diff --git a/homeassistant/components/epion/__init__.py b/homeassistant/components/epion/__init__.py
index fec975c5098..c04c77f760d 100644
--- a/homeassistant/components/epion/__init__.py
+++ b/homeassistant/components/epion/__init__.py
@@ -4,30 +4,25 @@ from __future__ import annotations
 
 from epion import Epion
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_API_KEY, Platform
 from homeassistant.core import HomeAssistant
 
-from .const import DOMAIN
-from .coordinator import EpionCoordinator
+from .coordinator import EpionConfigEntry, EpionCoordinator
 
 PLATFORMS = [Platform.SENSOR]
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: EpionConfigEntry) -> bool:
     """Set up the Epion coordinator from a config entry."""
     api = Epion(entry.data[CONF_API_KEY])
-    coordinator = EpionCoordinator(hass, api)
+    coordinator = EpionCoordinator(hass, entry, api)
     await coordinator.async_config_entry_first_refresh()
 
-    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = coordinator
+    entry.runtime_data = coordinator
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
     return True
 
 
-async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_unload_entry(hass: HomeAssistant, entry: EpionConfigEntry) -> bool:
     """Unload Epion config entry."""
-    unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
-    if unload_ok:
-        del hass.data[DOMAIN][entry.entry_id]
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/epion/coordinator.py b/homeassistant/components/epion/coordinator.py
index 3eb7efb5dc7..9eb31331097 100644
--- a/homeassistant/components/epion/coordinator.py
+++ b/homeassistant/components/epion/coordinator.py
@@ -5,6 +5,7 @@ from typing import Any
 
 from epion import Epion, EpionAuthenticationError, EpionConnectionError
 
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryAuthFailed
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
@@ -13,15 +14,20 @@ from .const import REFRESH_INTERVAL
 
 _LOGGER = logging.getLogger(__name__)
 
+type EpionConfigEntry = ConfigEntry[EpionCoordinator]
+
 
 class EpionCoordinator(DataUpdateCoordinator[dict[str, Any]]):
     """Epion data update coordinator."""
 
-    def __init__(self, hass: HomeAssistant, epion_api: Epion) -> None:
+    def __init__(
+        self, hass: HomeAssistant, entry: EpionConfigEntry, epion_api: Epion
+    ) -> None:
         """Initialize the Epion coordinator."""
         super().__init__(
             hass,
             _LOGGER,
+            config_entry=entry,
             name="Epion",
             update_interval=REFRESH_INTERVAL,
         )
diff --git a/homeassistant/components/epion/sensor.py b/homeassistant/components/epion/sensor.py
index 4717c095bfe..78027813ffa 100644
--- a/homeassistant/components/epion/sensor.py
+++ b/homeassistant/components/epion/sensor.py
@@ -10,7 +10,6 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CONCENTRATION_PARTS_PER_MILLION,
     PERCENTAGE,
@@ -23,7 +22,7 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from .const import DOMAIN
-from .coordinator import EpionCoordinator
+from .coordinator import EpionConfigEntry, EpionCoordinator
 
 SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
     SensorEntityDescription(
@@ -59,11 +58,11 @@ SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    entry: ConfigEntry,
+    entry: EpionConfigEntry,
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Add an Epion entry."""
-    coordinator: EpionCoordinator = hass.data[DOMAIN][entry.entry_id]
+    coordinator = entry.runtime_data
 
     entities = [
         EpionSensor(coordinator, epion_device_id, description)