The UK grid operator warned of an anticipated 19 GW supply–demand shortfall and has asked generators to release additional available capacity. Such notices are used when the system requires a larger safety margin than current supply provides. A continent-wide heatwave has heavily strained European grids; peak-period power prices have surged regionwide and France has cut output at some nuclear plants. The operator said in a Tuesday evening alert the measure is to secure supply and does not indica

The UK grid operator warned of an anticipated 19 GW supply–demand shortfall and has asked generators to release additional available capacity. Such notices are used when the system requires a larger safety margin than current supply provides. A continent-wide heatwave has heavily strained European grids; peak-period power prices have surged regionwide and France has cut output at some nuclear plants. The operator said in a Tuesday evening alert the measure is to secure supply and does not indicate imminent blackouts.