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TL;DR: No -- due to the length of time it takes a coal plant to return to full output after shutting down, it will not produce more emissions during startup than a fully-loaded plant over the same time period. Typical coal plant in the U.S. From the monthly generator inventory I determined that in the U.S. the median utility and independent power producer (...


or oilI disagree with your assumption that power demand ever goes to zero. The demand fluctuates and the the amount of coal burned fluctuates. It will be minimal at night and the utility does all it can to match the coal used to the demand. A large coal unit can take a day or more to start and stop ; It is not like a car. But , gas turbines are very fast to ...

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