diff --git a/homeassistant/components/tesla_wall_connector/sensor.py b/homeassistant/components/tesla_wall_connector/sensor.py
index c6c63a93edb..290f4948ccc 100644
--- a/homeassistant/components/tesla_wall_connector/sensor.py
+++ b/homeassistant/components/tesla_wall_connector/sensor.py
@@ -16,6 +16,7 @@ from homeassistant.const import (
     UnitOfElectricPotential,
     UnitOfEnergy,
     UnitOfFrequency,
+    UnitOfPower,
     UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
@@ -164,6 +165,15 @@ WALL_CONNECTOR_SENSORS = [
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
+    WallConnectorSensorDescription(
+        key="total_power_w",
+        translation_key="total_power_w",
+        native_unit_of_measurement=UnitOfPower.WATT,
+        suggested_unit_of_measurement=UnitOfPower.KILO_WATT,
+        value_fn=lambda data: data[WALLCONNECTOR_DATA_VITALS].total_power_w,
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
     WallConnectorSensorDescription(
         key="session_energy_wh",
         translation_key="session_energy_wh",
diff --git a/homeassistant/components/tesla_wall_connector/strings.json b/homeassistant/components/tesla_wall_connector/strings.json
index 4271119b79b..0269e85b112 100644
--- a/homeassistant/components/tesla_wall_connector/strings.json
+++ b/homeassistant/components/tesla_wall_connector/strings.json
@@ -75,6 +75,9 @@
       "status_code": {
         "name": "Status code"
       },
+      "total_power_w": {
+        "name": "Total power"
+      },
       "voltage_a_v": {
         "name": "Phase A voltage"
       },
diff --git a/tests/components/tesla_wall_connector/conftest.py b/tests/components/tesla_wall_connector/conftest.py
index 4cb03f2bb1e..10685826d5e 100644
--- a/tests/components/tesla_wall_connector/conftest.py
+++ b/tests/components/tesla_wall_connector/conftest.py
@@ -101,6 +101,7 @@ def get_vitals_mock() -> Vitals:
     mock.currentA_a = 10
     mock.currentB_a = 11.1
     mock.currentC_a = 12
+    mock.total_power_w = 7650.3
     mock.session_energy_wh = 1234.56
     mock.contactor_closed = False
     mock.vehicle_connected = True
diff --git a/tests/components/tesla_wall_connector/test_sensor.py b/tests/components/tesla_wall_connector/test_sensor.py
index 56bed9edbb3..07746beb7ad 100644
--- a/tests/components/tesla_wall_connector/test_sensor.py
+++ b/tests/components/tesla_wall_connector/test_sensor.py
@@ -53,6 +53,9 @@ async def test_sensors(hass: HomeAssistant) -> None:
         EntityAndExpectedValues(
             "sensor.tesla_wall_connector_phase_c_voltage", "232.1", "230"
         ),
+        EntityAndExpectedValues(
+            "sensor.tesla_wall_connector_total_power", "7.6503", "5.4995"
+        ),
         EntityAndExpectedValues(
             "sensor.tesla_wall_connector_session_energy", "1.23456", "0.1122"
         ),
@@ -73,6 +76,7 @@ async def test_sensors(hass: HomeAssistant) -> None:
     mock_vitals_second_update.currentA_a = 7
     mock_vitals_second_update.currentB_a = 8
     mock_vitals_second_update.currentC_a = 9
+    mock_vitals_second_update.total_power_w = 5499.5
     mock_vitals_second_update.session_energy_wh = 112.2
 
     lifetime_mock_first_update = get_lifetime_mock()