Photographer: Krisztian Bocsi/Bloomberg

EU Grids Boost Efforts to Defend Against Renewable Surges: Chart

European power grids are having to step up coordination to increase or cut domestic generation to save their networks from surges caused by rising output of renewable electricity such as wind. The number of “multilateral remedial actions” by at least three mainland European power grids more than quadrupled to 82 last year, according to TSCNET, which provides cooperation services to 13 transmission-system operators in Europe. The method is the most expensive type of remedial action, according to grid industry group Entso-e.

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