Britain races to overhaul power grid for the clean energy era
A massive underground tunneling effort and £35 billion in planned upgrades signal Britain’s urgent push to modernize its electricity grid for renewable energy and digital growth.
Stanley Reed reports for The New York Times.
In short:
- National Grid is rebuilding the high-voltage electricity system in England and Wales to accommodate renewable energy and a surge in demand from electric vehicles and AI data centers.
- The British government plans for 95% of electricity to come from low-carbon sources like wind and nuclear by 2030, up from about 60% in 2023, while power demand is expected to double.
- Infrastructure delays, local opposition to pylons, and aging assets like a substation that recently caused a Heathrow Airport outage pose major challenges to reaching the country’s energy transition goals.
Key quote:
"Effectively, what we’re doing is reconfiguring the whole network.”
— John Pettigrew, chief executive of National Grid
Why this matters:
Britain’s electricity grid, built for a coal-powered past, is now being asked to serve a wind-and-solar future while handling rising demand from electric vehicles and the AI-driven digital economy. Unlike fossil fuel plants, renewable energy sources are intermittent and spread across wide geographies — often offshore — requiring a more dynamic, responsive grid. The country’s ability to meet its climate goals and energy security needs will hinge on its success not just in rewiring cables and substations, but modernizing policies and planning systems that critics say move too slowly. As other nations look to decarbonize, the UK's experience may become a global case study — for better or worse.
Good news: UK sees 4% drop in carbon emissions as gas and coal use declines
