diff --git a/homeassistant/components/homewizard/sensor.py b/homeassistant/components/homewizard/sensor.py
index 6462c281346..c27fb2187a1 100644
--- a/homeassistant/components/homewizard/sensor.py
+++ b/homeassistant/components/homewizard/sensor.py
@@ -38,6 +38,7 @@ PARALLEL_UPDATES = 1
 class HomeWizardEntityDescriptionMixin:
     """Mixin values for HomeWizard entities."""
 
+    has_fn: Callable[[Data], bool]
     value_fn: Callable[[Data], float | int | str | None]
 
 
@@ -47,6 +48,8 @@ class HomeWizardSensorEntityDescription(
 ):
     """Class describing HomeWizard sensor entities."""
 
+    enabled_fn: Callable[[Data], bool] = lambda data: True
+
 
 SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
     HomeWizardSensorEntityDescription(
@@ -54,6 +57,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="DSMR version",
         icon="mdi:counter",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.smr_version is not None,
         value_fn=lambda data: data.smr_version,
     ),
     HomeWizardSensorEntityDescription(
@@ -61,6 +65,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Smart meter model",
         icon="mdi:gauge",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.meter_model is not None,
         value_fn=lambda data: data.meter_model,
     ),
     HomeWizardSensorEntityDescription(
@@ -68,6 +73,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Smart meter identifier",
         icon="mdi:alphabetical-variant",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.unique_meter_id is not None,
         value_fn=lambda data: data.unique_meter_id,
     ),
     HomeWizardSensorEntityDescription(
@@ -75,12 +81,14 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Wi-Fi SSID",
         icon="mdi:wifi",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.wifi_ssid is not None,
         value_fn=lambda data: data.wifi_ssid,
     ),
     HomeWizardSensorEntityDescription(
         key="active_tariff",
         name="Active tariff",
         icon="mdi:calendar-clock",
+        has_fn=lambda data: data.active_tariff is not None,
         value_fn=lambda data: (
             None if data.active_tariff is None else str(data.active_tariff)
         ),
@@ -95,6 +103,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
+        has_fn=lambda data: data.wifi_strength is not None,
         value_fn=lambda data: data.wifi_strength,
     ),
     HomeWizardSensorEntityDescription(
@@ -103,7 +112,8 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_import_kwh,
+        has_fn=lambda data: data.total_power_import_kwh is not None,
+        value_fn=lambda data: data.total_power_import_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_import_t1_kwh",
@@ -111,7 +121,8 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_import_t1_kwh,
+        has_fn=lambda data: data.total_power_import_t1_kwh is not None,
+        value_fn=lambda data: data.total_power_import_t1_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_import_t2_kwh",
@@ -119,7 +130,8 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_import_t2_kwh,
+        has_fn=lambda data: data.total_power_import_t2_kwh is not None,
+        value_fn=lambda data: data.total_power_import_t2_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_import_t3_kwh",
@@ -127,7 +139,8 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_import_t3_kwh,
+        has_fn=lambda data: data.total_power_import_t3_kwh is not None,
+        value_fn=lambda data: data.total_power_import_t3_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_import_t4_kwh",
@@ -135,7 +148,8 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_import_t4_kwh,
+        has_fn=lambda data: data.total_power_import_t4_kwh is not None,
+        value_fn=lambda data: data.total_power_import_t4_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_export_kwh",
@@ -143,7 +157,9 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_export_kwh,
+        has_fn=lambda data: data.total_power_export_kwh is not None,
+        enabled_fn=lambda data: data.total_power_export_kwh != 0,
+        value_fn=lambda data: data.total_power_export_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_export_t1_kwh",
@@ -151,7 +167,9 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_export_t1_kwh,
+        has_fn=lambda data: data.total_power_export_t1_kwh is not None,
+        enabled_fn=lambda data: data.total_power_export_t1_kwh != 0,
+        value_fn=lambda data: data.total_power_export_t1_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_export_t2_kwh",
@@ -159,7 +177,9 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_export_t2_kwh,
+        has_fn=lambda data: data.total_power_export_t2_kwh is not None,
+        enabled_fn=lambda data: data.total_power_export_t2_kwh != 0,
+        value_fn=lambda data: data.total_power_export_t2_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_export_t3_kwh",
@@ -167,7 +187,9 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_export_t3_kwh,
