UnitsUp to date · Jan 15, 2026
Megawatt-hour (MWh)
One thousand kilowatt-hours, used for wholesale electricity pricing and utility-scale energy production metrics. The average US home uses about 10.5 MWh per year.
Why It Matters
Wholesale electricity prices are quoted per MWh. Understanding this unit helps interpret energy market reports and community solar credit calculations.
Related Terms
kWh (Kilowatt-hour)
A unit of energy equal to 1,000 watts used for one hour. This is how utilities measure your electricity usage.
Megawatt (MW)
One million watts, used to measure the capacity of power plants and utility-scale energy installations. A typical US home uses about 1.2 kW on average, so 1 MW can serve roughly 800 homes.