPLE = os.path.join(
+    os.path.dirname(__file__),
+    "samples",
+    "ess_status.json",
+)
+ESS_STATUS_JSON = json.load(open(ESS_STATUS_SAMPLE))
+
+
+@pytest.fixture()
+def sunpowermonitor(mocker):
+    """SunPower Monitor fixture."""
+    if os.getenv("PVS") == "MOCK":
+        monitor = sunpower.SunPowerMonitor(None)
+        mocker.patch.object(monitor, "device_list", return_value=DEVICE_LIST_JSON)
+        mocker.patch.object(
+            monitor,
+            "energy_storage_system_status",
+            return_value=ESS_STATUS_JSON,
+        )
+        mocker.patch.object(monitor, "network_status", return_value="Something")
+        yield monitor
+        return
+    elif os.getenv("PVS"):
+        monitor = sunpower.SunPowerMonitor(os.getenv("PVS"))
+        yield monitor
+    else:
+        raise Exception("PVS environment variable not set")
diff --git a/tests/debug_runner.py b/tests/debug_runner.py
new file mode 100755
index 0000000..94e1c35
--- /dev/null
+++ b/tests/debug_runner.py
@@ -0,0 +1,120 @@
+#!/usr/bin/env python3
+"""
+Debug runner for the SunPower integration.
+This script simulates how Home Assistant would load and run the integration.
+"""
+
+import asyncio
+import logging
+import os
+import sys
+
+# Add the custom_components directory to Python path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "custom_components"))
+
+from sunpower import (  # noqa: E402
+    convert_sunpower_data,
+    sunpower_fetch,
+)
+from sunpower.sunpower import SunPowerMonitor  # noqa: E402
+
+# Set up logging
+logging.basicConfig(
+    level=logging.DEBUG,
+    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+)
+logger = logging.getLogger(__name__)
+
+
+async def debug_integration():
+    """Debug the SunPower integration."""
+    host = os.getenv("PVS_HOST", "172.27.153.1")
+
+    print("🔧 Starting SunPower Integration Debug")
+    print(f"📡 PVS Host: {host}")
+    print("-" * 50)
+
+    try:
+        print("1. Testing SunPower API client...")
+        monitor = SunPowerMonitor(host)
+
+        # Test basic connectivity
+        network_status = monitor.network_status()
+        print("✅ PVS connectivity successful")
+        interface_count = len(
+            network_status.get("networkstatus", {}).get("interfaces", []),
+        )
+        print(f"📊 Network interfaces found: {interface_count}")
+
+        # Test data fetching
+        device_data = monitor.device_list()
+        print(f"✅ Retrieved {len(device_data.get('devices', []))} devices")
+
+        # Test data conversion
+        converted_data = convert_sunpower_data(device_data)
+        print("✅ Data conversion successful")
+        print(f"📊 Device types found: {list(converted_data.keys())}")
+
+        print("\n2. Testing data processing...")
+
+        # Show device breakdown
+        for device_type, devices in converted_data.items():
+            print(f"  - {device_type}: {len(devices)} devices")
+            if devices:
+                sample_device = next(iter(devices.values()))
+                sample_fields = list(sample_device.keys())[:8]  # First 8 fields
+                print(f"    Sample fields: {sample_fields}")
+
+        print("\n3. Testing data fetch function...")
+
+        # Test the sunpower_fetch function directly
+        entry_id = "test_entry_123"
+        fetch_data = sunpower_fetch(monitor, 120, 60, entry_id)
+
+        if fetch_data:
+            print("✅ Data fetch function successful")
+            print(f"📊 Fetched data keys: {list(fetch_data.keys())}")
+
+            # Show data summary
+            total_devices = sum(len(devices) for devices in fetch_data.values())
+            print(f"📈 Total devices processed: {total_devices}")
+
+        print("\n4. Testing ESS functionality...")
+
+        try:
+            ess_data = monitor.energy_storage_system_status()
+            print("✅ ESS data retrieval successful")
+            print(f"📊 ESS result: {ess_data.get('result', 'Unknown')}")
+        except Exception as e:
+            print(f"⚠️  ESS data failed (normal if no ESS): {e}")
+
+        print("\n🎉 All core functionality tests completed successfully!")
+        print("\n💡 To test full Home Assistant integration:")
+        print("   1. Install this integration in Home Assistant")
+        print("   2. Use the configuration flow to set up your PVS")
+        print("   3. Check entity registry for created sensors")
+
+    except Exception as e:
+        print(f"❌ Error during testing: {e}")
+        logger.exception("Full error details:")
+
+        # Provide helpful troubleshooting info
+        print("\n🔍 Troubleshooting:")
+        print("- Check that PVS_HOST environment variable is set correctly")
+        print("- Verify PVS is accessible on your network")
+        print("- Ensure PVS management interface is connected")
+        print(f"- Try: curl 'http://{host}/cgi-bin/dl_cgi?Command=Get_Comm'")
+
+    print("\n✅ Debug session completed")
+
+
+if __name__ == "__main__":
+    print("🚀 SunPower Integration Debugger")
+    print("=" * 50)
+    print("This script helps debug the SunPower integration outside of Home Assistant.")
+    print("Set the PVS_HOST environment variable to your PVS IP address.")
+    print("Example: export PVS_HOST=192.168.1.100")
+    print("")
+
+    # Run the debug session
+    asyncio.run(debug_integration())
diff --git a/tests/pytest.ini b/tests/pytest.ini
new file mode 100644
index 0000000..5df8039
--- /dev/null
+++ b/tests/pytest.ini
@@ -0,0 +1,9 @@
+[pytest]
+
+makers =
+  pvs: Tests that work directly against a pvs to verify its working correctly (not if PVS env == MOCK this will test the Mock)
+  ess: Tests that work directly against an ESS to verify its working correctly (not if PVS env == MOCK this will test the Mock)
+  hass: Tests that validate home assistant functionality
+
+env =
+  PVS: MOCK
diff --git a/tests/samples/device_list.json b/tests/samples/device_list.json
new file mode 100644
index 0000000..ba00441
--- /dev/null
+++ b/tests/samples/device_list.json
@@ -0,0 +1,1066 @@
+{
+  "devices": [
+    {
+      "DETAIL": "detail",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "SERIAL": "ZT1234567890",
+      "MODEL": "PV Supervisor PVS6",
+      "HWVER": "6.02",
+      "SWVER": "2022.7, Build 60661",
+      "DEVICE_TYPE": "PVS",
+      "DATATIME": "2024,04,17,18,00,00",
+      "dl_err_count": "0",
+      "dl_comm_err": "413",
+      "dl_skipped_scans": "0",
+      "dl_scan_time": "73",
+      "dl_untransmitted": "680553",
+      "dl_uptime": "36226",
+      "dl_cpu_load": "0.51",
+      "dl_mem_used": "87084",
+      "dl_flash_avail": "28593",
+      "panid": 410089015,
+      "CURTIME": "2024,04,17,18,02,19"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "SY12345670-111111.11111",
+      "TYPE": "HUB+",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SunPower MIDC",
+      "DESCR": "HUB+ SY12345670-111111.11111",
+      "DEVICE_TYPE": "HUB+",
+      "hw_version": "1.5.0",
+      "interface": "ttymxc5",
+      "slave": 220,
+      "SWVER": "0.7.22",
+      "PORT": "P0, Modbus, Slave 220",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,20"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "SY111111111D1111",
+      "TYPE": "EQUINOX-MIO",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "SunPower MIO",
+      "DESCR": "ESS Hub SY111111111D1111",
+      "DEVICE_TYPE": "ESS Hub",
+      "hw_version": "0.4.0",
+      "interface": "ttymxc5",
+      "parent": 13,
+      "slave": 221,
+      "SWVER": "0.8.5",
+      "PORT": "P0, Modbus, Slave 221",
+      "DATATIME": "2024,04,17,18,02,13",
+      "t_degc": "41",
+      "humidity": "17",
+      "v_dcdc_spply_v": "11.397",
+      "v_spply_v": "11.353",
+      "v_gateway_v": "11.353",
+      "fan_actv_fl": "0",
+      "fw_error": "0",
+      "event_history": "2048",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,20"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "BC1111111101",
+      "TYPE": "GATEWAY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SchneiderElectric-ConextGateway",
