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Megawatt-hour (MWh)

1,000 kilowatt-hours, used in grid-scale energy.

Result3,600,000,000

1 megawatt-hour = 3,600,000,000 joules

Megawatt-hour at a glance

Unit nameMegawatt-hour (plural: megawatt-hours)
SymbolMWh
Quantity measuredEnergy
Measurement systemMetric
Also known asmwh
Definition exact?Yes — exact by definition

1 megawatt-hour in other energy units

Unit1 MWh equals
Joule3,600,000,000 J
Kilojoule3,600,000 kJ
Megajoule3,600 MJ
Calorie860,420,650 cal
Kilocalorie860,420.65 kcal
Watt-hour1,000,000 Wh
Kilowatt-hour1,000 kWh
Electronvolt2.24694327 × 10²⁸ eV
British thermal unit3,412,141.63 BTU
Therm34.1214163 thm
Foot-pound2,655,223,737 ft·lb

Frequently asked questions

What is a megawatt-hour?
1,000 kilowatt-hours, used in grid-scale energy.
What is the symbol for the megawatt-hour?
The symbol for the megawatt-hour is MWh. It measures energy.
How many joules are in a megawatt-hour?
1 megawatt-hour = 3,600,000,000 joules.
How many kilojoules are in a megawatt-hour?
1 megawatt-hour = 3,600,000 kilojoules.
How many kilocalories are in a megawatt-hour?
1 megawatt-hour = 860,420.65 kilocalories.