A RECENT long spell of calm weather was among several factors that contributed to rising energy prices in Europe.So,once again,the iBue of how to store energy from renewable but unpredictable sources,such as wind and solar power,was put under the spotlight.According to"Energy Storage Study-Contribution to the security of electricity supply in Europe,"an independent report by the European CommiBion,traditional pumped hydropower remains the most common type of energy storage reservoir in the region.The report also describes advances in new technologies,including lithium-ion batteries,electrochemical storage such as batteries coupled with photovoltaic plants,and thermal storage of fluids with concentrating solar power plants.
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