+      "DESCR": "Gateway BC1111111101",
+      "DEVICE_TYPE": "Gateway",
+      "interface": "sunspec",
+      "mac_address": "40:2e:71:da:c6:47",
+      "slave": 1,
+      "SWVER": "V1",
+      "PORT": "P0, SunSpec, Slave 1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,20"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "1111111111",
+      "TYPE": "SCHNEIDER-XWPRO",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SchneiderElectric-XW6848-21",
+      "DESCR": "Storage Inverter 1111111111",
+      "DEVICE_TYPE": "Storage Inverter",
+      "interface": "sunspec",
+      "mac_address": "40:2e:71:da:c6:47",
+      "parent": 13,
+      "slave": 10,
+      "SWVER": "V1",
+      "PORT": "P0, SunSpec, Slave 10",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,20"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "BC111111111111111111",
+      "TYPE": "EQUINOX-BMS",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SchneiderElectric-SP1",
+      "DESCR": "ESS BMS BC111111111111111111",
+      "DEVICE_TYPE": "ESS BMS",
+      "interface": "sunspec",
+      "mac_address": "40:2e:71:da:c6:00",
+      "parent": 13,
+      "slave": 230,
+      "PORT": "P0, SunSpec, Slave 230",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,21"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "PVS6M11111111p",
+      "TYPE": "PVS5-METER-P",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "PVS6M0400p",
+      "DESCR": "Power Meter PVS6M11111111p",
+      "DEVICE_TYPE": "Power Meter",
+      "interface": "mime",
+      "subtype": "GROSS_PRODUCTION_SITE",
+      "SWVER": "3000",
+      "PORT": "",
+      "DATATIME": "2024,04,17,18,02,20",
+      "ct_scl_fctr": "50",
+      "net_ltea_3phsum_kwh": "28817.2799",
+      "p_3phsum_kw": "5.8049",
+      "q_3phsum_kvar": "-0.1899",
+      "s_3phsum_kva": "5.8092",
+      "tot_pf_rto": "0.9991",
+      "freq_hz": "60",
+      "CAL0": "50",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,21"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "PVS6M11111111c",
+      "TYPE": "PVS5-METER-C",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "PVS6M0400c",
+      "DESCR": "Power Meter PVS6M11111111c",
+      "DEVICE_TYPE": "Power Meter",
+      "interface": "mime",
+      "subtype": "NET_CONSUMPTION_LOADSIDE",
+      "SWVER": "3000",
+      "PORT": "",
+      "DATATIME": "2024,04,17,18,02,21",
+      "ct_scl_fctr": "100",
+      "net_ltea_3phsum_kwh": "18037.2",
+      "p_3phsum_kw": "0.0727",
+      "q_3phsum_kvar": "0.3072",
+      "s_3phsum_kva": "0.6905",
+      "tot_pf_rto": "-0.0775",
+      "freq_hz": "60",
+      "i1_a": "2.9878",
+      "i2_a": "2.6403",
+      "v1n_v": "122.9457",
+      "v2n_v": "122.419",
+      "v12_v": "245.3642",
+      "p1_kw": "-0.19",
+      "p2_kw": "0.2628",
+      "neg_ltea_3phsum_kwh": "8442.2099",
+      "pos_ltea_3phsum_kwh": "26479.36",
+      "CAL0": "100",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,21"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "SY1111111-111111.11111_PVD1",
+      "TYPE": "PV-DISCONNECT",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SPWR-PVD-model",
+      "DESCR": "PV Disconnect SY1111111-111111.11111_PVD1",
+      "DEVICE_TYPE": "PV Disconnect",
+      "hw_version": "0",
+      "interface": "none",
+      "slave": 0,
+      "SWVER": "0",
+      "PORT": "P0, Modbus, Slave 0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,21"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "M111111111111",
+      "TYPE": "BATTERY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "POWERAMP-Komodo 1.2",
+      "DESCR": "Battery M111111111111",
+      "DEVICE_TYPE": "Battery",
+      "hw_version": "4.33",
+      "interface": "none",
+      "parent": 13,
+      "SWVER": "2.8",
+      "PORT": "P0, None, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,22"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "M111111111112",
+      "TYPE": "BATTERY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "POWERAMP-Komodo 1.2",
+      "DESCR": "Battery M111111111112",
+      "DEVICE_TYPE": "Battery",
+      "hw_version": "4.33",
+      "interface": "none",
+      "parent": 13,
+      "SWVER": "2.8",
+      "PORT": "P0, None, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,22"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "M111111111113",
+      "TYPE": "BATTERY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "POWERAMP-Komodo 1.2",
+      "DESCR": "Battery M111111111113",
+      "DEVICE_TYPE": "Battery",
+      "hw_version": "4.33",
+      "interface": "none",
+      "parent": 13,
+      "SWVER": "2.8",
+      "PORT": "P0, None, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,22"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "M111111111114",
+      "TYPE": "BATTERY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "POWERAMP-Komodo 1.2",
+      "DESCR": "Battery M111111111114",
+      "DEVICE_TYPE": "Battery",
+      "hw_version": "4.33",
+      "interface": "none",
+      "parent": 13,
+      "SWVER": "2.8",
+      "PORT": "P0, None, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "TYPE": "EQUINOX-ESS",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SPWR-Equinox-model",
+      "DESCR": "Energy Storage System 00001C2C9E04_M001220470180F_M001220470180",
+      "DEVICE_TYPE": "Energy Storage System",
+      "hw_version": "0",
+      "interface": "none",
+      "operational_ac_kW": 6,
+      "operational_ac_kWh": 21.96,
+      "rated_ac_kW": 6.8,
+      "rated_ac_kWh": 26,
+      "SWVER": "0",
+      "PORT": "P0, Parent, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E222222222222",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E222222222222",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "Q23M20535790",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "Q23M20535790",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1986.214",
+      "p_3phsum_kw": "0.2334",
+      "vln_3phavg_v": "249.73",
+      "i_3phsum_a": "0.93",
+      "p_mppt1_kw": "0.3063",
+      "v_mppt1_v": "53.13",
+      "i_mppt1_a": "5.76",
+      "t_htsnk_degc": "44",
+      "freq_hz": "59.99",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E222222222223",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E222222222223",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "Q23111111111",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "Q23111111111",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1905.5391",
+      "p_3phsum_kw": "0.2275",
+      "vln_3phavg_v": "249.46",
+      "i_3phsum_a": "0.91",
+      "p_mppt1_kw": "0.3083",
+      "v_mppt1_v": "53.24",
+      "i_mppt1_a": "5.79",
+      "t_htsnk_degc": "46",
+      "freq_hz": "59.99",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901123",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901123",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901123",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901123",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "2211.4533",
+      "p_3phsum_kw": "0.1955",
+      "vln_3phavg_v": "247.1",
+      "i_3phsum_a": "0.79",
+      "p_mppt1_kw": "0.2599",
+      "v_mppt1_v": "54.1",
+      "i_mppt1_a": "4.8",
+      "t_htsnk_degc": "51",
+      "freq_hz": "59.99",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901124",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901124",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901124",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901124",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1876.7503",
+      "p_3phsum_kw": "0.2275",
+      "vln_3phavg_v": "248.62",
+      "i_3phsum_a": "0.91",
+      "p_mppt1_kw": "0.3038",
+      "v_mppt1_v": "53.21",
+      "i_mppt1_a": "5.71",
+      "t_htsnk_degc": "47",
+      "freq_hz": "60",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,24"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901125",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901125",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E1234567890115",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901155",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1905.0786",
