Definition
The mechanical source of energy that drives an electric generator — typically a steam turbine, combustion (gas) turbine, hydro turbine, or internal combustion engine. The prime mover converts fuel energy or falling water into rotational mechanical energy, which the generator then converts to electrical energy. Prime mover characteristics — ramp rate, minimum load, start time, and efficiency — directly affect how a generating facility participates in dispatch, reserves, and frequency response, all of which influence transmission loading and interconnection study assumptions at the point of interconnection.
Topic Deck
Generation Fundamentals
Source
FERC Pro Forma OATT / LGIP
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