diff --git a/homeassistant/components/homewizard/sensor.py b/homeassistant/components/homewizard/sensor.py
index c98a8fa05b4..84aa58f2d27 100644
--- a/homeassistant/components/homewizard/sensor.py
+++ b/homeassistant/components/homewizard/sensor.py
@@ -208,6 +208,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
         has_fn=lambda data: data.active_power_w is not None,
         value_fn=lambda data: data.active_power_w,
     ),
@@ -217,6 +218,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
         has_fn=lambda data: data.active_power_l1_w is not None,
         value_fn=lambda data: data.active_power_l1_w,
     ),
@@ -226,6 +228,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
         has_fn=lambda data: data.active_power_l2_w is not None,
         value_fn=lambda data: data.active_power_l2_w,
     ),
@@ -235,6 +238,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
         has_fn=lambda data: data.active_power_l3_w is not None,
         value_fn=lambda data: data.active_power_l3_w,
     ),
diff --git a/tests/components/homewizard/snapshots/test_sensor.ambr b/tests/components/homewizard/snapshots/test_sensor.ambr
index 930652ed513..176e10d219c 100644
--- a/tests/components/homewizard/snapshots/test_sensor.ambr
+++ b/tests/components/homewizard/snapshots/test_sensor.ambr
@@ -449,6 +449,9 @@
     'id': <ANY>,
     'name': None,
     'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 0,
+      }),
     }),
     'original_device_class': <SensorDeviceClass.POWER: 'power'>,
     'original_icon': None,
@@ -529,6 +532,9 @@
     'id': <ANY>,
     'name': None,
     'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 0,
+      }),
     }),
     'original_device_class': <SensorDeviceClass.POWER: 'power'>,
     'original_icon': None,
@@ -609,6 +615,9 @@
     'id': <ANY>,
     'name': None,
     'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 0,
+      }),
     }),
     'original_device_class': <SensorDeviceClass.POWER: 'power'>,
     'original_icon': None,
@@ -689,6 +698,9 @@
     'id': <ANY>,
     'name': None,
     'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 0,
+      }),
     }),
     'original_device_class': <SensorDeviceClass.POWER: 'power'>,
     'original_icon': None,