diff --git a/core/site.go b/core/site.go
index 714d60efe..f69a0dcc3 100644
--- a/core/site.go
+++ b/core/site.go
@@ -226,6 +226,7 @@ func NewSite() *Site {
 		log:          util.NewLogger("site"),
 		publishCache: make(map[string]any),
 		Voltage:      230, // V
+		batteryMode:  api.BatteryNormal,
 	}
 
 	return lp