On April 16, 2025, Spain celebrated a green energy triumph. Just six days later, the lights went out across the entire country. April 16: Spain’s first weekday of 100% renewable power In a historic achievement, Spain’s national grid was powered entirely by renewable energy on Tuesday, April 16 – the first time this has ever happened on a weekday. Between 10:00 a.m. and 7:00 p.m., wind, solar, and hydro met 100 per cent of mainland electricity demand, according to Red Eléctrica (cited by PV Magazine). At 11:15 a.m., wind and solar alone produced 100.63 per cent of demand. April 22:...