‘Risking blackouts’? How Great Britain’s grid operator was dragged into a political row
Neso denies allegations aired by Tory MP that staff took part in cover-up over decision-making in heatwave In a control room in Wokingham, Berkshire, staff work around the clock, minute by minute, to align Great Britain’s fluctuating power supplies with its...
Great Britain’s grid operator has been pulled into a political dispute after a Tory MP accused it of risking blackouts during a period of hot weather, prompting a firm denial from the National Energy System Operator, or Neso.
According to a monitored public feed from The Guardian Business, the row centres on how the government-owned operator handled power-system decisions during recent heatwaves. Neso, which runs from a control room in Wokingham, Berkshire, balances electricity supply and demand around the clock to keep the system stable. The article says that, in recent weeks, staff have been dealing with unusually difficult conditions more often associated with winter peaks than with summer temperatures.
The Guardian reports that a Conservative MP alleged there had been a cover-up around decision-making during the heatwave. Neso rejected that claim. No further details of the allegation were included in the feed summary, but the dispute has placed the operator in the political spotlight at a time when high temperatures are increasing pressure on infrastructure.
The controversy also highlights how quickly energy security can become a live political issue when weather strains the grid. Britain’s electricity system must constantly manage shifting demand, and extreme heat can complicate operations just as much as cold snaps, especially when the system is under pressure from changing consumption patterns.
Neso’s role is central to that balancing act. The operator is responsible for coordinating supply so that homes and businesses continue to receive power without disruption. The feed summary indicates that staff have been working continuously in the control room as temperatures rose, underscoring the operational demands created by summer heat.
This report is based on a monitored public feed. Source attribution: The Guardian Business.
Source: The Guardian Business - https://www.theguardian.com/business/2026/jul/22/risking-blackouts-great-britain-grid-operator-neso-heatwave
