The Spanish group’s chief executive, José Ignacio Sánchez Galán, remains “firmly” of the opinion that the pace of technology-driven cost reduction will bring this energy resource into the mainstream by the end of the decade. Yet, it is far from a done deal. And his renewables division boss, Xabier Viteri Solaun, has even warned that the sector could come undone after 2020 if the industry’s levelised cost of energy (LCoE) is not cut by 40% from current levels of around £140 ($220) per MWh.