A new, floating pumped hydropower system aims to cut the cost of utility-scale energy storage for wind and solar (courtesy of Sizable Energy). Support CleanTechnica's work through a Substack subscription or on Stripe. PSH complements wind and solar by storing the excess electricity they create and providing the backup for when the wind isn't blowing, and the sun isn't shining. This year's sharp U-turn in federal energy policy is a head-scratcher for any. . Pumped storage hydropower (PSH) is a type of hydroelectric energy storage. It is a configuration of two water reservoirs at different elevations that can generate power as water moves down from one to the other (discharge), passing through a turbine. The system also requires power as it pumps water. .
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We need safe and efficient ways to store renewably generated energy to use when the wind stops blowing, when clouds form in the sky, and when demand for electricity jumps higher than normal. . Wind and solar energy are now cheaper than power generated from fossil fuels, but they require specific weather conditions. Batteries are at the core of the recent growth in energy storage and battery prices are dropping. .
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