+      "p_3phsum_kw": "0.2289",
+      "vln_3phavg_v": "248.69",
+      "i_3phsum_a": "0.92",
+      "p_mppt1_kw": "0.2957",
+      "v_mppt1_v": "52.75",
+      "i_mppt1_a": "5.6",
+      "t_htsnk_degc": "46",
+      "freq_hz": "60",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,24"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901125",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901125",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "2191.7205",
+      "p_3phsum_kw": "0.1982",
+      "vln_3phavg_v": "247.3",
+      "i_3phsum_a": "0.8",
+      "p_mppt1_kw": "0.2556",
+      "v_mppt1_v": "54.65",
+      "i_mppt1_a": "4.67",
+      "t_htsnk_degc": "37",
+      "freq_hz": "60",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,24"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901126",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901126",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456789011",
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+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,28"
+    }
+  ],
+  "result": "succeed"
+}
diff --git a/tests/samples/ess_device_list.json b/tests/samples/ess_device_list.json
new file mode 100644
index 0000000..ba00441
--- /dev/null
+++ b/tests/samples/ess_device_list.json
@@ -0,0 +1,1066 @@
+{
+  "devices": [
+    {
+      "DETAIL": "detail",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "SERIAL": "ZT1234567890",
+      "MODEL": "PV Supervisor PVS6",
+      "HWVER": "6.02",
+      "SWVER": "2022.7, Build 60661",
+      "DEVICE_TYPE": "PVS",
+      "DATATIME": "2024,04,17,18,00,00",
+      "dl_err_count": "0",
+      "dl_comm_err": "413",
+      "dl_skipped_scans": "0",
+      "dl_scan_time": "73",
+      "dl_untransmitted": "680553",
+      "dl_uptime": "36226",
+      "dl_cpu_load": "0.51",
+      "dl_mem_used": "87084",
+      "dl_flash_avail": "28593",
+      "panid": 410089015,
+      "CURTIME": "2024,04,17,18,02,19"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "SY12345670-111111.11111",
+      "TYPE": "HUB+",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SunPower MIDC",
+      "DESCR": "HUB+ SY12345670-111111.11111",
+      "DEVICE_TYPE": "HUB+",
+      "hw_version": "1.5.0",
+      "interface": "ttymxc5",
+      "slave": 220,
+      "SWVER": "0.7.22",
+      "PORT": "P0, Modbus, Slave 220",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,20"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "SY111111111D1111",
+      "TYPE": "EQUINOX-MIO",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "SunPower MIO",
+      "DESCR": "ESS Hub SY111111111D1111",
+      "DEVICE_TYPE": "ESS Hub",
+      "hw_version": "0.4.0",
+      "interface": "ttymxc5",
+      "parent": 13,
+      "slave": 221,
+      "SWVER": "0.8.5",
+      "PORT": "P0, Modbus, Slave 221",
+      "DATATIME": "2024,04,17,18,02,13",
+      "t_degc": "41",
+      "humidity": "17",
+      "v_dcdc_spply_v": "11.397",
+      "v_spply_v": "11.353",
+      "v_gateway_v": "11.353",
+      "fan_actv_fl": "0",
+      "fw_error": "0",
+      "event_history": "2048",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,20"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "BC1111111101",
+      "TYPE": "GATEWAY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SchneiderElectric-ConextGateway",
+      "DESCR": "Gateway BC1111111101",
+      "DEVICE_TYPE": "Gateway",
+      "interface": "sunspec",
+      "mac_address": "40:2e:71:da:c6:47",
+      "slave": 1,
+      "SWVER": "V1",
+      "PORT": "P0, SunSpec, Slave 1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,20"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "1111111111",
+      "TYPE": "SCHNEIDER-XWPRO",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SchneiderElectric-XW6848-21",
+      "DESCR": "Storage Inverter 1111111111",
+      "DEVICE_TYPE": "Storage Inverter",
+      "interface": "sunspec",
+      "mac_address": "40:2e:71:da:c6:47",
+      "parent": 13,
+      "slave": 10,
+      "SWVER": "V1",
+      "PORT": "P0, SunSpec, Slave 10",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,20"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "BC111111111111111111",
+      "TYPE": "EQUINOX-BMS",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SchneiderElectric-SP1",
+      "DESCR": "ESS BMS BC111111111111111111",
+      "DEVICE_TYPE": "ESS BMS",
+      "interface": "sunspec",
+      "mac_address": "40:2e:71:da:c6:00",
+      "parent": 13,
+      "slave": 230,
+      "PORT": "P0, SunSpec, Slave 230",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,21"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "PVS6M11111111p",
+      "TYPE": "PVS5-METER-P",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "PVS6M0400p",
+      "DESCR": "Power Meter PVS6M11111111p",
+      "DEVICE_TYPE": "Power Meter",
+      "interface": "mime",
+      "subtype": "GROSS_PRODUCTION_SITE",
+      "SWVER": "3000",
+      "PORT": "",
+      "DATATIME": "2024,04,17,18,02,20",
+      "ct_scl_fctr": "50",
+      "net_ltea_3phsum_kwh": "28817.2799",
+      "p_3phsum_kw": "5.8049",
+      "q_3phsum_kvar": "-0.1899",
+      "s_3phsum_kva": "5.8092",
+      "tot_pf_rto": "0.9991",
+      "freq_hz": "60",
+      "CAL0": "50",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,21"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "PVS6M11111111c",
+      "TYPE": "PVS5-METER-C",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "PVS6M0400c",
+      "DESCR": "Power Meter PVS6M11111111c",
+      "DEVICE_TYPE": "Power Meter",
+      "interface": "mime",
+      "subtype": "NET_CONSUMPTION_LOADSIDE",
+      "SWVER": "3000",
+      "PORT": "",
+      "DATATIME": "2024,04,17,18,02,21",
+      "ct_scl_fctr": "100",
+      "net_ltea_3phsum_kwh": "18037.2",
+      "p_3phsum_kw": "0.0727",
+      "q_3phsum_kvar": "0.3072",
+      "s_3phsum_kva": "0.6905",
+      "tot_pf_rto": "-0.0775",
+      "freq_hz": "60",
+      "i1_a": "2.9878",
+      "i2_a": "2.6403",
+      "v1n_v": "122.9457",
+      "v2n_v": "122.419",
+      "v12_v": "245.3642",
+      "p1_kw": "-0.19",
+      "p2_kw": "0.2628",
+      "neg_ltea_3phsum_kwh": "8442.2099",
+      "pos_ltea_3phsum_kwh": "26479.36",
+      "CAL0": "100",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,21"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "SY1111111-111111.11111_PVD1",
+      "TYPE": "PV-DISCONNECT",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SPWR-PVD-model",
+      "DESCR": "PV Disconnect SY1111111-111111.11111_PVD1",
+      "DEVICE_TYPE": "PV Disconnect",
+      "hw_version": "0",
+      "interface": "none",
+      "slave": 0,
+      "SWVER": "0",
+      "PORT": "P0, Modbus, Slave 0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,21"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "M111111111111",
+      "TYPE": "BATTERY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "POWERAMP-Komodo 1.2",
+      "DESCR": "Battery M111111111111",
+      "DEVICE_TYPE": "Battery",
+      "hw_version": "4.33",
+      "interface": "none",
+      "parent": 13,
+      "SWVER": "2.8",
+      "PORT": "P0, None, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,22"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "M111111111112",
+      "TYPE": "BATTERY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "POWERAMP-Komodo 1.2",
+      "DESCR": "Battery M111111111112",
+      "DEVICE_TYPE": "Battery",
+      "hw_version": "4.33",
+      "interface": "none",
+      "parent": 13,
+      "SWVER": "2.8",
+      "PORT": "P0, None, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,22"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "M111111111113",
+      "TYPE": "BATTERY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "POWERAMP-Komodo 1.2",
+      "DESCR": "Battery M111111111113",
+      "DEVICE_TYPE": "Battery",
+      "hw_version": "4.33",
