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They have a huge transmission line across Texas for Wind Power. I’ve heard sometimes electricity prices go negative at night due to excess wind power. There are actually tons of free nights electricity plans to match.


So people should buy batteries, charge them at night and use them during the day. Over time, they should recoup the cost.

Of course, this will arbitrage the discrepancy away.


What will actually happen is the power producers buying what are, effectively, space heaters. You can never rely on negative power prices sticking around.


Negative prices will usually result in the produce shutting down the wind generators (any modern generator has a coupling at minimum)

Shutting of generation is already part of the grid as you need to do that when the grid becomes underloaded.




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