diff --git a/hosts/fw/modules/home-assistant/electricity.nix b/hosts/fw/modules/home-assistant/electricity.nix
index bf92b52..3698843 100644
--- a/hosts/fw/modules/home-assistant/electricity.nix
+++ b/hosts/fw/modules/home-assistant/electricity.nix
@@ -18,8 +18,12 @@ in {
             friendly_name = "Current Price of electricity";
             unit_of_measurement = "EUR/kWh";
             value_template = ''
-              {{ ((states('sensor.epex_spot_data_price') | int ) + (0.0149 + 0.074 + 0.007 + 0.0074 + 0.0006)) | float }}
+              {{ ((states('sensor.epex_spot_data_price') | float ) + (0.0149 + 0.074 + 0.007 + 0.0074 + 0.0006)) | float }}
             '';
+            entity_id = [
+              "sensor.epex_spot_data_price"
+              "sensor.time"
+            ];
           };
         };
       }