3 ms·
>this process has about an 80% roundtrip efficiency How is that possible? Even if you assume frictionless pipes and lossless power transmission, that's assumi
by redthrowaway 9y ago
>this process has about an 80% roundtrip efficiency
How is that possible? Even if you assume frictionless pipes and lossless power transmission, that's assuming 90% efficiency for both the pump and the generator.
- dtparr 9y agoFrom https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricit... > The round-trip energy efficiency of PSH varies between 70%–80%,[4][5][6][7] with some sources claiming up to 87%.[8]