Substation · England, United Kingdom
St Helier 11kV Substation
St Helier 11kV Substation is an 11 kV primary substation in England, United Kingdom, with 3.4 MVA of demand headroom and 23.9 MVA of generation headroom, operated by South Eastern Power Networks plc (UK Power Networks, South East England licence area).
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | England | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Grid operator | South Eastern Power Networks plc (UK Power Networks, South East England licence area) | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Demand headroom | 3.4 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Generation headroom | 23.9 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Firm capacity | 23 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Level | Primary substation | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Voltage | 11 kV | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Coordinates | 51.3809, -0.1964 | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
Research on this substation and the land around it.Its headroom, connection queue and congestion, who owns the land around it, and an introduction to those owners.
Nearby
Within 50 km of this substation: 352 grid connections (250 operating, 2,332 MW), 346 power plants (130 operating, 3,480 MW), 151 data centers (1 operating, 88 MW), 1 transmission line and 1 AI supercomputer, measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Cheam WTW 213936 grid connection | Grid connection | 4.42 MW | Operating | 2.3 km |
| Bio Collectors grid connection | Grid connection | 2.1 MW | Operating | 2.4 km |
| Mitcham Eco Park (Waste AD) | Power plant | 6.2 MW | Cancelled | 2.7 km |
| Willow Lane Wind Turbines | Power plant | 11 MW | Cancelled | 3.3 km |
| Beddington EfW | Power plant | 26 MW | Operating | 3.6 km |
| 15 Cotswold Rd grid connection | Grid connection | 2 MW | Operating | 3.9 km |
| CapitalLand - Croyden | Data center | — | — | 4.1 km |
| Segro Croydon (Morgan Stanley) | Data center | — | — | 4.2 km |
| Pulsant South London | Data center | — | — | 6.1 km |
Grid operator and place
More from South Eastern Power Networks plc
- Thanet Grid 33kVsubstation
- Hastings 33kVsubstation
- The Droveway 11kVsubstation
- Edenbridge 11kVsubstation
- Jarvis Brook 6.6kVsubstation
- Chatham Hill 11kVsubstation
- Selhurst 6.6kVsubstation
- Dymchurch 11kVsubstation
Other substations in England
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- UK Power Networks. UK Power Networks open data portal, CC BY 4.0.