+        has_fn=lambda data: data.total_power_export_t3_kwh is not None,
+        enabled_fn=lambda data: data.total_power_export_t3_kwh != 0,
+        value_fn=lambda data: data.total_power_export_t3_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="total_power_export_t4_kwh",
@@ -175,7 +197,9 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
         device_class=SensorDeviceClass.ENERGY,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_power_export_t4_kwh,
+        has_fn=lambda data: data.total_power_export_t4_kwh is not None,
+        enabled_fn=lambda data: data.total_power_export_t4_kwh != 0,
+        value_fn=lambda data: data.total_power_export_t4_kwh or None,
     ),
     HomeWizardSensorEntityDescription(
         key="active_power_w",
@@ -183,6 +207,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
+        has_fn=lambda data: data.active_power_w is not None,
         value_fn=lambda data: data.active_power_w,
     ),
     HomeWizardSensorEntityDescription(
@@ -191,6 +216,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
+        has_fn=lambda data: data.active_power_l1_w is not None,
         value_fn=lambda data: data.active_power_l1_w,
     ),
     HomeWizardSensorEntityDescription(
@@ -199,6 +225,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
+        has_fn=lambda data: data.active_power_l2_w is not None,
         value_fn=lambda data: data.active_power_l2_w,
     ),
     HomeWizardSensorEntityDescription(
@@ -207,6 +234,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
+        has_fn=lambda data: data.active_power_l3_w is not None,
         value_fn=lambda data: data.active_power_l3_w,
     ),
     HomeWizardSensorEntityDescription(
@@ -216,6 +244,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         device_class=SensorDeviceClass.VOLTAGE,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
+        has_fn=lambda data: data.active_voltage_l1_v is not None,
         value_fn=lambda data: data.active_voltage_l1_v,
     ),
     HomeWizardSensorEntityDescription(
@@ -225,6 +254,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         device_class=SensorDeviceClass.VOLTAGE,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
+        has_fn=lambda data: data.active_voltage_l2_v is not None,
         value_fn=lambda data: data.active_voltage_l2_v,
     ),
     HomeWizardSensorEntityDescription(
@@ -234,6 +264,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         device_class=SensorDeviceClass.VOLTAGE,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
+        has_fn=lambda data: data.active_voltage_l3_v is not None,
         value_fn=lambda data: data.active_voltage_l3_v,
     ),
     HomeWizardSensorEntityDescription(
@@ -243,6 +274,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         device_class=SensorDeviceClass.CURRENT,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
+        has_fn=lambda data: data.active_current_l1_a is not None,
         value_fn=lambda data: data.active_current_l1_a,
     ),
     HomeWizardSensorEntityDescription(
@@ -252,6 +284,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         device_class=SensorDeviceClass.CURRENT,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
+        has_fn=lambda data: data.active_current_l2_a is not None,
         value_fn=lambda data: data.active_current_l2_a,
     ),
     HomeWizardSensorEntityDescription(
@@ -261,6 +294,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         device_class=SensorDeviceClass.CURRENT,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
+        has_fn=lambda data: data.active_current_l3_a is not None,
         value_fn=lambda data: data.active_current_l3_a,
     ),
     HomeWizardSensorEntityDescription(
@@ -270,6 +304,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         device_class=SensorDeviceClass.FREQUENCY,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
+        has_fn=lambda data: data.active_frequency_hz is not None,
         value_fn=lambda data: data.active_frequency_hz,
     ),
     HomeWizardSensorEntityDescription(
@@ -277,6 +312,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Voltage sags detected L1",
         icon="mdi:alert",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.voltage_sag_l1_count is not None,
         value_fn=lambda data: data.voltage_sag_l1_count,
     ),
     HomeWizardSensorEntityDescription(
@@ -284,6 +320,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Voltage sags detected L2",
         icon="mdi:alert",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.voltage_sag_l2_count is not None,
         value_fn=lambda data: data.voltage_sag_l2_count,
     ),
     HomeWizardSensorEntityDescription(
@@ -291,6 +328,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Voltage sags detected L3",
         icon="mdi:alert",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.voltage_sag_l3_count is not None,
         value_fn=lambda data: data.voltage_sag_l3_count,
     ),
