Definitions for

**"Megawatthour"**One thousand kilowatt-hours or 1 million watt-hours.

Energy equivalent to using 1,000,000 watts for 1 hour. Power company generation facilities and wholesale rates are usually measured in MegaWatthours. The normal wholesale price of a MWh is around $25.00, or 2.5 cents per KWh. Abbreviated MWh.

A unit of energy of work equal to 1,000 kilowattshours or 1 million watthours.