diff --git a/homeassistant/components/powerwall/__init__.py b/homeassistant/components/powerwall/__init__.py
index 6220f81e9a3..8b06b2a9c6d 100644
--- a/homeassistant/components/powerwall/__init__.py
+++ b/homeassistant/components/powerwall/__init__.py
@@ -23,6 +23,7 @@ from .const import (
     POWERWALL_API_CHANGED,
     POWERWALL_API_CHARGE,
     POWERWALL_API_DEVICE_TYPE,
+    POWERWALL_API_GRID_SERVICES_ACTIVE,
     POWERWALL_API_GRID_STATUS,
     POWERWALL_API_METERS,
     POWERWALL_API_SERIAL_NUMBERS,
@@ -225,6 +226,7 @@ def _fetch_powerwall_data(power_wall):
         POWERWALL_API_CHARGE: power_wall.get_charge(),
         POWERWALL_API_SITEMASTER: power_wall.get_sitemaster(),
         POWERWALL_API_METERS: power_wall.get_meters(),
+        POWERWALL_API_GRID_SERVICES_ACTIVE: power_wall.is_grid_services_active(),
         POWERWALL_API_GRID_STATUS: power_wall.get_grid_status(),
     }
 
diff --git a/homeassistant/components/powerwall/binary_sensor.py b/homeassistant/components/powerwall/binary_sensor.py
index 1b097b93408..b4104b70f39 100644
--- a/homeassistant/components/powerwall/binary_sensor.py
+++ b/homeassistant/components/powerwall/binary_sensor.py
@@ -11,6 +11,7 @@ from homeassistant.const import DEVICE_CLASS_POWER
 from .const import (
     DOMAIN,
     POWERWALL_API_DEVICE_TYPE,
+    POWERWALL_API_GRID_SERVICES_ACTIVE,
     POWERWALL_API_GRID_STATUS,
     POWERWALL_API_METERS,
     POWERWALL_API_SERIAL_NUMBERS,
@@ -35,6 +36,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     entities = []
     for sensor_class in (
         PowerWallRunningSensor,
+        PowerWallGridServicesActiveSensor,
         PowerWallGridStatusSensor,
         PowerWallConnectedSensor,
         PowerWallChargingStatusSensor,
@@ -96,6 +98,30 @@ class PowerWallConnectedSensor(PowerWallEntity, BinarySensorEntity):
         return self.coordinator.data[POWERWALL_API_SITEMASTER].is_connected_to_tesla
 
 
+class PowerWallGridServicesActiveSensor(PowerWallEntity, BinarySensorEntity):
+    """Representation of a Powerwall grid services active sensor."""
+
+    @property
+    def name(self):
+        """Device Name."""
+        return "Grid Services Active"
+
+    @property
+    def device_class(self):
+        """Device Class."""
+        return DEVICE_CLASS_POWER
+
+    @property
+    def unique_id(self):
+        """Device Uniqueid."""
+        return f"{self.base_unique_id}_grid_services_active"
+
+    @property
+    def is_on(self):
+        """Grid services is active."""
+        return self.coordinator.data[POWERWALL_API_GRID_SERVICES_ACTIVE]
+
+
 class PowerWallGridStatusSensor(PowerWallEntity, BinarySensorEntity):
     """Representation of an Powerwall grid status sensor."""
 
diff --git a/homeassistant/components/powerwall/const.py b/homeassistant/components/powerwall/const.py
index b2cd48df276..8cc0cbc27cd 100644
--- a/homeassistant/components/powerwall/const.py
+++ b/homeassistant/components/powerwall/const.py
@@ -19,6 +19,7 @@ POWERWALL_SITE_NAME = "site_name"
 
 POWERWALL_API_METERS = "meters"
 POWERWALL_API_CHARGE = "charge"
+POWERWALL_API_GRID_SERVICES_ACTIVE = "grid_services_active"
 POWERWALL_API_GRID_STATUS = "grid_status"
 POWERWALL_API_SITEMASTER = "sitemaster"
 POWERWALL_API_STATUS = "status"
diff --git a/tests/components/powerwall/mocks.py b/tests/components/powerwall/mocks.py
index 0e3cec7f60b..9d253c3a74b 100644
--- a/tests/components/powerwall/mocks.py
+++ b/tests/components/powerwall/mocks.py
@@ -30,6 +30,7 @@ async def _mock_powerwall_with_fixtures(hass):
         charge=47.34587394586,
         sitemaster=SiteMaster(sitemaster),
         meters=MetersAggregates(meters),
+        grid_services_active=True,
         grid_status=GridStatus.CONNECTED,
         status=PowerwallStatus(status),
         device_type=DeviceType(device_type["device_type"]),
@@ -42,6 +43,7 @@ def _mock_powerwall_return_value(
     charge=None,
     sitemaster=None,
     meters=None,
+    grid_services_active=None,
     grid_status=None,
     status=None,
     device_type=None,
@@ -56,6 +58,7 @@ def _mock_powerwall_return_value(
     powerwall_mock.get_status = Mock(return_value=status)
     powerwall_mock.get_device_type = Mock(return_value=device_type)
     powerwall_mock.get_serial_numbers = Mock(return_value=serial_numbers)
+    powerwall_mock.is_grid_services_active = Mock(return_value=grid_services_active)
 
     return powerwall_mock
 
diff --git a/tests/components/powerwall/test_binary_sensor.py b/tests/components/powerwall/test_binary_sensor.py
index 006ecdfb533..8c9168c5f45 100644
--- a/tests/components/powerwall/test_binary_sensor.py
+++ b/tests/components/powerwall/test_binary_sensor.py
@@ -26,6 +26,16 @@ async def test_sensors(hass):
         assert await hass.config_entries.async_setup(config_entry.entry_id)
         await hass.async_block_till_done()
 
+    state = hass.states.get("binary_sensor.grid_services_active")
+    assert state.state == STATE_ON
+    expected_attributes = {
+        "friendly_name": "Grid Services Active",
+        "device_class": "power",
+    }
+    # Only test for a subset of attributes in case
+    # HA changes the implementation and a new one appears
+    assert all(item in state.attributes.items() for item in expected_attributes.items())
+
     state = hass.states.get("binary_sensor.grid_status")
     assert state.state == STATE_ON
     expected_attributes = {"friendly_name": "Grid Status", "device_class": "power"}