London Power Tunnels 2 — Bengeworth Road substation
A new National Grid 400/132 kV substation within the existing Bengeworth Road electricity site in Lambeth, connecting London Power Tunnels 2 to UK Power Networks’ local distribution network. The marker represents the shared substation site.[1][2][3]
Current position
National Grid reported delivery of the first supergrid transformer and SF6-free switchgear on 21 January 2025. Full substation energisation has not been verified.
Benefits
- Provides a new transmission-to-distribution connection for electricity supplies to homes and businesses in south London.
- Uses SF6-free gas-insulated switchgear to avoid sulphur hexafluoride in the new high-voltage equipment.