From eae748dd180f3a68e8cb72ec600aac29a02eb100 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Dias?= <andre@tiko.org>
Date: Mon, 5 Oct 2026 13:02:10 +0100
Subject: [PATCH] Add power sensors for Netatmo dimmers (#184107)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
---
 .../components/netatmo/coordinator.py         |   5 +-
 homeassistant/components/netatmo/sensor.py    |   2 +
 .../netatmo/snapshots/test_sensor.ambr        | 110 ++++++++++++++++++
 3 files changed, 116 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/netatmo/coordinator.py b/homeassistant/components/netatmo/coordinator.py
index 7ab2370d8412..9f6517384f87 100644
--- a/homeassistant/components/netatmo/coordinator.py
+++ b/homeassistant/components/netatmo/coordinator.py
@@ -444,7 +444,10 @@ class NetatmoDataHandler:
                 NETATMO_CREATE_CAMERA,
                 NETATMO_CREATE_CAMERA_LIGHT,
             ],
-            NetatmoDeviceCategory.dimmer: [NETATMO_CREATE_LIGHT],
+            NetatmoDeviceCategory.dimmer: [
+                NETATMO_CREATE_LIGHT,
+                NETATMO_CREATE_LEGACY_SENSOR,
+            ],
             NetatmoDeviceCategory.shutter: [
                 NETATMO_CREATE_COVER,
                 NETATMO_CREATE_BUTTON,
diff --git a/homeassistant/components/netatmo/sensor.py b/homeassistant/components/netatmo/sensor.py
index 8930f44347dd..0c4e68f35c59 100644
--- a/homeassistant/components/netatmo/sensor.py
+++ b/homeassistant/components/netatmo/sensor.py
@@ -462,6 +462,7 @@ DEVICE_CATEGORY_LEGACY_SENSORS: Final[
 ] = {
     NetatmoDeviceCategory.meter: NETATMO_WEATHER_SENSOR_DESCRIPTIONS,
     NetatmoDeviceCategory.switch: NETATMO_WEATHER_SENSOR_DESCRIPTIONS,
+    NetatmoDeviceCategory.dimmer: NETATMO_WEATHER_SENSOR_DESCRIPTIONS,
     NetatmoDeviceCategory.climate: NETATMO_WEATHER_SENSOR_DESCRIPTIONS,
 }
 
@@ -470,6 +471,7 @@ DEVICE_CATEGORY_SENSOR_URLS: Final[dict[NetatmoDeviceCategory, str]] = {
     NetatmoDeviceCategory.meter: CONF_URL_ENERGY,
     NetatmoDeviceCategory.opening: CONF_URL_SECURITY,
     NetatmoDeviceCategory.switch: CONF_URL_CONTROL,
+    NetatmoDeviceCategory.dimmer: CONF_URL_CONTROL,
 }
 
 
diff --git a/tests/components/netatmo/snapshots/test_sensor.ambr b/tests/components/netatmo/snapshots/test_sensor.ambr
index 9206611984a9..ba78a90878d2 100644
--- a/tests/components/netatmo/snapshots/test_sensor.ambr
+++ b/tests/components/netatmo/snapshots/test_sensor.ambr
@@ -5720,6 +5720,116 @@
     'state': 'True',
   })
 # ---
+# name: test_entity[sensor.unknown_00_11_22_33_00_11_45_fe-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': list([
+      None,
+    ]),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': <EntityCategory.DIAGNOSTIC: 'diagnostic'>,
+    'entity_id': 'sensor.unknown_00_11_22_33_00_11_45_fe',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': None,
+    'platform': 'netatmo',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '00:11:22:33:00:11:45:fe-00:11:22:33:00:11:45:fe-reachable',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_entity[sensor.unknown_00_11_22_33_00_11_45_fe-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      <EntityStateAttribute.ATTRIBUTION: 'attribution'>: 'Data provided by Netatmo',
+      <EntityStateAttribute.FRIENDLY_NAME: 'friendly_name'>: 'Unknown 00:11:22:33:00:11:45:fe',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.unknown_00_11_22_33_00_11_45_fe',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'True',
+  })
+# ---
+# name: test_entity[sensor.unknown_00_11_22_33_00_11_45_fe_power-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': list([
+      None,
+    ]),
+    'area_id': None,
+    'capabilities': dict({
+      <SensorEntityCapabilityAttribute.STATE_CLASS: 'state_class'>: <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.unknown_00_11_22_33_00_11_45_fe_power',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': 'Power',
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 0,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.POWER: 'power'>,
+    'original_icon': None,
+    'original_name': 'Power',
+    'platform': 'netatmo',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '00:11:22:33:00:11:45:fe-00:11:22:33:00:11:45:fe-power',
+    'unit_of_measurement': <UnitOfPower.WATT: 'W'>,
+  })
+# ---
+# name: test_entity[sensor.unknown_00_11_22_33_00_11_45_fe_power-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      <EntityStateAttribute.ATTRIBUTION: 'attribution'>: 'Data provided by Netatmo',
+      <EntityStateAttribute.DEVICE_CLASS: 'device_class'>: 'power',
+      <EntityStateAttribute.FRIENDLY_NAME: 'friendly_name'>: 'Unknown 00:11:22:33:00:11:45:fe Power',
+      <SensorEntityCapabilityAttribute.STATE_CLASS: 'state_class'>: <SensorStateClass.MEASUREMENT: 'measurement'>,
+      <EntityStateAttribute.UNIT_OF_MEASUREMENT: 'unit_of_measurement'>: <UnitOfPower.WATT: 'W'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.unknown_00_11_22_33_00_11_45_fe_power',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '0',
+  })
+# ---
 # name: test_entity[sensor.villa_atmospheric_pressure-entry]
   EntityRegistryEntrySnapshot({
     'aliases': list([