Why is energy “cheaper” at night? Doesn’t nuclear, coal, hydro, etc all cost the same to produce no matter what time of day? Demand shouldn’t factor into cost.
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It’s to do when people are using energy.
Nuclear and coal have to stay at steady levels, they react very slowly to changing loads (compared to things like gas turbines and other fast moving generators)
So to make sure they don’t need to increase or decrease anything they bid for cheap power at night when not many people are using it
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