The combine, which will be led by newly appointed chief executive Joao Metelo, is developing projects around its WindFloat semisubmersible turbine arrays in the US, UK and Portugal.

"As Principle Power transitions from a start-up to a mature operating company, it is important to unite the company around a single vision – to be the leader in deep water wind technology that opens access to new sources of clean renewable energy worldwide," says Metelo, who takes over the top post at Principle Power from company co-founder Alla Weinstein, who is moving on "to pursue new endeavours".

"The