Sheringham Shoal will be the largest and most important wind project in either company’s stable, with the total investment now estimated at NOK 10bn ($1.5bn). The wind farm is expected to produce around 1.1 terrawatt hours (TWh) of electricity each year, or enough to power 220,000 UK homes.

State-owned Statkraft is Europe’s largest generator of renewable energy through its vast hydroelectric portfolio.