1. Newsletter V 2023 - January 29 to February 4 - News+ Je suis mud monk

    2022... * Mine | Energy storage | Mines Shaft Old mines as energy storage Sand transport in mine shafts could help store excess electricity A new kind of pumped storage: Old mines could help balance surplus electricity and store energy - with the help of sand and gravity, as researchers suggest. If sand is transported via an elevator system...

  2. Newsletter XIX 2022 - May 05th to 12th - News+ The economic consequences of the Ukraine war

    Small systems cause more harm than good • No funding for hydroelectric power plants up to 1.000 kilowatts; Systems must not be in the “overriding public interest” * Solar | Pumped storage | Storage Sun raises water: Europe's largest solar pumped storage power plant goes online The Alqueva reservoir with the connected pumped storage power plant has a green attraction....

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