Capacity factor

Electrical production measure

The net capacity factor is the unitless ratio of actual electrical energy output over a given period of time to the theoretical maximum electrical energy output over that period. The theoretical maximum energy output of a given installation is defined as its continuous operation at full nameplate capacity over the relevant period. The capacity factor can be calculated for any electricity producing installation, such as a fuel-consuming power plant or one using renewable energy, such as wind, the sun or hydro-electric installations.

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