diff --git a/data/calculate-carbon-intensity.js b/data/calculate-carbon-intensity.js
index 383f556f..4a575c4c 100644
--- a/data/calculate-carbon-intensity.js
+++ b/data/calculate-carbon-intensity.js
@@ -1,4 +1,5 @@
 import _includes from 'lodash/includes'
+import { isBefore } from 'date-fns';
 import * as FT from '@/constants/energy-fuel-techs/group-detailed.js'
 
 function calAverage(isEnergyType, isWemOrAu, dataset) {
@@ -33,7 +34,8 @@ export default function({
   powerEnergyDomains,
   domainPowerEnergy,
   isEnergyType,
-  isWemOrAu
+  isWemOrAu,
+  regionId
 }) {
 
   /**
@@ -142,6 +144,15 @@ export default function({
     return obj
   })
 
+  // nulled out EI data before jan 2009 and only for nem regions (exclude nem, au and wem)
+  if (regionId !== 'nem' && regionId !== 'au' && regionId !== 'wem') {
+    dataset.forEach(d => {
+      if (isBefore(d.date, new Date(2009, 0, 1))) {
+        d._emissionIntensity = null
+      }
+    })
+  }
+
   const sumEmissionsMinusLoads = dataset.reduce(
     (prev, cur) => prev + cur._totalEmissionsMinusLoads,
     0
@@ -160,6 +171,8 @@ export default function({
     // console.log(`emissions intensity... ${averageEmissions}`, hasSource, sumEmissionsMinusLoads, dataset.length, powerEnergyDomains, emissionsDomains)
   }
 
+  
+
   return {
     emissionIntensityData: dataset,
     averageEmissionIntensity: calAverage(isEnergyType, isWemOrAu, dataset),
diff --git a/data/pages/page-stripes.js b/data/pages/page-stripes.js
index 26c59372..0588e8ff 100644
--- a/data/pages/page-stripes.js
+++ b/data/pages/page-stripes.js
@@ -33,7 +33,8 @@ export async function getRegionCompareData(dataset, regions, interval, filterPer
       domainDemandMarketValue: rData.domainDemandMarketValue,
       domainInflation: rData.inflation ? rData.inflation.domain : null,
       topUp: false,
-      bucket
+      bucket,
+      regionId: region.id
     })
 
     regionData.push({
@@ -89,7 +90,8 @@ export async function getRegionStripesData(fetchFunc, regions) {
           domainDemandMarketValue: rData.domainDemandMarketValue,
           domainInflation: rData.inflation ? rData.inflation.domain : null,
           topUp: false,
-          bucket: allBucket
+          bucket: allBucket,
+          regionId: region.id
         })
       })
     })
@@ -98,7 +100,7 @@ export async function getRegionStripesData(fetchFunc, regions) {
   return regionData
 }
 
-function transformStripesDataset(d) {
+function transformStripesDataset(d, regionId) {
   const data = []
   getEachYearOfInterval.forEach((year, yIndex) => {
     const yearInt = parseInt(year)
@@ -121,7 +123,8 @@ function transformStripesDataset(d) {
           domainDemandMarketValue: d.domainDemandMarketValue,
           domainInflation: d.inflation ? d.inflation.domain : null,
           topUp: true,
-          bucket: getEachDayOfInterval(yearInt)
+          bucket: getEachDayOfInterval(yearInt),
+          regionId
         })
       })
     }
@@ -141,7 +144,7 @@ export function getYearlyStripesData(fetchFunc, regions) {
           resolve({
             region: r.label,
             regionId: r.id,
-            yearlyData: transformStripesDataset(d)
+            yearlyData: transformStripesDataset(d, r.id)
           })
         })
       })
diff --git a/data/transform/energy-to-stripe-metrics.js b/data/transform/energy-to-stripe-metrics.js
index 3fbd0360..4abff570 100644
--- a/data/transform/energy-to-stripe-metrics.js
+++ b/data/transform/energy-to-stripe-metrics.js
@@ -1,6 +1,7 @@
 import startOfQuarter from 'date-fns/startOfQuarter'
 import differenceInDays from 'date-fns/differenceInDays'
 import addDays from 'date-fns/addDays'
+import isBefore from 'date-fns/isBefore'
 import { BATTERY_DISCHARGING } from '@/constants/energy-fuel-techs/group-detailed.js'
 
 export default function ({
@@ -16,7 +17,8 @@ export default function ({
   domainDemandMarketValue,
   domainInflation,
   topUp,
-  bucket
+  bucket,
+  regionId
 }) {
   if (bucket) {
     const data = bucket.map((d) => {
@@ -31,7 +33,8 @@ export default function ({
         domainTemperature,
         domainPrice,
         domainMarketValue,
-        domainInflation
+        domainInflation,
+        regionId
       )
     })
 
