diff --git a/home-assistant/src/sensor/device_classes/power.rs b/home-assistant/src/sensor/device_classes/power.rs
index fd51099..f624873 100644
--- a/home-assistant/src/sensor/device_classes/power.rs
+++ b/home-assistant/src/sensor/device_classes/power.rs
@@ -52,7 +52,7 @@ pub fn signal<'py>(
     ),
     CreateSignalError,
 > {
-    let entity_id = EntityId(Domain::Light, object_id);
+    let entity_id = EntityId(Domain::Sensor, object_id);
 
     let (signal, task1) =
         StateObject::<FromPyObjectViaParse<f64>, PowerSensorAttributes, Py<PyAny>>::signal(