Oil giant TotalEnergies has joined a £20bn ($25.3bn) plan to pipe renewable power almost 4,000km from Morocco to England, in a boost to one of the world’s most ambitious green energy projects.

The French supermajor invested £20m for a minority stake in the company advancing Xlinks, which aims to tap 11.5GW of Saharan wind and solar for transmission via 3.6GW