diff --git a/custom_components/tesla_custom/teslamate.py b/custom_components/tesla_custom/teslamate.py
index be6c0675..b8358fd5 100644
--- a/custom_components/tesla_custom/teslamate.py
+++ b/custom_components/tesla_custom/teslamate.py
@@ -141,6 +141,7 @@ def cast_car_state(state: str, car: TeslaCar) -> (str, str):
     "rated_battery_range_km": ("battery_range", cast_km_to_miles),
     "est_battery_range_km": ("est_battery_range", cast_km_to_miles),
     "ideal_battery_range_km": ("ideal_battery_range", cast_km_to_miles),
+    "usable_battery_level": ("usable_battery_level", float),
     "charge_energy_added": ("charge_energy_added", float),
     "charger_actual_current": ("charger_actual_current", int),
     "charger_power": ("charger_power", int),