     HomeWizardSensorEntityDescription(
@@ -298,6 +336,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Voltage swells detected L1",
         icon="mdi:alert",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.voltage_swell_l1_count is not None,
         value_fn=lambda data: data.voltage_swell_l1_count,
     ),
     HomeWizardSensorEntityDescription(
@@ -305,6 +344,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Voltage swells detected L2",
         icon="mdi:alert",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.voltage_swell_l2_count is not None,
         value_fn=lambda data: data.voltage_swell_l2_count,
     ),
     HomeWizardSensorEntityDescription(
@@ -312,6 +352,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Voltage swells detected L3",
         icon="mdi:alert",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.voltage_swell_l3_count is not None,
         value_fn=lambda data: data.voltage_swell_l3_count,
     ),
     HomeWizardSensorEntityDescription(
@@ -319,6 +360,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Power failures detected",
         icon="mdi:transmission-tower-off",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.any_power_fail_count is not None,
         value_fn=lambda data: data.any_power_fail_count,
     ),
     HomeWizardSensorEntityDescription(
@@ -326,6 +368,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Long power failures detected",
         icon="mdi:transmission-tower-off",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.long_power_fail_count is not None,
         value_fn=lambda data: data.long_power_fail_count,
     ),
     HomeWizardSensorEntityDescription(
@@ -333,6 +376,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Active average demand",
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
+        has_fn=lambda data: data.active_power_average_w is not None,
         value_fn=lambda data: data.active_power_average_w,
     ),
     HomeWizardSensorEntityDescription(
@@ -340,6 +384,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         name="Peak demand current month",
         native_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
+        has_fn=lambda data: data.monthly_power_peak_w is not None,
         value_fn=lambda data: data.monthly_power_peak_w,
     ),
     HomeWizardSensorEntityDescription(
@@ -348,13 +393,15 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement=UnitOfVolume.CUBIC_METERS,
         device_class=SensorDeviceClass.GAS,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_gas_m3,
+        has_fn=lambda data: data.total_gas_m3 is not None,
+        value_fn=lambda data: data.total_gas_m3 or None,
     ),
     HomeWizardSensorEntityDescription(
         key="gas_unique_id",
         name="Gas meter identifier",
         icon="mdi:alphabetical-variant",
         entity_category=EntityCategory.DIAGNOSTIC,
+        has_fn=lambda data: data.gas_unique_id is not None,
         value_fn=lambda data: data.gas_unique_id,
     ),
     HomeWizardSensorEntityDescription(
@@ -363,6 +410,7 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         native_unit_of_measurement="l/min",
         icon="mdi:water",
         state_class=SensorStateClass.MEASUREMENT,
+        has_fn=lambda data: data.active_liter_lpm is not None,
         value_fn=lambda data: data.active_liter_lpm,
     ),
     HomeWizardSensorEntityDescription(
@@ -372,7 +420,8 @@ SENSORS: Final[tuple[HomeWizardSensorEntityDescription, ...]] = (
         icon="mdi:gauge",
         device_class=SensorDeviceClass.WATER,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        value_fn=lambda data: data.total_liter_m3,
+        has_fn=lambda data: data.total_liter_m3 is not None,
+        value_fn=lambda data: data.total_liter_m3 or None,
     ),
 )
 
@@ -386,7 +435,7 @@ async def async_setup_entry(
     async_add_entities(
         HomeWizardSensorEntity(coordinator, entry, description)
         for description in SENSORS
-        if description.value_fn(coordinator.data.data) is not None
+        if description.has_fn(coordinator.data.data)
     )
 
 
@@ -405,20 +454,7 @@ class HomeWizardSensorEntity(HomeWizardEntity, SensorEntity):
         super().__init__(coordinator)
         self.entity_description = description
         self._attr_unique_id = f"{entry.unique_id}_{description.key}"
-
-        # Special case for export, not everyone has solar panels
-        # The chance that 'export' is non-zero when you have solar panels is nil
-        if (
-            description.key
-            in [
-                "total_power_export_kwh",
-                "total_power_export_t1_kwh",
-                "total_power_export_t2_kwh",
-                "total_power_export_t3_kwh",
-                "total_power_export_t4_kwh",
-            ]
-            and self.native_value == 0
-        ):
+        if not description.enabled_fn(self.coordinator.data.data):
             self._attr_entity_registry_enabled_default = False
 
     @property