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One kilowatt-hour (1 kWh) is equivalent to a power of 1 kW being used for 1 hour, or 0·5 kW for 2 hours, 2 kW for 0·5 hour, etc. 1 k W h = l kilowatt × 1 hour = 1000 watts × 3600 seconds = 3,600,000 watt-seconds or joules .
A kilowatt-hour (kWh) is a unit of energy commonly used to measure electricity consumption. It represents the amount of energy used by a device rated at 1 kilowatt (kW) over a period of one hour. In simpler terms, it’s the energy consumed when a 1 kW appliance operates continuously for one hour. It’s widely used by utility companies to measure and bill for electricity usage. For example, if you run a 1 kW appliance for 1 hour, you would consume 1 kWh of electricity.