diff --git a/homeassistant/components/nederlandse_spoorwegen/sensor.py b/homeassistant/components/nederlandse_spoorwegen/sensor.py
index d37b3060756..f3b6f1b2879 100644
--- a/homeassistant/components/nederlandse_spoorwegen/sensor.py
+++ b/homeassistant/components/nederlandse_spoorwegen/sensor.py
@@ -129,10 +129,13 @@ async def async_setup_entry(
                     subentry.data[CONF_NAME],
                     subentry.data[CONF_FROM],
                     subentry.data[CONF_TO],
+                    subentry.subentry_id,
                     subentry.data.get(CONF_VIA),
-                    parse_time(subentry.data[CONF_TIME])
-                    if CONF_TIME in subentry.data
-                    else None,
+                    (
+                        parse_time(subentry.data[CONF_TIME])
+                        if CONF_TIME in subentry.data
+                        else None
+                    ),
                 )
             ],
             config_subentry_id=subentry.subentry_id,
@@ -153,6 +156,7 @@ class NSDepartureSensor(SensorEntity):
         name: str,
         departure: str,
         heading: str,
+        subentry_id: str,
         via: str | None,
         time: dt.time | None,
     ) -> None:
@@ -166,6 +170,7 @@ class NSDepartureSensor(SensorEntity):
         self._trips: list[Trip] | None = None
         self._first_trip: Trip | None = None
         self._next_trip: Trip | None = None
+        self._attr_unique_id = f"{subentry_id}-actual_departure"
 
     @property
     def name(self) -> str:
diff --git a/tests/components/nederlandse_spoorwegen/conftest.py b/tests/components/nederlandse_spoorwegen/conftest.py
index c2bcdfedd87..4589ecd2c2e 100644
--- a/tests/components/nederlandse_spoorwegen/conftest.py
+++ b/tests/components/nederlandse_spoorwegen/conftest.py
@@ -12,7 +12,7 @@ from homeassistant.components.nederlandse_spoorwegen.const import (
     CONF_VIA,
     DOMAIN,
 )
-from homeassistant.config_entries import ConfigSubentryData
+from homeassistant.config_entries import ConfigSubentryDataWithId
 from homeassistant.const import CONF_API_KEY, CONF_NAME
 
 from .const import API_KEY
@@ -61,7 +61,7 @@ def mock_config_entry() -> MockConfigEntry:
         data={CONF_API_KEY: API_KEY},
         domain=DOMAIN,
         subentries_data=[
-            ConfigSubentryData(
+            ConfigSubentryDataWithId(
                 data={
                     CONF_NAME: "To work",
                     CONF_FROM: "Ams",
@@ -71,6 +71,7 @@ def mock_config_entry() -> MockConfigEntry:
                 subentry_type="route",
                 title="Test Route",
                 unique_id=None,
+                subentry_id="01K721DZPMEN39R5DK0ATBMSY8",
             ),
         ],
     )
diff --git a/tests/components/nederlandse_spoorwegen/snapshots/test_sensor.ambr b/tests/components/nederlandse_spoorwegen/snapshots/test_sensor.ambr
index bad2acb5d5a..d3c311acb66 100644
--- a/tests/components/nederlandse_spoorwegen/snapshots/test_sensor.ambr
+++ b/tests/components/nederlandse_spoorwegen/snapshots/test_sensor.ambr
@@ -1,5 +1,40 @@
 # serializer version: 1
-# name: test_sensor
+# name: test_sensor[sensor.to_work-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    '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': None,
+    'entity_id': 'sensor.to_work',
+    'has_entity_name': False,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.TIMESTAMP: 'timestamp'>,
+    'original_icon': 'mdi:train',
+    'original_name': 'To work',
+    'platform': 'nederlandse_spoorwegen',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '01K721DZPMEN39R5DK0ATBMSY8-actual_departure',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_sensor[sensor.to_work-state]
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'arrival_delay': False,
diff --git a/tests/components/nederlandse_spoorwegen/test_sensor.py b/tests/components/nederlandse_spoorwegen/test_sensor.py
index 8c90b0f96ce..ab578248bcc 100644
--- a/tests/components/nederlandse_spoorwegen/test_sensor.py
+++ b/tests/components/nederlandse_spoorwegen/test_sensor.py
@@ -15,13 +15,14 @@ from homeassistant.components.nederlandse_spoorwegen.const import (
 from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
 from homeassistant.const import CONF_API_KEY, CONF_NAME, CONF_PLATFORM
 from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN, HomeAssistant
+import homeassistant.helpers.entity_registry as er
 import homeassistant.helpers.issue_registry as ir
 from homeassistant.setup import async_setup_component
 
 from . import setup_integration
 from .const import API_KEY
 
-from tests.common import MockConfigEntry
+from tests.common import MockConfigEntry, snapshot_platform
 
 
 async def test_config_import(
@@ -65,8 +66,9 @@ async def test_sensor(
     mock_nsapi,
     mock_config_entry: MockConfigEntry,
     snapshot: SnapshotAssertion,
+    entity_registry: er.EntityRegistry,
 ) -> None:
     """Test sensor initialization."""
     await setup_integration(hass, mock_config_entry)
 
-    assert hass.states.get("sensor.to_work") == snapshot
+    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)