Inquiry finds governance and staffing problems at Britain’s electricity grid operator

An independent investigation into whistleblower claims at Great Britain’s grid operator found significant cultural, governance and control issues, including high stress among control room staff. It did not substantiate claims that executives improperly influenced operational decisions or discouraged engineers from keeping records, but the findings matter because the control room is responsible for maintaining the power system.

The claims followed a June heatwave when grid frequency fell below normal limits several times and emergency help was needed from neighbouring countries. High temperatures increased electricity demand for air conditioning, while a heat dome reduced wind generation and contributed to unplanned gas and nuclear plant outages in Europe. Staff said senior executives did not fully understand the pressures they faced, and that concerns often went unheard; Ofgem is conducting a separate investigation into whether these issues affected grid security or consumer costs.