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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Bucharest, July 22, 2025 – Nova Power & Gas, a Romanian energy company and part of the E-INFRA Group, announces the launch of the largest battery energy storage project in Romania. From ESS News The largest BESS to date in Romania, with a capacity of 200 MW/400 MWh, has been commissioned in Cluj County by private investor Nova. . The Romanian Ministry of Energy has launched a grant program for battery energy storage systems developed in conjunction with existing renewable energy facilities – wind, solar, or hydro. The project that will be constructed in Floresti, Cluj County, will provide 200 MW/400 MWh, the working capacity of which. .
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