Inside the huge tunnels housing 8km of cables between Wimbledon and Wandsworth

Inside the huge tunnels housing 8km of cables between Wimbledon and Wandsworth

UK Power Networks has spent £12m upgrading Wimbledon & Wandsworth substations with eco-friendly XLPE cables, boosting electricity reliability.

London substations to benefit from £12 million cable network upgrade, boosting energy supply - Energy Sustainability Solutions

Two of South West London’s most significant substations will be reinforced through a £12 million cable network upgrade. Two circuits will form an eight kilometre route between Wimbledon and Wandsworth to bolster energy supplies for more than 57,000 residents and businesses in the area, with the first circuit already energised and the second going live in summer 2026. UK Power Networks has proactively replaced the historic 132,000-volt circuits w…