The deal, which the companies position as a “broad strategic relationship”, would represent among the largest plays yet by an oil supermajor in solar and could be a boon to other PV companies. It follows closely on General Electric’s $600m bet on solar, announced earlier this month.

Philippe Boisseau, president of the Total Gas and Power Division, says the world is undergoing a “long-term transition in which renewable energies will take their place alongside conventional resources...