Live / Great Britain
Infrastructure
Explore mapped electricity lines, cables and substations. This is reference geography, not live equipment status.
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Map credits
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Search and voltage filters apply to infrastructure and the results list. Map data and type switches affect the map only.
Orange: lines and substations · Purple: cables · Teal: power stations / clusters · Gold: selected feature
Map detail is limited at this scale. Zoom in or choose more detail; the list also includes records with missing geometry.
Infrastructure results
| Name / identity | Type | Voltage (V) | Geometry |
|---|---|---|---|
| Tottenham - Redbridge | line | 275000 | valid |
| Tottenham - Redbridge | cable | 275000 | valid |
| Tottenham - Redbridge | cable | 275000 | valid |
| Tottenham - Redbridge | cable | 275000 | valid |
| Tottenham Substation | substation | 275000 | valid |
| Tottenham-Hackney | line | 275000 | valid |
| Tottenham-St John's Wood | cable | 275000 | valid |
| Tottenham-St John's Wood | cable | 275000 | valid |
| Tottenham-St John's Wood | cable | 275000 | valid |
| Trawsfynydd Substation | substation | 400000;275000 | valid |
| Tremorfa Substation | substation | 275000;33000 | valid |
| Triton Knoll 400kV Cable Circuit 2 | cable | 400000 | valid |
| Triton Knoll Wind Farm Substation | substation | 400000;220000 | valid |
| Tummel Substation | substation | 275000;132000 | valid |
| Tynemouth Substation | substation | 275000 | valid |
| Upper Boat Supergrid - Cilfynydd Supergrid (A) | circuit | 275000 | unsupported |
| Upper Boat Supergrid - Cilfynydd Supergrid (B) | circuit | 275000 | unsupported |
| Upper Boat Supergrid Substation | substation | 275000;132000;33000 | valid |
| Uskmouth Grid Substation | substation | 275000;132000;33000 | valid |
| Viking Link | circuit | 525000 | missing |
Reviewed interconnector endpoints
Partial GB coverage from explicit source circuit membership. These are converter-site footprints, not complete cable routes or surveyed connection points. Missing records remain unknown.
- BritNed — Grain Static Inverter Plant · Source-member converter station
- East-West Interconnector — Shotton Converter Station · Source-member converter station
- ElecLink — Folkestone Converter Station · Source-member converter station
- Greenlink — Penfro Converter Station · Source-member converter station
- HVDC Moyle — Auchencrosh Static Inverter Plant · Source-member converter station
- Interconnexion France-Angleterre 2 — Daedalus Converter Station · Source-member converter station
- Nemo Link — NEMO Link converter station · Source-member converter station
- North Sea Link — Cambois Converter Station · Source-member converter station
- Viking Link — Viking Link Converter Station · Source-member converter station