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Electricity demand is lower at night, so they can use the excess electricity at that time to pump the water, and release it during the day to provide extra powe
by tallanvor 9y ago
Electricity demand is lower at night, so they can use the excess electricity at that time to pump the water, and release it during the day to provide extra power during peak periods.
- jlebrech 9y agoso from the fossil fuel produced electricity. now it makes sense. So they'll eventually flip it over to day.