+      "interface": "none",
+      "parent": 13,
+      "SWVER": "2.8",
+      "PORT": "P0, None, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,22"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "M111111111114",
+      "TYPE": "BATTERY",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "POWERAMP-Komodo 1.2",
+      "DESCR": "Battery M111111111114",
+      "DEVICE_TYPE": "Battery",
+      "hw_version": "4.33",
+      "interface": "none",
+      "parent": 13,
+      "SWVER": "2.8",
+      "PORT": "P0, None, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "PARENT": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "111111111111_111111111111F_1111111111110E_111111111111F_1111111111113D",
+      "TYPE": "EQUINOX-ESS",
+      "STATE": "error",
+      "STATEDESCR": "Error",
+      "MODEL": "SPWR-Equinox-model",
+      "DESCR": "Energy Storage System 00001C2C9E04_M001220470180F_M001220470180",
+      "DEVICE_TYPE": "Energy Storage System",
+      "hw_version": "0",
+      "interface": "none",
+      "operational_ac_kW": 6,
+      "operational_ac_kWh": 21.96,
+      "rated_ac_kW": 6.8,
+      "rated_ac_kWh": 26,
+      "SWVER": "0",
+      "PORT": "P0, Parent, Slave -1",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E222222222222",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E222222222222",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "Q23M20535790",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "Q23M20535790",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1986.214",
+      "p_3phsum_kw": "0.2334",
+      "vln_3phavg_v": "249.73",
+      "i_3phsum_a": "0.93",
+      "p_mppt1_kw": "0.3063",
+      "v_mppt1_v": "53.13",
+      "i_mppt1_a": "5.76",
+      "t_htsnk_degc": "44",
+      "freq_hz": "59.99",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E222222222223",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E222222222223",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "Q23111111111",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "Q23111111111",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1905.5391",
+      "p_3phsum_kw": "0.2275",
+      "vln_3phavg_v": "249.46",
+      "i_3phsum_a": "0.91",
+      "p_mppt1_kw": "0.3083",
+      "v_mppt1_v": "53.24",
+      "i_mppt1_a": "5.79",
+      "t_htsnk_degc": "46",
+      "freq_hz": "59.99",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901123",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901123",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901123",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901123",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "2211.4533",
+      "p_3phsum_kw": "0.1955",
+      "vln_3phavg_v": "247.1",
+      "i_3phsum_a": "0.79",
+      "p_mppt1_kw": "0.2599",
+      "v_mppt1_v": "54.1",
+      "i_mppt1_a": "4.8",
+      "t_htsnk_degc": "51",
+      "freq_hz": "59.99",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,23"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901124",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901124",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901124",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901124",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1876.7503",
+      "p_3phsum_kw": "0.2275",
+      "vln_3phavg_v": "248.62",
+      "i_3phsum_a": "0.91",
+      "p_mppt1_kw": "0.3038",
+      "v_mppt1_v": "53.21",
+      "i_mppt1_a": "5.71",
+      "t_htsnk_degc": "47",
+      "freq_hz": "60",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,24"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901125",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901125",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E1234567890115",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901155",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1905.0786",
+      "p_3phsum_kw": "0.2289",
+      "vln_3phavg_v": "248.69",
+      "i_3phsum_a": "0.92",
+      "p_mppt1_kw": "0.2957",
+      "v_mppt1_v": "52.75",
+      "i_mppt1_a": "5.6",
+      "t_htsnk_degc": "46",
+      "freq_hz": "60",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,24"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901125",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901125",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "2191.7205",
+      "p_3phsum_kw": "0.1982",
+      "vln_3phavg_v": "247.3",
+      "i_3phsum_a": "0.8",
+      "p_mppt1_kw": "0.2556",
+      "v_mppt1_v": "54.65",
+      "i_mppt1_a": "4.67",
+      "t_htsnk_degc": "37",
+      "freq_hz": "60",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,24"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901126",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901126",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456789011",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1923.3012",
+      "p_3phsum_kw": "0.2347",
+      "vln_3phavg_v": "249.15",
+      "i_3phsum_a": "0.94",
+      "p_mppt1_kw": "0.298",
+      "v_mppt1_v": "53.19",
+      "i_mppt1_a": "5.6",
+      "t_htsnk_degc": "47",
+      "freq_hz": "60",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,24"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901127",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901127",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E1901124",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E1901124",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1909.901",
+      "p_3phsum_kw": "0.2341",
+      "vln_3phavg_v": "248.62",
+      "i_3phsum_a": "0.94",
+      "p_mppt1_kw": "0.3021",
+      "v_mppt1_v": "53.35",
+      "i_mppt1_a": "5.66",
+      "t_htsnk_degc": "46",
+      "freq_hz": "60.01",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,24"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901128",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901128",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123401127",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123401127",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1906.5346",
+      "p_3phsum_kw": "0.2337",
+      "vln_3phavg_v": "249.01",
+      "i_3phsum_a": "0.93",
+      "p_mppt1_kw": "0.3048",
+      "v_mppt1_v": "53.1",
+      "i_mppt1_a": "5.74",
+      "t_htsnk_degc": "46",
+      "freq_hz": "60.01",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,25"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901129",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901129",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123451128",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123451128",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1941.8943",
+      "p_3phsum_kw": "0.2349",
+      "vln_3phavg_v": "249.2",
+      "i_3phsum_a": "0.94",
+      "p_mppt1_kw": "0.3071",
+      "v_mppt1_v": "52.55",
+      "i_mppt1_a": "5.84",
+      "t_htsnk_degc": "48",
+      "freq_hz": "60.01",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,25"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901130",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901130",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456130",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456130",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1892.0793",
+      "p_3phsum_kw": "0.2341",
+      "vln_3phavg_v": "248.7",
+      "i_3phsum_a": "0.94",
+      "p_mppt1_kw": "0.3163",
+      "v_mppt1_v": "53.21",
+      "i_mppt1_a": "5.94",
+      "t_htsnk_degc": "46",
+      "freq_hz": "60.01",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,25"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901131",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901131",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345630",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345630",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "2171.8629",
+      "p_3phsum_kw": "0.2014",
+      "vln_3phavg_v": "247.67",
+      "i_3phsum_a": "0.81",
+      "p_mppt1_kw": "0.2688",
