diff --git a/homeassistant/components/blue_current/__init__.py b/homeassistant/components/blue_current/__init__.py
index e852dfc8c6e..6d0ccd7b6db 100644
--- a/homeassistant/components/blue_current/__init__.py
+++ b/homeassistant/components/blue_current/__init__.py
@@ -22,6 +22,8 @@ from homeassistant.helpers.dispatcher import async_dispatcher_send
 
 from .const import DOMAIN, EVSE_ID, LOGGER, MODEL_TYPE
 
+type BlueCurrentConfigEntry = ConfigEntry[Connector]
+
 PLATFORMS = [Platform.SENSOR]
 CHARGE_POINTS = "CHARGE_POINTS"
 DATA = "data"
@@ -32,9 +34,10 @@ OBJECT = "object"
 VALUE_TYPES = ["CH_STATUS"]
 
 
-async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
+async def async_setup_entry(
+    hass: HomeAssistant, config_entry: BlueCurrentConfigEntry
+) -> bool:
     """Set up Blue Current as a config entry."""
-    hass.data.setdefault(DOMAIN, {})
     client = Client()
     api_token = config_entry.data[CONF_API_TOKEN]
     connector = Connector(hass, config_entry, client)
@@ -50,29 +53,25 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
     )
 
     await client.wait_for_charge_points()
-    hass.data[DOMAIN][config_entry.entry_id] = connector
+    config_entry.runtime_data = connector
     await hass.config_entries.async_forward_entry_setups(config_entry, PLATFORMS)
 
     return True
 
 
-async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
+async def async_unload_entry(
+    hass: HomeAssistant, config_entry: BlueCurrentConfigEntry
+) -> bool:
     """Unload the Blue Current config entry."""
 
-    unload_ok = await hass.config_entries.async_unload_platforms(
-        config_entry, PLATFORMS
-    )
-    if unload_ok:
-        hass.data[DOMAIN].pop(config_entry.entry_id)
-
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(config_entry, PLATFORMS)
 
 
 class Connector:
     """Define a class that connects to the Blue Current websocket API."""
 
     def __init__(
-        self, hass: HomeAssistant, config: ConfigEntry, client: Client
+        self, hass: HomeAssistant, config: BlueCurrentConfigEntry, client: Client
     ) -> None:
         """Initialize."""
         self.config = config
diff --git a/homeassistant/components/blue_current/sensor.py b/homeassistant/components/blue_current/sensor.py
index 4c590544984..be39e9571ec 100644
--- a/homeassistant/components/blue_current/sensor.py
+++ b/homeassistant/components/blue_current/sensor.py
@@ -8,7 +8,6 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CURRENCY_EURO,
     UnitOfElectricCurrent,
@@ -19,7 +18,7 @@ from homeassistant.const import (
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from . import Connector
+from . import BlueCurrentConfigEntry, Connector
 from .const import DOMAIN
 from .entity import BlueCurrentEntity, ChargepointEntity
 
@@ -211,10 +210,12 @@ PARALLEL_UPDATES = 1
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: BlueCurrentConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up Blue Current sensors."""
-    connector: Connector = hass.data[DOMAIN][entry.entry_id]
+    connector = entry.runtime_data
     sensor_list: list[SensorEntity] = [
         ChargePointSensor(connector, sensor, evse_id)
         for evse_id in connector.charge_points