Spain’s grid ran entirely on renewable energy for the first time on April 16, with wind, solar, and hydro meeting all peninsular electricity demand during a weekday. Five days later, solar set a new record, generating 20,120 MW of instantaneous power – covering 78.6% of demand and 61.5% of the grid mix.| pv magazine International
The total Iberian blackout on 28 April 2025 illustrates the dangers of operating power grids with low inertia| Watt-Logic