@@ -49,7 +52,8 @@ export default function ({
       domainTemperature,
       domainPrice,
       domainMarketValue,
-      domainInflation
+      domainInflation,
+      regionId
     )
   })
 
@@ -104,7 +108,8 @@ function updateMetricObject(
   domainTemperature,
   domainPrice,
   domainMarketValue,
-  domainInflation
+  domainInflation,
+  regionId
 ) {
   if (d) {
     let totalEmissions = 0,
@@ -155,6 +160,7 @@ function updateMetricObject(
       }
     })
 
+    // deprecated
     const totalPowerEnergyMinusBatteryDischarging =
       totalPowerEnergy - totalBatteryDischarging
 
@@ -196,7 +202,17 @@ function updateMetricObject(
       }
     }
 
-    obj.carbonIntensity = isValidEI ? ei : null
+    function setCarbonIntensity(ei, isValidEI) {
+      // nulled out EI data before jan 2009 and only for nem regions (exclude nem, au and wem)
+      const affectedRegions = regionId !== 'nem' && regionId !== 'au' && regionId !== 'wem'
+      if (affectedRegions && isBefore(d.date, new Date(2009, 0, 1))) {
+        return null
+      }
+       
+      return isValidEI ? ei : null
+    }
+
+    obj.carbonIntensity = setCarbonIntensity(ei, isValidEI)
     obj.renewablesProportion =
       d._totalDemandRenewablesPercentage < 0
         ? 0
diff --git a/package-lock.json b/package-lock.json
index 023b1081..3b68ecd5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "opennem",
-  "version": "4.22.4",
+  "version": "4.22.5",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "opennem",
-      "version": "4.22.4",
+      "version": "4.22.5",
       "dependencies": {
         "@nuxtjs/axios": "^5.0.0",
         "@nuxtjs/proxy": "^2.0.1",
diff --git a/package.json b/package.json
index acc9fb82..bf52705a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "opennem",
-  "version": "4.22.4",
+  "version": "4.22.5",
   "description": "An Open Platform for National Electricity Market Data",
   "author": "Steven Tan",
   "private": true,
diff --git a/pages/energy/_region/export.vue b/pages/energy/_region/export.vue
index 46ba20c3..8a77b428 100644
--- a/pages/energy/_region/export.vue
+++ b/pages/energy/_region/export.vue
@@ -224,7 +224,8 @@ export default {
         powerEnergyDomains: this.powerEnergyDomains,
         domainPowerEnergy: this.domainPowerEnergy,
         isEnergyType: this.isEnergyType,
-        isWemOrAu: this.isWemOrAu
+        isWemOrAu: this.isWemOrAu,
+        regionId: this.regionId
       })
     },
 
diff --git a/pages/energy/_region/index.vue b/pages/energy/_region/index.vue
index 5f3b5229..afde8d7b 100644
--- a/pages/energy/_region/index.vue
+++ b/pages/energy/_region/index.vue
@@ -563,7 +563,8 @@ export default {
         powerEnergyDomains: this.powerEnergyDomains,
         domainPowerEnergy: this.domainPowerEnergy,
         isEnergyType: this.isEnergyType,
-        isWemOrAu: this.isWemOrAu
+        isWemOrAu: this.isWemOrAu,
+        regionId: this.regionId
       })
     },
 
diff --git a/store/energy/emissions.js b/store/energy/emissions.js
index 7c256bf3..fb4cb4a6 100644
--- a/store/energy/emissions.js
+++ b/store/energy/emissions.js
@@ -40,7 +40,8 @@ export const actions = {
       powerEnergyDomains,
       domainPowerEnergy,
       isEnergyType,
-      isWemOrAu
+      isWemOrAu,
+      regionId
     }
   ) {
     
@@ -56,7 +57,8 @@ export const actions = {
       powerEnergyDomains,
       domainPowerEnergy,
       isEnergyType,
-      isWemOrAu
+      isWemOrAu,
+      regionId
     })
 
     commit('emissionIntensityData', emissionIntensityData)