diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a39a785c0..687660a7c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,6 +44,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Introduce ThermalDemandWrapper [#1049](https://github.com/ie3-institute/simona/issues/1049)
 - Added Marius Staudt to list of reviewers [#1057](https://github.com/ie3-institute/simona/issues/1057)
 - Throw exception if the slack node is not directly conected to a transformer. [#525](https://github.com/ie3-institute/simona/issues/525)
+- Use ValidationUtils for ThermalGrids [#1117](https://github.com/ie3-institute/simona/issues/1117)
 
 ### Changed
 - Adapted to changed data source in PSDM [#435](https://github.com/ie3-institute/simona/issues/435)
diff --git a/src/main/scala/edu/ie3/simona/agent/participant/hp/HpAgentFundamentals.scala b/src/main/scala/edu/ie3/simona/agent/participant/hp/HpAgentFundamentals.scala
index 534126b986..086f85fb14 100644
--- a/src/main/scala/edu/ie3/simona/agent/participant/hp/HpAgentFundamentals.scala
+++ b/src/main/scala/edu/ie3/simona/agent/participant/hp/HpAgentFundamentals.scala
@@ -11,6 +11,7 @@ import edu.ie3.datamodel.models.result.system.{
   HpResult,
   SystemParticipantResult,
 }
+import edu.ie3.datamodel.utils.validation.ValidationUtils
 import edu.ie3.simona.agent.ValueStore
 import edu.ie3.simona.agent.participant.ParticipantAgent.getAndCheckNodalVoltage
 import edu.ie3.simona.agent.participant.ParticipantAgentFundamentals
@@ -456,6 +457,7 @@ trait HpAgentFundamentals
         s"Unable to initialize heat pump agent '${inputModel.electricalInputModel.getUuid}' without thermal grid model."
       )
     case WithHeatInputContainer(_, thermalGrid) =>
+      ValidationUtils.check(thermalGrid)
       /* Build the actual heat pump model */
       HpModel(
         inputModel.electricalInputModel,