diff --git a/csharp/App/SaliMax/src/Ess/EssMode.cs b/csharp/App/SaliMax/src/Ess/EssMode.cs
index da0f71012..08246ae77 100644
--- a/csharp/App/SaliMax/src/Ess/EssMode.cs
+++ b/csharp/App/SaliMax/src/Ess/EssMode.cs
@@ -3,6 +3,7 @@ namespace InnovEnergy.App.SaliMax.Ess;
 public enum EssMode
 {
     Off,
+    OffGrid,
     HeatBatteries,
     CalibrationCharge,
     ReachMinSoc,