“PHES has far lower capital cost ($ / kWh) than batteries (which excel for short term storage). Together, PHES and batteries solve energy storage,” Professor Andrew Blakers said. PUMPED Hydro Energy Storage 2 Reservoirs required at different Heights. Sometimes only one new reservoir needs to be built. Pump H2O uphill with cheap solar electricity during the day Gravity takes H2O downhill through a turbine & you generate KWH at NIGHT!💧 Power from the Sun when the sun is not shining. Job done.
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