diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56c77141e1..866a9ee253 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Adapted `ParticipantAgent` for scala 3 [#1420](https://github.com/ie3-institute/simona/issues/1420)
 - Adapted `EmAgent` for scala 3 [#1415](https://github.com/ie3-institute/simona/issues/1415)
 - Updated Version within `CITATION.cff` [#1425](https://github.com/ie3-institute/simona/issues/1425)
+- Set Institute as first author within `CITATION.cff` [#1427](https://github.com/ie3-institute/simona/issues/1427)
 
 ### Fixed
 - Fixes in Documentation, ScalaDocs, Code Style and more [#1397](https://github.com/ie3-institute/simona/issues/1397)
diff --git a/CITATION.cff b/CITATION.cff
index f0946e358a..5eb67ec81c 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -1,8 +1,15 @@
-cff-version: 1.3.0
+cff-version: 1.4.0
 title: "SIMONA - A Discrete-Event Distribution Grid Simulation Environment"
 message: "If you use this software, please cite it as below."
 type: software
 authors:
+  - name: "ie³ - Institute of Energy Systems, Energy Efficiency and Energy Economics - TU Dortmund University"
+    alias: ie³
+    address: "Martin-Schmeißer-Weg 12"
+    city: Dortmund
+    country: DE
+    post-code: 44227
+    website: "https://ie3.etit.tu-dortmund.de/"
   - family-names: Hiry
     given-names: Johannes
     orcid: https://orcid.org/0000-0002-1447-0607
@@ -28,6 +35,7 @@ authors:
     given-names: Julian
   - family-names: Staudt
     given-names: Marius
+    orcid: https://orcid.org/0009-0005-3309-5258
 repository-code: https://github.com/ie3-institute/simona
 url: https://simona.ie3.e-technik.tu-dortmund.de
 repository-artifact: https://central.sonatype.com/artifact/com.github.ie3-institute/simona