(MW) for power--and time is expressed in hours, the units "cancel out". For example, if a 1 MW plant produces 0.5 MWh in one hour, its capacity factor is:

Sample calculations

Nuclear power plant

Nuclear power plants are at the high end of the range of capacity factors, ideally reduced only by the availability factor, i.e. maintenance and refueling. The largest nuclear plant in the US, Palo Verde Nuclear Generating Station,

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