+      "v_mppt1_v": "54.76",
+      "i_mppt1_a": "4.9",
+      "t_htsnk_degc": "35",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,25"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901132",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901132",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456320",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456320",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "1948.6541",
+      "p_3phsum_kw": "0.2364",
+      "vln_3phavg_v": "249.48",
+      "i_3phsum_a": "0.94",
+      "p_mppt1_kw": "0.3116",
+      "v_mppt1_v": "52.93",
+      "i_mppt1_a": "5.88",
+      "t_htsnk_degc": "47",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,25"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901133",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901133",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456321",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456321",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "2238.8076",
+      "p_3phsum_kw": "0.2071",
+      "vln_3phavg_v": "247.4",
+      "i_3phsum_a": "0.83",
+      "p_mppt1_kw": "0.2702",
+      "v_mppt1_v": "54.89",
+      "i_mppt1_a": "4.92",
+      "t_htsnk_degc": "34",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,26"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901134",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901134",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456322",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456322",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,43",
+      "ltea_3phsum_kwh": "2163.6433",
+      "p_3phsum_kw": "0.2009",
+      "vln_3phavg_v": "247.53",
+      "i_3phsum_a": "0.81",
+      "p_mppt1_kw": "0.2626",
+      "v_mppt1_v": "54.39",
+      "i_mppt1_a": "4.82",
+      "t_htsnk_degc": "38",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,26"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901135",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901135",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456323",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456324",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,58",
+      "ltea_3phsum_kwh": "1954.5777",
+      "p_3phsum_kw": "0.2424",
+      "vln_3phavg_v": "250.1",
+      "i_3phsum_a": "0.96",
+      "p_mppt1_kw": "0.3116",
+      "v_mppt1_v": "53.45",
+      "i_mppt1_a": "5.83",
+      "t_htsnk_degc": "48",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,26"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901136",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901136",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456323",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456323",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,58",
+      "ltea_3phsum_kwh": "1881.1138",
+      "p_3phsum_kw": "0.2365",
+      "vln_3phavg_v": "249.83",
+      "i_3phsum_a": "0.94",
+      "p_mppt1_kw": "0.3067",
+      "v_mppt1_v": "53.22",
+      "i_mppt1_a": "5.76",
+      "t_htsnk_degc": "46",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,26"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901137",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901137",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456324",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456324",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,58",
+      "ltea_3phsum_kwh": "2192.3515",
+      "p_3phsum_kw": "0.205",
+      "vln_3phavg_v": "247.64",
+      "i_3phsum_a": "0.82",
+      "p_mppt1_kw": "0.2647",
+      "v_mppt1_v": "54.46",
+      "i_mppt1_a": "4.86",
+      "t_htsnk_degc": "38",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,27"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901138",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901138",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456324",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456324",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,58",
+      "ltea_3phsum_kwh": "1972.373",
+      "p_3phsum_kw": "0.2463",
+      "vln_3phavg_v": "248.97",
+      "i_3phsum_a": "0.98",
+      "p_mppt1_kw": "0.3139",
+      "v_mppt1_v": "53.86",
+      "i_mppt1_a": "5.82",
+      "t_htsnk_degc": "43",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,27"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901139",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901139",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E123456325",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E123456325",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,58",
+      "ltea_3phsum_kwh": "2186.3743",
+      "p_3phsum_kw": "0.2046",
+      "vln_3phavg_v": "247.34",
+      "i_3phsum_a": "0.82",
+      "p_mppt1_kw": "0.2618",
+      "v_mppt1_v": "54.57",
+      "i_mppt1_a": "4.79",
+      "t_htsnk_degc": "38",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,27"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901140",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901140",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901140",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901140",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,58",
+      "ltea_3phsum_kwh": "1938.8079",
+      "p_3phsum_kw": "0.2437",
+      "vln_3phavg_v": "249.9",
+      "i_3phsum_a": "0.97",
+      "p_mppt1_kw": "0.309",
+      "v_mppt1_v": "53.48",
+      "i_mppt1_a": "5.77",
+      "t_htsnk_degc": "46",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,27"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901141",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901141",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901141",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901141",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,58",
+      "ltea_3phsum_kwh": "1883.5216",
+      "p_3phsum_kw": "0.2437",
+      "vln_3phavg_v": "249.2",
+      "i_3phsum_a": "0.97",
+      "p_mppt1_kw": "0.3128",
+      "v_mppt1_v": "53.59",
+      "i_mppt1_a": "5.83",
+      "t_htsnk_degc": "46",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,27"
+    },
+    {
+      "ISDETAIL": true,
+      "SERIAL": "E12345678901142",
+      "TYPE": "SOLARBRIDGE",
+      "STATE": "working",
+      "STATEDESCR": "Working",
+      "MODEL": "AC_Module_Type_E",
+      "DESCR": "Inverter E12345678901142",
+      "DEVICE_TYPE": "Inverter",
+      "hw_version": "4405",
+      "interface": "mime",
+      "module_serial": "E12345678901141",
+      "PANEL": "SPR-X21-335-BLK-E-AC",
+      "slave": 0,
+      "SWVER": "4.28.7",
+      "PORT": "",
+      "MOD_SN": "E12345678901141",
+      "NMPLT_SKU": "",
+      "DATATIME": "2024,04,17,18,00,58",
+      "ltea_3phsum_kwh": "1931.6134",
+      "p_3phsum_kw": "0.2454",
+      "vln_3phavg_v": "249.52",
+      "i_3phsum_a": "0.98",
+      "p_mppt1_kw": "0.3053",
+      "v_mppt1_v": "53.56",
+      "i_mppt1_a": "5.7",
+      "t_htsnk_degc": "43",
+      "freq_hz": "60.02",
+      "stat_ind": "0",
+      "origin": "data_logger",
+      "OPERATION": "noop",
+      "CURTIME": "2024,04,17,18,02,28"
+    }
+  ],
+  "result": "succeed"
+}
diff --git a/tests/samples/ess_status.json b/tests/samples/ess_status.json
new file mode 100644
index 0000000..049fb09
--- /dev/null
+++ b/tests/samples/ess_status.json
@@ -0,0 +1,190 @@
+{
+  "errors": [
+    {
+      "device_sn": "111111111111",
+      "error_code": "12001",
+      "error_message": "storage_inv_over_temperature_warning",
+      "error_name": "storage_inv_over_temperature_warning",
+      "last_occurence": "2024-04-17 18:01:22",
+      "value": {
+        "unit": "",
+        "value": 51.15
+      }
+    }
+  ],
+  "ess_report": {
+    "battery_status": [
+      {
+        "battery_amperage": {
+          "unit": "A",
+          "value": 8.4
+        },
+        "battery_voltage": {
+          "unit": "V",
+          "value": 53.2
+        },
+        "customer_state_of_charge": {
+          "unit": "%",
+          "value": 55.000000000000007
