diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41485616d3..e047fdb7d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -56,6 +56,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Refactored method to handle feed in within `ThermalGrid` [#1554](https://github.com/ie3-institute/simona/issues/1554)
 - Generalize `WeatherSeriesData` to `SecondarySeriesData` [#1584](https://github.com/ie3-institute/simona/issues/1584)
 - Enhance `EnergyPrice` squants [#1583](https://github.com/ie3-institute/simona/issues/1583)
+- Chnaged reactive power of EVs in EvcsModel according to simonaAPI [#1250](https://github.com/ie3-institute/simona/issues/1250)
 
 ### Fixed
 - Fixes in Documentation, ScalaDocs, Code Style and more [#1397](https://github.com/ie3-institute/simona/issues/1397)
diff --git a/build.gradle b/build.gradle
index 8edb1dcc30..20f9a6e5cc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -92,7 +92,7 @@ dependencies {
     exclude group: 'edu.ie3'
   }
 
-  implementation('com.github.ie3-institute:simonaAPI:0.11.0') {
+  implementation('com.github.ie3-institute:simonaAPI:0.12.0') {
     exclude group: 'org.apache.logging.log4j'
     exclude group: 'org.slf4j'
     /* Exclude our own nested dependencies */
diff --git a/src/main/scala/edu/ie3/simona/model/participant/evcs/EvModelWrapper.scala b/src/main/scala/edu/ie3/simona/model/participant/evcs/EvModelWrapper.scala
index 601078bc1d..4c6ed2cbf6 100644
--- a/src/main/scala/edu/ie3/simona/model/participant/evcs/EvModelWrapper.scala
+++ b/src/main/scala/edu/ie3/simona/model/participant/evcs/EvModelWrapper.scala
@@ -35,7 +35,8 @@ final case class EvModelWrapper(
   def uuid: UUID = original.getUuid
   def id: String = original.getId
 
-  lazy val pRatedAc: Power = original.getPRatedAC.toSquants
+  lazy val sRatedAc: Power = original.getSRatedAC.toSquants
+  lazy val cosPhiRated: Double = original.getCosPhiRated
   lazy val pRatedDc: Power = original.getPRatedDC.toSquants
   lazy val eStorage: Energy = original.getEStorage.toSquants
 
diff --git a/src/main/scala/edu/ie3/simona/model/participant/evcs/EvcsChargingProperties.scala b/src/main/scala/edu/ie3/simona/model/participant/evcs/EvcsChargingProperties.scala
index 024f847e62..37512814fe 100644
--- a/src/main/scala/edu/ie3/simona/model/participant/evcs/EvcsChargingProperties.scala
+++ b/src/main/scala/edu/ie3/simona/model/participant/evcs/EvcsChargingProperties.scala
@@ -39,7 +39,7 @@ trait EvcsChargingProperties {
   ): Power = {
     val evPower = currentType match {
       case ElectricCurrentType.AC =>
-        ev.pRatedAc
+        ev.sRatedAc * ev.cosPhiRated
       case ElectricCurrentType.DC =>
         ev.pRatedDc
     }