diff --git a/homeassistant/components/number/const.py b/homeassistant/components/number/const.py
index 5a2f4c8675c..47158826e75 100644
--- a/homeassistant/components/number/const.py
+++ b/homeassistant/components/number/const.py
@@ -467,7 +467,13 @@ 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 4d0454cbff3..a2e3cb52173 100644
--- a/homeassistant/components/sensor/const.py
+++ b/homeassistant/components/sensor/const.py
@@ -561,7 +561,13 @@ 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),