Grid bosses cling on after an inquiry lays bare panic over blackout risks during June's heatwave

National Energy System Operator control room whistleblowers alleged that senior executives had concealed how close Britain came to blackouts during the June heatwave. The inquiry they prompted identified 'concerning issues' at the heart of the grid, yet still concluded that staff had not hidden the blackout risks. Neso's leadership has kept its positions.

The probe was launched over allegations raised by Neso whistleblowers.

Investigators examined how blackout risks were handled during the June heatwave.

Grid operators reportedly warn that net zero is making it harder to keep the lights on.