Not one watt of power generated by pumped hydro in Australia has ever been green as solar, wind and hydro do not produce 100 percent of the power to meet demand in the NEM. Therefore the recharging of the pumped hydro schemes have been down utilising fossil generated power. This may change in the future but is at least 5 years away imo.
As a result given the power losses in pumped hydro systems (that pesky gravity thingy) Australia has produced approximately 25 percent more emissions using the existing pumped hydro schemes than if the power had been produced by fossil fuels in the first place.
Sane issue with batteries but losses are not as bad.
Not one watt of power generated by pumped hydro in Australia has...
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