diff --git a/homeassistant/components/sensor/__init__.py b/homeassistant/components/sensor/__init__.py
index e7f4b00fd773b..29d31d10ffc48 100644
--- a/homeassistant/components/sensor/__init__.py
+++ b/homeassistant/components/sensor/__init__.py
@@ -63,6 +63,7 @@
 from homeassistant.helpers.typing import UNDEFINED, ConfigType, StateType, UndefinedType
 from homeassistant.util import dt as dt_util
 from homeassistant.util.enum import try_parse_enum
+from homeassistant.util.hass_dict import HassKey
 
 from .const import (  # noqa: F401
     _DEPRECATED_STATE_CLASS_MEASUREMENT,
@@ -88,6 +89,7 @@
 
 _LOGGER: Final = logging.getLogger(__name__)
 
+DOMAIN_DATA: HassKey[EntityComponent[SensorEntity]] = HassKey(DOMAIN)
 ENTITY_ID_FORMAT: Final = DOMAIN + ".{}"
 PLATFORM_SCHEMA = cv.PLATFORM_SCHEMA
 PLATFORM_SCHEMA_BASE = cv.PLATFORM_SCHEMA_BASE
@@ -115,7 +117,7 @@
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Track states and offer events for sensors."""
-    component = hass.data[DOMAIN] = EntityComponent[SensorEntity](
+    component = hass.data[DOMAIN_DATA] = EntityComponent[SensorEntity](
         _LOGGER, DOMAIN, hass, SCAN_INTERVAL
     )
 
@@ -126,14 +128,12 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up a config entry."""
-    component: EntityComponent[SensorEntity] = hass.data[DOMAIN]
-    return await component.async_setup_entry(entry)
+    return await hass.data[DOMAIN_DATA].async_setup_entry(entry)
 
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
-    component: EntityComponent[SensorEntity] = hass.data[DOMAIN]
-    return await component.async_unload_entry(entry)
+    return await hass.data[DOMAIN_DATA].async_unload_entry(entry)
 
 
 class SensorEntityDescription(EntityDescription, frozen_or_thawed=True):
diff --git a/homeassistant/components/sensor/recorder.py b/homeassistant/components/sensor/recorder.py
index fce41a13ca61c..462b25dd55263 100644
--- a/homeassistant/components/sensor/recorder.py
+++ b/homeassistant/components/sensor/recorder.py
@@ -37,6 +37,7 @@
 from homeassistant.loader import async_suggest_report_issue
 from homeassistant.util import dt as dt_util
 from homeassistant.util.enum import try_parse_enum
+from homeassistant.util.hass_dict import HassKey
 
 from .const import (
     ATTR_LAST_RESET,
@@ -63,14 +64,15 @@
     "ft³/m": UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE,
 }
 
+
 # Keep track of entities for which a warning about decreasing value has been logged
-SEEN_DIP = "sensor_seen_total_increasing_dip"
-WARN_DIP = "sensor_warn_total_increasing_dip"
+SEEN_DIP: HassKey[set[str]] = HassKey(f"{DOMAIN}_seen_total_increasing_dip")
+WARN_DIP: HassKey[set[str]] = HassKey(f"{DOMAIN}_warn_total_increasing_dip")
 # Keep track of entities for which a warning about negative value has been logged
-WARN_NEGATIVE = "sensor_warn_total_increasing_negative"
+WARN_NEGATIVE: HassKey[set[str]] = HassKey(f"{DOMAIN}_warn_total_increasing_negative")
 # Keep track of entities for which a warning about unsupported unit has been logged
-WARN_UNSUPPORTED_UNIT = "sensor_warn_unsupported_unit"
-WARN_UNSTABLE_UNIT = "sensor_warn_unstable_unit"
+WARN_UNSUPPORTED_UNIT: HassKey[set[str]] = HassKey(f"{DOMAIN}_warn_unsupported_unit")
+WARN_UNSTABLE_UNIT: HassKey[set[str]] = HassKey(f"{DOMAIN}_warn_unstable_unit")
 # Link to dev statistics where issues around LTS can be fixed
 LINK_DEV_STATISTICS = "https://my.home-assistant.io/redirect/developer_statistics"