£6.8 million Sutton investment in future-ready power network
Posted by: electime 2nd July 2026
A £6.8 million electricity network upgrade between Sutton and Beddington has strengthened the electricity network for thousands of homes and businesses.
UK Power Networks has installed 6.8km of new underground cables to maintain reliable power supplies for more than 68,000 customers. In future the new cables will be able to carry more electricity and reduce the need for further roadworks later as electricity demand grows.
The two new 132,000-volt cables run parallel along a 3.4km route installed by digging trenches, laying ducts and pulling through new cables, joined together from sites at intervals. A deep excavation was needed on part of the route to pull new cables into an existing tunnel.
Gbenga Odesola, project manager at UK Power Networks, said: “Energisation of these cables marks the culmination of a significant investment in long-term resilience, modernising the network and preparing for future demand, including as more of us connect to low carbon technologies.
“I’m proud of the way our team worked safely and collaboratively to deliver this important investment project. Their commitment has strengthened the network and will help ensure a reliable electricity supply for thousands of customers for years to come.”
TJ O’Keeffe, construction manager at Clancy, said: “This was a complex project, delivered safely through strong teamwork and close collaboration with our client, UK Power Networks. Working around live 132,000-volt cables required care and specialist methods, including vacuum excavation. I’m proud of the commitment and expertise that went into delivering this important investment for the local community.”
The work is part of UK Power Networks’ wider investment programme, with more than £800 million invested last year across the South East, London and East of England to keep power supplies safe and reliable while supporting the shift to a lower-carbon future.






