diff --git a/homeassistant/components/sma/sensor.py b/homeassistant/components/sma/sensor.py
index 11ed720b51c..f0fc475e0db 100644
--- a/homeassistant/components/sma/sensor.py
+++ b/homeassistant/components/sma/sensor.py
@@ -139,6 +139,13 @@ SENSOR_ENTITIES: dict[str, SensorEntityDescription] = {
         device_class=SensorDeviceClass.CURRENT,
         entity_registry_enabled_default=False,
     ),
+    "pv_isolation_resistance": SensorEntityDescription(
+        key="pv_isolation_resistance",
+        name="PV Isolation Resistance",
+        native_unit_of_measurement="kOhms",
+        state_class=SensorStateClass.MEASUREMENT,
+        entity_registry_enabled_default=False,
+    ),
     "insulation_residual_current": SensorEntityDescription(
         key="insulation_residual_current",
         name="Insulation Residual Current",
@@ -147,6 +154,13 @@ SENSOR_ENTITIES: dict[str, SensorEntityDescription] = {
         device_class=SensorDeviceClass.CURRENT,
         entity_registry_enabled_default=False,
     ),
+    "pv_power": SensorEntityDescription(
+        key="pv_power",
+        name="PV Power",
+        native_unit_of_measurement=UnitOfPower.WATT,
+        state_class=SensorStateClass.MEASUREMENT,
+        device_class=SensorDeviceClass.POWER,
+    ),
     "grid_power": SensorEntityDescription(
         key="grid_power",
         name="Grid Power",
@@ -479,6 +493,30 @@ SENSOR_ENTITIES: dict[str, SensorEntityDescription] = {
         state_class=SensorStateClass.TOTAL_INCREASING,
         device_class=SensorDeviceClass.ENERGY,
     ),
+    "sps_voltage": SensorEntityDescription(
+        key="sps_voltage",
+        name="Secure Power Supply Voltage",
+        native_unit_of_measurement=UnitOfElectricPotential.VOLT,
+        state_class=SensorStateClass.MEASUREMENT,
+        device_class=SensorDeviceClass.VOLTAGE,
+        entity_registry_enabled_default=False,
+    ),
+    "sps_current": SensorEntityDescription(
+        key="sps_current",
+        name="Secure Power Supply Current",
+        native_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
+        state_class=SensorStateClass.MEASUREMENT,
+        device_class=SensorDeviceClass.CURRENT,
+        entity_registry_enabled_default=False,
+    ),
+    "sps_power": SensorEntityDescription(
+        key="sps_power",
+        name="Secure Power Supply Power",
+        native_unit_of_measurement=UnitOfPower.WATT,
+        state_class=SensorStateClass.MEASUREMENT,
+        device_class=SensorDeviceClass.POWER,
+        entity_registry_enabled_default=False,
+    ),
     "optimizer_power": SensorEntityDescription(
         key="optimizer_power",
         name="Optimizer Power",
diff --git a/tests/components/sma/test_sensor.py b/tests/components/sma/test_sensor.py
index a79588f4800..acc26a8bf90 100644
--- a/tests/components/sma/test_sensor.py
+++ b/tests/components/sma/test_sensor.py
@@ -1,4 +1,12 @@
 """Test the sma sensor platform."""
+from pysma.const import (
+    ENERGY_METER_VIA_INVERTER,
+    GENERIC_SENSORS,
+    OPTIMIZERS_VIA_INVERTER,
+)
+from pysma.definitions import sensor_map
+
+from homeassistant.components.sma.sensor import SENSOR_ENTITIES
 from homeassistant.const import ATTR_UNIT_OF_MEASUREMENT, UnitOfPower
 from homeassistant.core import HomeAssistant
 
@@ -8,3 +16,15 @@ async def test_sensors(hass: HomeAssistant, init_integration) -> None:
     state = hass.states.get("sensor.sma_device_grid_power")
     assert state
     assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == UnitOfPower.WATT
+
+
+async def test_sensor_entities(hass: HomeAssistant, init_integration) -> None:
+    """Test SENSOR_ENTITIES contains a SensorEntityDescription for each pysma sensor."""
+    pysma_sensor_definitions = (
+        sensor_map[GENERIC_SENSORS]
+        + sensor_map[OPTIMIZERS_VIA_INVERTER]
+        + sensor_map[ENERGY_METER_VIA_INVERTER]
+    )
+
+    for sensor in pysma_sensor_definitions:
+        assert sensor.name in SENSOR_ENTITIES