+        },
+        "last_updated": "2024-04-17 18:01:13",
+        "serial_number": "BC1111111111111111111",
+        "system_state_of_charge": {
+          "unit": "%",
+          "value": 62
+        },
+        "temperature": {
+          "unit": "C",
+          "value": 29.8
+        }
+      }
+    ],
+    "ess_state": [
+      {
+        "operational_mode": "SELF_CONSUMPTION",
+        "permission_to_operate": true,
+        "storage_controller_status": "RUNNING"
+      }
+    ],
+    "ess_status": [
+      {
+        "enclosure_humidity": {
+          "unit": "%",
+          "value": 17
+        },
+        "enclosure_temperature": {
+          "unit": "C",
+          "value": 41
+        },
+        "ess_meter_reading": {
+          "agg_power": {
+            "unit": "kW",
+            "value": -4.962
+          },
+          "last_updated": "2024-04-17 18:01:22",
+          "meter_a": {
+            "reading": {
+              "current": {
+                "unit": "A",
+                "value": 17.78
+              },
+              "last_updated": "2024-04-17 18:01:22",
+              "power": {
+                "unit": "W",
+                "value": 2164.3594000000003
+              },
+              "voltage": {
+                "unit": "V",
+                "value": 121.73
+              }
+            }
+          },
+          "meter_b": {
+            "reading": {
+              "current": {
+                "unit": "A",
+                "value": 17.82
+              },
+              "last_updated": "2024-04-17 18:01:22",
+              "power": {
+                "unit": "W",
+                "value": 2169.2286
+              },
+              "voltage": {
+                "unit": "V",
+                "value": 121.73
+              }
+            }
+          }
+        },
+        "last_updated": "2024-04-17 18:01:13",
+        "serial_number": "11111111111_M1111111111F_M1111111111111111E_M1111111111111F_M111111111111D"
+      }
+    ],
+    "hub_plus_status": {
+      "aux_port_voltage": {
+        "unit": "V",
+        "value": 11.276
+      },
+      "contactor_error": "NONE",
+      "contactor_position": "CLOSED",
+      "grid_frequency_state": "METER_FREQ_IN_RANGE",
+      "grid_phase1_voltage": {
+        "unit": "V",
+        "value": 123.30000000000001
+      },
+      "grid_phase2_voltage": {
+        "unit": "V",
+        "value": 123.2
+      },
+      "grid_voltage_state": "METER_VOLTAGE_IN_RANGE",
+      "hub_humidity": {
+        "unit": "%",
+        "value": 33
+      },
+      "hub_temperature": {
+        "unit": "C",
+        "value": 26
+      },
+      "inverter_connection_voltage": {
+        "unit": "V",
+        "value": 0.277
+      },
+      "jump_start_voltage": {
+        "unit": "V",
+        "value": 1.177
+      },
+      "last_updated": "2024-04-17 18:01:20",
+      "load_frequency_state": "METER_FREQ_IN_RANGE",
+      "load_phase1_voltage": {
+        "unit": "V",
+        "value": 123.2
+      },
+      "load_phase2_voltage": {
+        "unit": "V",
+        "value": 123.30000000000001
+      },
+      "load_voltage_state": "METER_VOLTAGE_IN_RANGE",
+      "main_voltage": {
+        "unit": "V",
+        "value": 11.364
+      },
+      "serial_number": "SY1234567-11111111.111111"
+    },
+    "inverter_status": [
+      {
+        "a_n_voltage": {
+          "unit": "V",
+          "value": 121.73
+        },
+        "ac_current": {
+          "unit": "A",
+          "value": 17.8
+        },
+        "ac_power": {
+          "unit": "kW",
+          "value": -4.962
+        },
+        "b_n_voltage": {
+          "unit": "V",
+          "value": 121.73
+        },
+        "last_updated": "2024-04-17 18:01:22",
+        "phase_a_current": {
+          "unit": "A",
+          "value": 17.78
+        },
+        "phase_b_current": {
+          "unit": "A",
+          "value": 17.82
+        },
+        "serial_number": "111111111111",
+        "temperature": {
+          "unit": "C",
+          "value": 52.550000000000004
+        }
+      }
+    ],
+    "last_updated": "2024-04-17 18:01:22"
+  }
+}
diff --git a/tests/test_api.py b/tests/test_api.py
new file mode 100755
index 0000000..2ef3748
--- /dev/null
+++ b/tests/test_api.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+"""
+Simple script to test the SunPower API client directly.
+Set PVS_HOST environment variable or edit the host below.
+"""
+
+import asyncio
+import os
+import sys
+from pprint import pprint
+
+# Add the custom_components directory to Python path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "custom_components"))
+
+from sunpower.sunpower import (  # noqa: E402
+    ConnectionException,
+    ParseException,
+    SunPowerMonitor,
+)
+
+
+async def test_api():
+    """Test the SunPower API client."""
+    # Change this to your PVS IP address
+    host = os.getenv("PVS_HOST", "172.27.153.1")  # Default PVS IP for NAT setup
+
+    print(f"Testing SunPower API connection to {host}")
+    print("-" * 50)
+
+    monitor = SunPowerMonitor(host)
+
+    try:
+        print("1. Testing network status...")
+        network_status = monitor.network_status()
+        print("✅ Network status successful")
+        pprint(network_status)
+        print()
+
+    except (ConnectionException, ParseException) as e:
+        print(f"❌ Network status failed: {e}")
+        print("Check that:")
+        print("- PVS is accessible at the IP address")
+        print("- Network connectivity is working")
+        print("- PVS management interface is enabled")
+        return
+
+    try:
+        print("2. Testing device list...")
+        device_list = monitor.device_list()
+        print("✅ Device list successful")
+        print(f"Found {len(device_list.get('devices', []))} devices")
+
+        # Show device summary
+        device_types = {}
+        for device in device_list.get("devices", []):
+            device_type = device.get("DEVICE_TYPE", "Unknown")
+            device_types[device_type] = device_types.get(device_type, 0) + 1
+
+        print("Device breakdown:")
+        for device_type, count in device_types.items():
+            print(f"  - {device_type}: {count}")
+        print()
+
+    except (ConnectionException, ParseException) as e:
+        print(f"❌ Device list failed: {e}")
+        print()
+
+    try:
+        print("3. Testing energy storage system status...")
+        ess_status = monitor.energy_storage_system_status()
+        print("✅ ESS status successful")
+        pprint(ess_status)
+        print()
+
+    except (ConnectionException, ParseException) as e:
+        print(f"❌ ESS status failed (this is normal if no ESS): {e}")
+        print()
+
+
+if __name__ == "__main__":
+    # Run the async test
+    asyncio.run(test_api())
diff --git a/tests/test_ha_integration.py b/tests/test_ha_integration.py
new file mode 100755
index 0000000..8895b7f
--- /dev/null
+++ b/tests/test_ha_integration.py
@@ -0,0 +1,143 @@
+#!/usr/bin/env python3
+"""
+Test Home Assistant integration with proper mocking.
+This script tests the integration setup without requiring a full HA environment.
+"""
+
+import asyncio
+import logging
+import os
+import sys
+from unittest.mock import (
+    AsyncMock,
+    Mock,
+)
+
+# Add the custom_components directory to Python path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "custom_components"))
+
+from homeassistant.config_entries import ConfigEntry  # noqa: E402
+from homeassistant.core import HomeAssistant  # noqa: E402
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator  # noqa: E402
+from sunpower.const import (  # noqa: E402
+    DOMAIN,
+    SUNPOWER_DESCRIPTIVE_NAMES,
+    SUNPOWER_HOST,
+    SUNPOWER_PRODUCT_NAMES,
+)
+
+# Set up logging
+logging.basicConfig(
+    level=logging.DEBUG,
+    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+)
+logger = logging.getLogger(__name__)
+
+
+async def test_ha_integration():
+    """Test the integration with a more realistic Home Assistant mock."""
