diff --git a/src/accessory/characteristic/EnergyUsage.ts b/src/accessory/characteristic/EnergyUsage.ts
index f6f85682..15347f5b 100644
--- a/src/accessory/characteristic/EnergyUsage.ts
+++ b/src/accessory/characteristic/EnergyUsage.ts
@@ -117,11 +117,11 @@ function createVoltsCharacteristic(api: API) {
 }
 
 function createKilowattHourCharacteristic(api: API) {
-  return class Watts extends api.hap.Characteristic {
+  return class KilowattHour extends api.hap.Characteristic {
     static readonly UUID = 'E863F10C-079E-48FF-8F27-9C2605A29F52';
 
     constructor() {
-      super('Total Consumption', Watts.UUID, {
+      super('Total Consumption', KilowattHour.UUID, {
         format: api.hap.Formats.FLOAT,
         perms: [api.hap.Perms.NOTIFY, api.hap.Perms.PAIRED_READ],
         unit: 'kWh',