In a separate transaction, the UK government-backed GIB is also spending £220m to buy a 10% stake in the 576MW Gwynt y Môr offshore wind farm being built off north Wales by RWE Innogy.

In the case of Westermost Rough, a Dong statement said: “After the joint venture has been established all shareholders will contribute on a pro-rata basis to future funding and sharing of the risks related to the construction of the project.”

Danish