Issues Power Supply Warning as Wind Generation Plummets

The UK’s National Energy System Operator warned that electricity supplies may be tight starting Tuesday afternoon as wind generation is expected to drop further overnight. In its notice, the operator flagged a potential shortfall of 1.9 gigawatts between 3 p.m. and 11 p.m. London time, describing the gap as larger than in an earlier comparison window. The warning points to how quickly generation forecasts can shift when wind output falls, tightening the balance between demand and available supply across the grid. The operator’s message indicates system pressures during the evening period when electricity needs often rise.