Unlimited long duration, long-lived pumped hydro storage - pv magazine Global

Solar- and wind-dominated grids need abundant long-duration storage, and off-river pumped hydro offers enormous potential, with 800,000 sites worldwide and storage capacity vastly exceeding global requirements. Pumped hydro is mature, low-cost, long-lived, and locally deployable, complementing batteries by providing economical deep storage for periods of low wind and solar generation.

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