Some countries produce too much electricity at a certain period of the year, and have to pay another country to get rid of their extra own unconsumed electricity. Why can’t a power plant produce more electricity than consumed, what’s the physical obstacle to do so?
Also, what will the receiving country do if this surplus of electricity is again not consumed entirely?
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Wind generators are highly variable, so whenever a local grid is drawing from those tall wind gens, there is a certain amount of backup generators with hem that use a jet engine to turn a generator. They burn natural gas, so the exhaust is not too smoggy.
These gas turbines can be turned on and off rapidly.
As far as cost-effectiveness, the steam-turbines that burn coal for heat are still very cheap per energy generated, but…they can’t just be turned on and off, so they are for the base-load, meaning the lowest demand times they are running at a low generation level, but they are not off. This is why electricity is cheaper at night, and that’s when the government wants electric cars to charge up.
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