diff --git a/homeassistant/components/zha/sensor.py b/homeassistant/components/zha/sensor.py
index b9a86b79063..3c3aba919ed 100644
--- a/homeassistant/components/zha/sensor.py
+++ b/homeassistant/components/zha/sensor.py
@@ -214,6 +214,7 @@ class ElectricalMeasurement(Sensor):
 
     SENSOR_ATTR = "active_power"
     _device_class = DEVICE_CLASS_POWER
+    _state_class = STATE_CLASS_MEASUREMENT
     _unit = POWER_WATT
 
     @property