第三階段 (2008-2014) 初期,英國政府推出一系列積極政策和制度變革,包括通過氣候變遷法案、建立「能源和氣候變遷部」 (Department of Energy and Climate Change)、和獨立的「氣候變遷委員會」(Climate Change Committee,簡稱CCC)、並修改RO,強化了大型電力公司對再生能源的投入。不過該政策力道也受金融海嘯和民眾氣候意識衰退的挑戰,保守黨政府2010年上台後,雖不情願地通過了電力收購制度,但未致力推動再生能源電力的長期目標。
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