+    host = os.getenv("PVS_HOST", "172.27.153.1")
+
+    print("🏠 Testing Home Assistant Integration")
+    print(f"📡 PVS Host: {host}")
+    print("-" * 50)
+
+    # Create a minimal mock HA that satisfies the coordinator requirements
+    hass = Mock(spec=HomeAssistant)
+    hass.data = {}
+    hass.loop = asyncio.get_event_loop()
+    hass.bus = Mock()
+    hass.bus.async_fire = AsyncMock()
+    hass.states = Mock()
+
+    # Mock async_add_executor_job
+    async def mock_executor_job(func, *args):
+        return func(*args)
+
+    hass.async_add_executor_job = mock_executor_job
+
+    # Create config entry
+    config_entry = Mock(spec=ConfigEntry)
+    config_entry.entry_id = "test_entry_123"
+    config_entry.data = {
+        SUNPOWER_HOST: host,
+        SUNPOWER_DESCRIPTIVE_NAMES: True,
+        SUNPOWER_PRODUCT_NAMES: False,
+    }
+    config_entry.options = {}
+
+    def mock_unload(func):
+        pass
+
+    config_entry.async_on_unload = mock_unload
+    config_entry.add_update_listener = Mock(return_value=mock_unload)
+
+    try:
+        print("1. Testing basic data structures...")
+
+        # Initialize domain data
+        hass.data.setdefault(DOMAIN, {})
+        print("✅ Domain data initialized")
+
+        print("\n2. Testing data coordinator creation...")
+
+        # Create a simple coordinator without the full integration
+        from datetime import timedelta
+
+        from sunpower import sunpower_fetch  # noqa: E402
+        from sunpower.sunpower import SunPowerMonitor  # noqa: E402
+
+        monitor = SunPowerMonitor(host)
+
+        async def async_update_data():
+            """Test update function."""
+            return sunpower_fetch(monitor, 120, 60, config_entry.entry_id)
+
+        coordinator = DataUpdateCoordinator(
+            hass,
+            logger,
+            name="SunPower PVS Test",
+            update_method=async_update_data,
+            update_interval=timedelta(seconds=120),
+        )
+        print("✅ Data coordinator created successfully")
+
+        print("\n3. Testing data fetch...")
+
+        # Test data fetch
+        await coordinator.async_refresh()
+
+        if coordinator.data:
+            print("✅ Data fetch successful")
+            print(f"📊 Data keys: {list(coordinator.data.keys())}")
+
+            # Show device summary
+            total_devices = sum(len(devices) for devices in coordinator.data.values())
+            print(f"📈 Total devices: {total_devices}")
+        else:
+            print("⚠️  No data returned from coordinator")
+
+        print("\n🎉 Home Assistant integration test completed successfully!")
+
+    except Exception as e:
+        print(f"❌ Error during HA integration testing: {e}")
+        logger.exception("Full error details:")
+
+        # Provide helpful info
+        print("\n🔍 This test validates that:")
+        print("- DataUpdateCoordinator can be created")
+        print("- Data fetching works with the coordinator")
+        print("- Basic Home Assistant compatibility")
+
+    print("\n✅ HA integration test completed")
+
+
+if __name__ == "__main__":
+    print("🏠 SunPower Home Assistant Integration Tester")
+    print("=" * 50)
+    print("This script tests the integration's compatibility with Home Assistant.")
+    print("Set PVS_HOST environment variable to test with a real PVS.")
+    print("")
+
+    # Run the test
+    asyncio.run(test_ha_integration())
diff --git a/tests/test_hardware.py b/tests/test_hardware.py
new file mode 100644
index 0000000..fef9070
--- /dev/null
+++ b/tests/test_hardware.py
@@ -0,0 +1,70 @@
+import logging
+import os
+import subprocess
+import sys
+
+import pytest
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "custom_components"))
+
+import sunpower  # noqa: E402
+
+_LOGGER = logging.getLogger(__name__)
+
+
+@pytest.mark.pvs()
+@pytest.mark.skipif(
+    os.getenv("PVS") == "MOCK",
+    reason="Skipping real PVS tests in MOCK mode",
+)
+def test_ping():
+    """Test we can ping the PVS device."""
+    _LOGGER.warning("Pinging PVS at", os.environ["PVS"])
+    subprocess.check_call(["ping", "-c", "1", os.environ["PVS"]])
+
+
+@pytest.mark.pvs()
+def test_pvs_device_list(sunpowermonitor):
+    """Test we can get a device list from the PVS."""
+    result = sunpowermonitor.device_list()
+    _LOGGER.debug("Device List: %s", result)
+    assert "devices" in result
+    assert isinstance(result["devices"], list)
+    assert len(result["devices"]) > 0
+    _LOGGER.warning(f"Found {len(result['devices'])} devices in device list")
+
+
+@pytest.mark.ess()
+def test_pvs_ess(sunpowermonitor):
+    """Test we can get an ESS list from the PVS."""
+    result = sunpowermonitor.energy_storage_system_status()
+    _LOGGER.debug("ESS data: %s", result)
+    assert "errors" in result
+    assert "ess_report" in result
+
+
+@pytest.mark.pvs()
+def test_pvs_network(sunpowermonitor):
+    """Test we can get an Netork from the PVS."""
+    result = sunpowermonitor.network_status()
+    _LOGGER.debug("Network data: %s", result)
+    assert result is not None
+
+
+@pytest.mark.pvs()
+def test_pvs_parse(sunpowermonitor):
+    data = sunpower.convert_sunpower_data(sunpowermonitor.device_list())
+    _LOGGER.debug("Converted data: %s", data)
+    assert len(data["PVS"]) > 0
+    assert len(data["Inverter"]) > 0
+    for type, count in [(x, len(data[x])) for x in data.keys()]:
+        _LOGGER.warning(f"Found {count} devices of type {type}")
+
+
+@pytest.mark.ess()
+def test_ess_parse(sunpowermonitor):
+    data = sunpower.convert_ess_data(
+        sunpowermonitor.energy_storage_system_status(),
+        sunpowermonitor.device_list(),
+    )
+    _LOGGER.warning(data)
diff --git a/tests/test_sunpower_api.py b/tests/test_sunpower_api.py
new file mode 100644
index 0000000..48ef789
--- /dev/null
+++ b/tests/test_sunpower_api.py
@@ -0,0 +1,74 @@
+"""Test the SunPower API client."""
+
+import os
+import sys
+from unittest.mock import (
+    Mock,
+    patch,
+)
+
+import pytest
+import requests
+
+# Add custom_components to path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "custom_components"))
+
+from sunpower.sunpower import (  # noqa: E402
+    ConnectionException,
+    SunPowerMonitor,
+)
+
+
+class TestSunPowerMonitor:
+    """Test the SunPowerMonitor class."""
+
+    def test_init(self):
+        """Test SunPowerMonitor initialization."""
+        monitor = SunPowerMonitor("192.168.1.100")
+        assert monitor.host == "192.168.1.100"
+        assert monitor.command_url == "http://192.168.1.100/cgi-bin/dl_cgi?Command="
+
+    @patch("sunpower.sunpower.requests")
+    def test_device_list_success(self, mock_requests):
+        """Test successful device list retrieval."""
+        # Mock response
+        mock_response = Mock()
+        mock_response.json.return_value = {"devices": []}
+        mock_requests.get.return_value = mock_response
+
+        monitor = SunPowerMonitor("192.168.1.100")
+        result = monitor.device_list()
+
+        assert result == {"devices": []}
+        mock_requests.get.assert_called_once_with(
+            "http://192.168.1.100/cgi-bin/dl_cgi?Command=DeviceList",
+            timeout=120,
+        )
+
+    @patch("sunpower.sunpower.requests")
+    def test_device_list_connection_error(self, mock_requests):
+        """Test device list with connection error."""
+        # Mock the exception class as well
+        mock_requests.exceptions.RequestException = requests.exceptions.RequestException
+        mock_requests.get.side_effect = requests.exceptions.RequestException("Connection failed")
+
+        monitor = SunPowerMonitor("192.168.1.100")
+
+        with pytest.raises(ConnectionException):
+            monitor.device_list()
+
+    @patch("sunpower.sunpower.requests")
+    def test_network_status_success(self, mock_requests):
+        """Test successful network status retrieval."""
