Achieving UK prime minister Boris Johnson’s election promise of a fourfold expansion in offshore wind — from about 10GW today to 40GW by 2030 — will be far from easy, requiring significant changes to a range of policy frameworks, including seabed leasing, Contracts for Difference (CfD) and offshore transmission, leading industry figures tell Recharge.

Adding 30GW of wind power at sea within a decade will be a mammoth undertaking, necessitating the installation of one 10-12MW turbine every weekday throughout the 2020s, about £48bn ($62.3bn)