diff --git a/build.gradle b/build.gradle
index 9456e6fd..b167ed69 100644
--- a/build.gradle
+++ b/build.gradle
@@ -61,7 +61,7 @@ dependencies{
   }
 
   //PSDM
-  implementation('com.github.ie3-institute:PowerSystemDataModel:5.1.0') {
+  implementation('com.github.ie3-institute:PowerSystemDataModel:6.0.0') {
     exclude group: 'org.apache.logging.log4j'
     exclude group: 'org.slf4j'
     /* Exclude our own nested dependencies */
diff --git a/gradle/scripts/spotless.gradle b/gradle/scripts/spotless.gradle
index 7021b9f2..b72b5d27 100644
--- a/gradle/scripts/spotless.gradle
+++ b/gradle/scripts/spotless.gradle
@@ -20,17 +20,15 @@ spotless {
     licenseHeader "#!groovy\n\n" + ie3LicHead, "////////////////////////////////"
     // the Groovy Eclipse formatter extends the Java Eclipse formatter,
     // so it formats Java files by default (unless `excludeJava` is used).
-    // FIXME rolled back greclipse version https://github.com/diffplug/spotless/issues/1860
-    greclipse('4.27')
-    indentWithSpaces 2
+    greclipse()
+    leadingTabsToSpaces 2
   }
 
   groovyGradle {
     // same as groovy, but for .gradle (defaults to '*.gradle')
     target '*.gradle', 'gradle/scripts/*.gradle'
-    // FIXME rolled back greclipse version https://github.com/diffplug/spotless/issues/1860
-    greclipse('4.27')
-    indentWithSpaces 2
+    greclipse()
+    leadingTabsToSpaces 2
   }
 
   //sets a license header, removes unused imports and formats conforming to the scala fmt formatter
@@ -43,7 +41,7 @@ spotless {
   format 'misc', {
     target '**/.gitignore', 'configs/**'
     trimTrailingWhitespace()
-    indentWithTabs()
+    leadingSpacesToTabs()
     endWithNewline()
   }
 
@@ -51,7 +49,7 @@ spotless {
    * enumerations) */
   format 'md', {
     target '**/*.md'
-    indentWithSpaces 2
+    leadingTabsToSpaces 2
     endWithNewline()
   }
 }
diff --git a/src/main/java/edu/ie3/simona/api/data/results/ExtResultContainer.java b/src/main/java/edu/ie3/simona/api/data/results/ExtResultContainer.java
index 531faf7c..30ad84d1 100644
--- a/src/main/java/edu/ie3/simona/api/data/results/ExtResultContainer.java
+++ b/src/main/java/edu/ie3/simona/api/data/results/ExtResultContainer.java
@@ -8,8 +8,8 @@
 
 import static edu.ie3.util.quantities.PowerSystemUnits.PU;
 
-import edu.ie3.datamodel.models.result.ModelResultEntity;
 import edu.ie3.datamodel.models.result.NodeResult;
+import edu.ie3.datamodel.models.result.ResultEntity;
 import edu.ie3.datamodel.models.result.connector.LineResult;
 import edu.ie3.datamodel.models.result.system.SystemParticipantResult;
 import edu.ie3.simona.api.data.ExtDataContainer;
@@ -32,7 +32,7 @@ public class ExtResultContainer implements ExtDataContainer {
    * Map external id to result from SIMONA ATTENTION: The time stamp of the result entities is not
    * necessarily corresponding to the tick
    */
-  private final Map<String, ModelResultEntity> simonaResultsMap;
+  private final Map<String, ResultEntity> simonaResultsMap;
 
   /**
    * Container class for result data from SIMONA
@@ -42,17 +42,17 @@ public class ExtResultContainer implements ExtDataContainer {
    * @param nextTick tick the external simulation can expect the next results
    */
   public ExtResultContainer(
-      long tick, Map<String, ModelResultEntity> simonaResultsMap, Optional<Long> nextTick) {
+      long tick, Map<String, ResultEntity> simonaResultsMap, Optional<Long> nextTick) {
     this.tick = tick;
     this.simonaResultsMap = simonaResultsMap;
     this.maybeNextTick = nextTick;
   }
 
-  public ExtResultContainer(long tick, Map<String, ModelResultEntity> simonaResultsMap) {
+  public ExtResultContainer(long tick, Map<String, ResultEntity> simonaResultsMap) {
     this(tick, simonaResultsMap, Optional.empty());
   }
 