+        mock_response = Mock()
+        mock_response.json.return_value = {"status": "ok"}
+        mock_requests.get.return_value = mock_response
+
+        monitor = SunPowerMonitor("192.168.1.100")
+        result = monitor.network_status()
+
+        assert result == {"status": "ok"}
+        mock_requests.get.assert_called_once_with(
+            "http://192.168.1.100/cgi-bin/dl_cgi?Command=Get_Comm",
+            timeout=120,
+        )
diff --git a/tests/test_with_sample_data.py b/tests/test_with_sample_data.py
new file mode 100755
index 0000000..48724bd
--- /dev/null
+++ b/tests/test_with_sample_data.py
@@ -0,0 +1,190 @@
+#!/usr/bin/env python3
+"""
+Test SunPower integration with sample data.
+This script uses the sample device_list.json to test integration logic
+without requiring a real PVS connection.
+"""
+
+import json
+import os
+import sys
+
+# Add the custom_components directory to Python path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "custom_components"))
+
+from unittest.mock import Mock  # noqa: E402
+
+from sunpower import (  # noqa: E402
+    convert_sunpower_data,
+    sunpower_fetch,
+)
+from sunpower.sunpower import SunPowerMonitor  # noqa: E402
+
+
+def load_sample_data():
+    """Load the sample device list data."""
+    sample_file = os.path.join(os.path.dirname(__file__), "samples", "device_list.json")
+
+    if not os.path.exists(sample_file):
+        print("❌ Sample file not found: samples/device_list.json")
+        return None
+
+    with open(sample_file, "r") as f:
+        return json.load(f)
+
+
+def test_data_processing():
+    """Test data processing with sample data."""
+    print("🧪 Testing SunPower Integration with Sample Data")
+    print("=" * 50)
+
+    # Load sample data
+    sample_data = load_sample_data()
+    if not sample_data:
+        return
+
+    print(f"✅ Loaded sample data with {len(sample_data.get('devices', []))} devices")
+
+    print("\n1. Testing data conversion...")
+
+    # Test data conversion
+    converted_data = convert_sunpower_data(sample_data)
+    print("✅ Data conversion successful")
+    print(f"📊 Device types found: {list(converted_data.keys())}")
+
+    # Show detailed breakdown
+    print("\n2. Device breakdown:")
+    total_devices = 0
+    for device_type, devices in converted_data.items():
+        count = len(devices)
+        total_devices += count
+        print(f"  - {device_type}: {count} devices")
+
+        if devices:
+            # Show sample device info
+            sample_device = next(iter(devices.values()))
+            print(f"    Serial example: {sample_device.get('SERIAL', 'Unknown')}")
+            print(f"    Model example: {sample_device.get('MODEL', 'Unknown')}")
+            print(f"    State example: {sample_device.get('STATE', 'Unknown')}")
+
+            # Show available fields
+            field_count = len(sample_device.keys())
+            sample_fields = list(sample_device.keys())[:6]  # First 6 fields
+            print(f"    Fields ({field_count} total): {sample_fields}")
+            print()
+
+    print(f"📈 Total devices processed: {total_devices}")
+
+    print("\n3. Testing sensor mapping...")
+
+    # Test sensor mapping by checking if key fields are available
+    from sunpower.const import (  # noqa: E402
+        SUNPOWER_SENSORS,
+        SUNVAULT_SENSORS,
+    )
+
+    # Combine all sensors
+    all_sensors = {**SUNPOWER_SENSORS}
+    if any("ESS" in device_type for device_type in converted_data.keys()):
+        all_sensors.update(SUNVAULT_SENSORS)
+        print("✅ ESS devices detected - SunVault sensors will be included")
+    else:
+        print("ℹ️  No ESS devices - SunVault sensors not needed")
+
+    # Check sensor field availability
+    sensor_compatibility = {}
+    for device_type, type_config in all_sensors.items():
+        if device_type in converted_data:
+            devices = converted_data[device_type]
+            if devices:
+                sample_device = next(iter(devices.values()))
+                sensors = type_config["sensors"]
+
+                available_fields = []
+                missing_fields = []
+
+                for _sensor_name, sensor_config in sensors.items():
+                    field = sensor_config["field"]
+                    if field in sample_device:
+                        available_fields.append(field)
+                    else:
+                        missing_fields.append(field)
+
+                sensor_compatibility[device_type] = {
+                    "available": len(available_fields),
+                    "missing": len(missing_fields),
+                    "total": len(sensors),
+                    "missing_fields": missing_fields[:3],  # Show first 3 missing
+                }
+
+    print("\n4. Sensor field compatibility:")
+    for device_type, stats in sensor_compatibility.items():
+        available = stats["available"]
+        total = stats["total"]
+        percentage = (available / total * 100) if total > 0 else 0
+        print(f"  - {device_type}: {available}/{total} fields available ({percentage:.1f}%)")
+
+        if stats["missing"] > 0:
+            missing_sample = stats["missing_fields"]
+            print(f"    Missing examples: {missing_sample}")
+
+    print("\n5. Testing virtual meter creation...")
+
+    # Check if virtual meter was created
+    if "Power Meter" in converted_data:
+        meters = converted_data["Power Meter"]
+        virtual_meters = [m for serial, m in meters.items() if m.get("origin") == "virtual"]
+
+        if virtual_meters:
+            print(f"✅ Virtual meter created: {len(virtual_meters)} virtual meter(s)")
+            vm = virtual_meters[0]
+            print(f"  - Serial: {vm.get('SERIAL')}")
+            print(f"  - Type: {vm.get('TYPE')}")
+            print(f"  - Model: {vm.get('MODEL')}")
+            print(f"  - Power: {vm.get('p_3phsum_kw', 'N/A')} kW")
+            print(f"  - Energy: {vm.get('net_ltea_3phsum_kwh', 'N/A')} kWh")
+        else:
+            print("⚠️  No virtual meter found")
+    else:
+        print("⚠️  No power meters found")
+
+    print("\n6. Testing mock data fetch...")
+
+    # Create a mock monitor that returns our sample data
+    mock_monitor = Mock(spec=SunPowerMonitor)
+    mock_monitor.device_list.return_value = sample_data
+    mock_monitor.energy_storage_system_status.return_value = {"result": "sample"}
+
+    # Test the sunpower_fetch function
+    entry_id = "test_sample_entry"
+    try:
+        fetch_data = sunpower_fetch(mock_monitor, 120, 60, entry_id)
+
+        if fetch_data:
+            print("✅ Data fetch function successful")
+            print(f"📊 Fetched data keys: {list(fetch_data.keys())}")
+
+            # Compare with direct conversion
+            total_devices_fetch = sum(len(devices) for devices in fetch_data.values())
+            print(f"📈 Total devices from fetch: {total_devices_fetch}")
+
+            if total_devices_fetch == total_devices:
+                print("✅ Data consistency check passed")
+            else:
+                print("⚠️  Data count mismatch between methods")
+        else:
+            print("❌ Data fetch returned None")
+
+    except Exception as e:
+        print(f"❌ Data fetch failed: {e}")
+
+    print("\n🎉 Sample data testing completed!")
+    print("\n💡 This validates that:")
+    print("   - Data conversion logic works correctly")
+    print("   - Sensor field mapping is compatible")
+    print("   - Virtual meter creation functions")
+    print("   - Core integration logic is sound")
+
+
+if __name__ == "__main__":
+    test_data_processing()