diff --git a/homeassistant/components/emonitor/__init__.py b/homeassistant/components/emonitor/__init__.py
index 74d08432f72..7506edae1d3 100644
--- a/homeassistant/components/emonitor/__init__.py
+++ b/homeassistant/components/emonitor/__init__.py
@@ -1,9 +1,12 @@
 """The SiteSage Emonitor integration."""
 
+from __future__ import annotations
+
 from datetime import timedelta
 import logging
 
 from aioemonitor import Emonitor
+from aioemonitor.monitor import EmonitorStatus
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_HOST, Platform
@@ -11,7 +14,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers import aiohttp_client
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
-from .const import DOMAIN
+type EmonitorConfigEntry = ConfigEntry[DataUpdateCoordinator[EmonitorStatus]]
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -20,13 +23,12 @@ DEFAULT_UPDATE_RATE = 60
 PLATFORMS = [Platform.SENSOR]
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: EmonitorConfigEntry) -> bool:
     """Set up SiteSage Emonitor from a config entry."""
-
     session = aiohttp_client.async_get_clientsession(hass)
     emonitor = Emonitor(entry.data[CONF_HOST], session)
 
-    coordinator: DataUpdateCoordinator = DataUpdateCoordinator(
+    coordinator = DataUpdateCoordinator[EmonitorStatus](
         hass,
         _LOGGER,
         name=entry.title,
@@ -36,20 +38,15 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     )
 
     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: EmonitorConfigEntry) -> bool:
     """Unload a config entry."""
-    unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
-    if unload_ok:
-        hass.data[DOMAIN].pop(entry.entry_id)
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
 
 
 def name_short_mac(short_mac):
diff --git a/homeassistant/components/emonitor/sensor.py b/homeassistant/components/emonitor/sensor.py
index 05071800f28..39ed61741ae 100644
--- a/homeassistant/components/emonitor/sensor.py
+++ b/homeassistant/components/emonitor/sensor.py
@@ -10,7 +10,6 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import UnitOfPower
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import device_registry as dr
@@ -21,8 +20,7 @@ from homeassistant.helpers.update_coordinator import (
     DataUpdateCoordinator,
 )
 
-from . import name_short_mac
-from .const import DOMAIN
+from . import EmonitorConfigEntry, name_short_mac
 
 SENSORS = (
     SensorEntityDescription(key="inst_power"),
@@ -39,11 +37,11 @@ SENSORS = (
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: EmonitorConfigEntry,
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up entry."""
-    coordinator = hass.data[DOMAIN][config_entry.entry_id]
+    coordinator = config_entry.runtime_data
     channels = coordinator.data.channels
     entities: list[EmonitorPowerSensor] = []
     seen_channels = set()