Spain’s grid operator denied on Wednesday dependence on solar power was to blame for the country’s worst blackout, while Prime Minister Pedro Sanchez came under increasing pressure to explain what went wrong.
With life returning to normal after a power outage that halted trains, shut airports and trapped people in lifts, Sanchez’s opponents pointed the finger at low investment in a system that increasingly relies on intermittent solar and wind power.
Sanchez has announced a government investigation and said he was seeking answers from private energy companies that feed power into the grid. He also