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by singhrac 786 days ago
Curtailment is often a decision of the generator (I don’t know CAISO specifics but I would be surprised if it wasn’t ultimately a generator decision).

If I asked you to generate power for -$15/MWh, you would refuse to do it because it would cost you money. 0 > -15.

The utilities not charging negative time-of-rates is a separate decision.