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  • Renewable energy – dependent as it is on the vagaries of planetary forces, rather than the certainties of fossil fuels’ industrialised commodity supply chain – always suffers from variability in output. Dams, however, are often seen as being exempt from the worst effects. With reservoirs acting as a vast battery of stored energy, they have a great deal of freedom to determine their output on any given day. So-called pumped hydro stations can even move water between two different elevations, providing a surge of electricity at the touch of a button.看来挺好的

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