watt-hour(redirected from Megawatt-hour)
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Related to Megawatt-hour: Watt hour
A unit of energy used in electrical measurements, equal to the energy converted or consumed at a rate of 1 watt during a period of 1 hour, or to 3600 joules. Abbreviated Wh.
A unit of work equal to 3,600 joules; equivalent to the power of 1 watt operating for a period of 1 hour.