-  public Map<String, ModelResultEntity> getResults() {
+  public Map<String, ResultEntity> getResults() {
     return simonaResultsMap;
   }
 
diff --git a/src/main/java/edu/ie3/simona/api/data/results/ExtResultDataConnection.java b/src/main/java/edu/ie3/simona/api/data/results/ExtResultDataConnection.java
index de90fa41..a5414e26 100644
--- a/src/main/java/edu/ie3/simona/api/data/results/ExtResultDataConnection.java
+++ b/src/main/java/edu/ie3/simona/api/data/results/ExtResultDataConnection.java
@@ -6,8 +6,8 @@
 
 package edu.ie3.simona.api.data.results;
 
-import edu.ie3.datamodel.models.result.ModelResultEntity;
 import edu.ie3.datamodel.models.result.NodeResult;
+import edu.ie3.datamodel.models.result.ResultEntity;
 import edu.ie3.datamodel.models.result.system.SystemParticipantResult;
 import edu.ie3.simona.api.data.ExtOutputDataConnection;
 import edu.ie3.simona.api.data.ontology.ScheduleDataServiceMessage;
@@ -74,7 +74,7 @@ public List<UUID> getParticipantResultDataAssets() {
   }
 
   /** Method that an external simulation can request results from SIMONA as a list. */
-  private List<ModelResultEntity> requestResultList(long tick) throws InterruptedException {
+  private List<ResultEntity> requestResultList(long tick) throws InterruptedException {
     sendExtMsg(new RequestResultEntities(tick));
     return receiveWithType(ProvideResultEntities.class).results();
   }
@@ -82,12 +82,12 @@ private List<ModelResultEntity> requestResultList(long tick) throws InterruptedE
   /**
    * Method that an external simulation can request results from SIMONA as a map string to object.
    */
-  public Map<String, ModelResultEntity> requestResults(long tick) throws InterruptedException {
+  public Map<String, ResultEntity> requestResults(long tick) throws InterruptedException {
     return createResultMap(requestResultList(tick));
   }
 
-  protected Map<String, ModelResultEntity> createResultMap(List<ModelResultEntity> results) {
-    Map<String, ModelResultEntity> resultMap = new HashMap<>();
+  protected Map<String, ResultEntity> createResultMap(List<ResultEntity> results) {
+    Map<String, ResultEntity> resultMap = new HashMap<>();
     results.forEach(
         result -> {
           if (result instanceof NodeResult nodeResult) {
diff --git a/src/main/java/edu/ie3/simona/api/data/results/ontology/ProvideResultEntities.java b/src/main/java/edu/ie3/simona/api/data/results/ontology/ProvideResultEntities.java
index 525d702c..0c0d003f 100644
--- a/src/main/java/edu/ie3/simona/api/data/results/ontology/ProvideResultEntities.java
+++ b/src/main/java/edu/ie3/simona/api/data/results/ontology/ProvideResultEntities.java
@@ -6,15 +6,15 @@
 
 package edu.ie3.simona.api.data.results.ontology;
 
-import edu.ie3.datamodel.models.result.ModelResultEntity;
+import edu.ie3.datamodel.models.result.ResultEntity;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
 /** Provides a list of results from SIMONA to an external simulation. */
-public record ProvideResultEntities(List<ModelResultEntity> results)
+public record ProvideResultEntities(List<ResultEntity> results)
     implements ResultDataResponseMessageToExt {
-  public ProvideResultEntities(Map<UUID, ModelResultEntity> resultMap) {
+  public ProvideResultEntities(Map<UUID, ResultEntity> resultMap) {
     this(resultMap.values().stream().toList());
   }
 }
diff --git a/src/main/java/edu/ie3/simona/api/simulation/ExtCoSimulation.java b/src/main/java/edu/ie3/simona/api/simulation/ExtCoSimulation.java
index f07ec9bd..76923312 100644
--- a/src/main/java/edu/ie3/simona/api/simulation/ExtCoSimulation.java
+++ b/src/main/java/edu/ie3/simona/api/simulation/ExtCoSimulation.java
@@ -6,7 +6,7 @@
 
 package edu.ie3.simona.api.simulation;
 
-import edu.ie3.datamodel.models.result.ModelResultEntity;
+import edu.ie3.datamodel.models.result.ResultEntity;
 import edu.ie3.datamodel.models.value.Value;
 import edu.ie3.simona.api.data.DataQueueExtSimulationExtSimulator;
 import edu.ie3.simona.api.data.ExtInputDataContainer;
@@ -169,7 +169,7 @@ protected void sendDataToExt(
       ExtResultDataConnection connection, long tick, Optional<Long> maybeNextTick, Logger log)
       throws InterruptedException {
     log.debug("Request results from SIMONA!");
-    Map<String, ModelResultEntity> resultsToBeSend = connection.requestResults(tick);
+    Map<String, ResultEntity> resultsToBeSend = connection.requestResults(tick);
     log.debug("Received results from SIMONA!");
     dataQueueSimonaApiToExtCoSimulator.queueData(
         new ExtResultContainer(tick, resultsToBeSend, maybeNextTick));