diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72df5515ec..216d239639 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -156,6 +156,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Changed format of example grid `vn_simona` [#216](https://github.com/ie3-institute/simona/issues/216)
 - Renamed ChpData to ChpRelevantData [#494](https://github.com/ie3-institute/simona/issues/494)
 - Updated gradle to 8.2.1, cleaned up `build.gradle` and `Jenkinsfile` [#572](https://github.com/ie3-institute/simona/issues/572)
+- Changed implementation of actor naming for unique name generation [#103](https://github.com/ie3-institute/simona/issues/103)
 
 ### Fixed
 - Location of `vn_simona` test grid (was partially in Berlin and Dortmund) [#72](https://github.com/ie3-institute/simona/issues/72)
diff --git a/src/main/scala/edu/ie3/simona/actor/SimonaActorNaming.scala b/src/main/scala/edu/ie3/simona/actor/SimonaActorNaming.scala
index 6aeeaf093c..fed8f600f3 100644
--- a/src/main/scala/edu/ie3/simona/actor/SimonaActorNaming.scala
+++ b/src/main/scala/edu/ie3/simona/actor/SimonaActorNaming.scala
@@ -10,7 +10,7 @@ import org.apache.pekko.actor.typed.ActorRef
 import org.apache.pekko.actor.typed.scaladsl.adapter.TypedActorRefOps
 import org.apache.pekko.actor.{ActorRefFactory, Props, ActorRef => ClassicRef}
 
-import java.util.UUID
+import scala.util.Random
 
 object SimonaActorNaming {
 
@@ -18,21 +18,20 @@ object SimonaActorNaming {
       extends AnyVal {
 
     def simonaActorOf(props: Props, actorId: String): ClassicRef =
-      refFactory.actorOf(props, actorName(props, actorId))
-
-    def simonaActorOf(props: Props): ClassicRef =
-      refFactory.actorOf(props, actorName(props, simonaActorUuid))
+      refFactory.actorOf(props, actorName(props, simonaActorId(actorId)))
   }
 
-  /** Constructs a uuid and cuts it down to 6 digits for convenience. Although
-    * this is dangerous as duplicates might be possible, it should be sufficient
-    * in our case as the uniqueness is only required in one actor system
+  /** Constructs an Id for convenience actor naming. Although this is dangerous
+    * as duplicates might be possible, it should be sufficient in our case as
+    * the uniqueness is only required in one actor system
     *
     * @return
-    *   a shortened uuid string
+    *   an Id string
     */
-  private def simonaActorUuid: String =
-    UUID.randomUUID().toString.substring(0, 5)
+  private def simonaActorId(actorId: String): String = {
+    val randomNumber = Random.nextInt(1000).toString
+    s"$actorId-$randomNumber"
+  }
 
   /** Constructs an actor name based on the simona convention for actor names.
     * The provided combination of class and id has to be unique for the whole
diff --git a/src/main/scala/edu/ie3/simona/agent/grid/GridAgentController.scala b/src/main/scala/edu/ie3/simona/agent/grid/GridAgentController.scala
index 393e7417e7..5ebfefa55b 100644
--- a/src/main/scala/edu/ie3/simona/agent/grid/GridAgentController.scala
+++ b/src/main/scala/edu/ie3/simona/agent/grid/GridAgentController.scala
@@ -678,7 +678,8 @@ class GridAgentController(
             maybeControllingEm,
           ),
           listener.map(_.toClassic),
-        )
+        ),
+        evcsInput.getId,
       )
       .toTyped
 
diff --git a/src/main/scala/edu/ie3/simona/sim/setup/SimonaStandaloneSetup.scala b/src/main/scala/edu/ie3/simona/sim/setup/SimonaStandaloneSetup.scala
index 32711a4a3d..29f2bb7240 100644
--- a/src/main/scala/edu/ie3/simona/sim/setup/SimonaStandaloneSetup.scala
+++ b/src/main/scala/edu/ie3/simona/sim/setup/SimonaStandaloneSetup.scala
@@ -160,7 +160,8 @@ class SimonaStandaloneSetup(
           simulationStart,
         ),
         simulationStart,
-      )
+      ),
+      "primaryServiceProxyAgent",
     )
 
     scheduler ! ScheduleActivation(primaryServiceProxy.toTyped, INIT_SIM_TICK)
@@ -178,7 +179,8 @@ class SimonaStandaloneSetup(
           .toZonedDateTime(simonaConfig.simona.time.startDateTime),
         TimeUtil.withDefaults
           .toZonedDateTime(simonaConfig.simona.time.endDateTime),
-      )
+      ),
+      "weatherAgent",
     )
     weatherService ! SimonaService.Create(
       InitWeatherServiceStateData(