Quote:
Originally Posted by Chris
Actually pumped storage hydro operates on whatever electricity is in the system at point of need. This is as likely to be wind as anything else as base load is fairly predictable overnight and gas powered plants can be wound down.
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If gas powered plants are still needed overnight, then there are no savings. All it can do is reduce the daytime requirements for gas powered plants, leaving the spare capacity available for surges in demand or generation problems elsewhere. Still doesn't explain why the pumped storage generation is zero.