In a letter signed by top officials from Alstom, Areva, Doosan, Gamesa, Mitsubishi Power Systems, Siemens, and Vestas, the companies warn that long-term investments carry a risk of “stranding” if present policies aimed at decarbonisation and green growth were to change.

“The recent delays and reported disagreement in government over [Renewables Obligation] banding, and speculation about the future rationing of feed-in tariff contracts, are two examples that have caused us to reassess the level of political risk in the UK,” the letter states.

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