www.green-translation-service.com Short video explaining how pumped-storage plants produce electricity.
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The new hydroelectric installation at Mapledurham Mill, Oxfordshire, Weighs 24.7 tons Diameter 3.5 metres Generates up to 500000 kWh/year Flow quoted as 1800 gallons (8000 litres) of water per second, the equivalent of 280 Olympic sized swimming pools every day