diff --git a/homeassistant/components/number/const.py b/homeassistant/components/number/const.py
index 7330b781e75..e182d015101 100644
--- a/homeassistant/components/number/const.py
+++ b/homeassistant/components/number/const.py
@@ -480,7 +480,13 @@ DEVICE_CLASS_UNITS: dict[NumberDeviceClass, set[type[StrEnum] | str | None]] = {
     NumberDeviceClass.PM10: {CONCENTRATION_MICROGRAMS_PER_CUBIC_METER},
     NumberDeviceClass.PM25: {CONCENTRATION_MICROGRAMS_PER_CUBIC_METER},
     NumberDeviceClass.POWER_FACTOR: {PERCENTAGE, None},
-    NumberDeviceClass.POWER: {UnitOfPower.WATT, UnitOfPower.KILO_WATT},
+    NumberDeviceClass.POWER: {
+        UnitOfPower.WATT,
+        UnitOfPower.KILO_WATT,
+        UnitOfPower.MEGA_WATT,
+        UnitOfPower.GIGA_WATT,
+        UnitOfPower.TERA_WATT,
+    },
     NumberDeviceClass.PRECIPITATION: set(UnitOfPrecipitationDepth),
     NumberDeviceClass.PRECIPITATION_INTENSITY: set(UnitOfVolumetricFlux),
     NumberDeviceClass.PRESSURE: set(UnitOfPressure),
diff --git a/homeassistant/components/sensor/const.py b/homeassistant/components/sensor/const.py
index 87012c3631a..1700c7c6ca9 100644
--- a/homeassistant/components/sensor/const.py
+++ b/homeassistant/components/sensor/const.py
@@ -579,7 +579,13 @@ DEVICE_CLASS_UNITS: dict[SensorDeviceClass, set[type[StrEnum] | str | None]] = {
     SensorDeviceClass.PM10: {CONCENTRATION_MICROGRAMS_PER_CUBIC_METER},
     SensorDeviceClass.PM25: {CONCENTRATION_MICROGRAMS_PER_CUBIC_METER},
     SensorDeviceClass.POWER_FACTOR: {PERCENTAGE, None},
-    SensorDeviceClass.POWER: {UnitOfPower.WATT, UnitOfPower.KILO_WATT},
+    SensorDeviceClass.POWER: {
+        UnitOfPower.WATT,
+        UnitOfPower.KILO_WATT,
+        UnitOfPower.MEGA_WATT,
+        UnitOfPower.GIGA_WATT,
+        UnitOfPower.TERA_WATT,
+    },
     SensorDeviceClass.PRECIPITATION: set(UnitOfPrecipitationDepth),
     SensorDeviceClass.PRECIPITATION_INTENSITY: set(UnitOfVolumetricFlux),
     SensorDeviceClass.PRESSURE: set(UnitOfPressure),