Cosmos - - Cosmos Science Club -

The huge ad­van­tage of a pumped hy­dro sys­tem is how it can act as a sta­biliser for the energy grid. This is in­creas­ingly im­por­tant for an elec­tric­ity grid that fea­tures more and more wind and so­lar power, whose gen­er­a­tion varies ac­cord­ing to the whims of the weather. Snowy 2.0 is in­tended to be a ‘ peak­ing power’ plant, mean­ing it will only gen­er­ate power dur­ing times of high de­mand. But it will also be able to ra­pidily re­spond to fluc­tu­at­ing power needs, tak­ing just 30 sec­onds to ramp up from gen­er­at­ing no power to its full 2,000 megawatt ca­pa­bil­ity.

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