Gigawatt hour, GWh

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• Gigawatt hour

Gigawatt hour (GWh)  is a unit used to measure a large production or consumption of electricity or gas. Gigawatt hours are for example used to measure the annual production of smaller power plants (hydro or solar) or consumption of industry establishments.  

1 Gigawatt hour means an output of 1 Gigawatt for a full hour. For example Turness nuclear power station in the United Kingdom produces 1205 GWh. 

1 Gigawatt hour is 1 000 Megawatt hours and a thousandth of a Terawatt hour.  

Gigawatt hour conversions

1 Gigawatt hour = 0.001 Terawatt hour (TWh)
1 Gigawatt hour = 1 000 Megawatt hour (MWh)
1 Gigawatt hour = 1 000 000 kilowatt hour (kWh)

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