Although a common bugbear for many global industries, especially energy, ­outright protectionism has been relatively rare in offshore wind — partly as a result of the sector having mostly grown up in flush economic times, and partly because EU laws make such measures difficult to implement.

But the horrendous economic conditions and political acrimony roiling the EU are darkening the outlook for free-traders, as governments look to ensure offshore wind jobs are created — and remain — at home.

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