Substation · England, United Kingdom
St Johns Wood 22kV Substation
St Johns Wood 22kV Substation is a 22 kV primary substation in England, United Kingdom, with 26.8 MVA of demand headroom and 52 MVA of generation headroom, operated by London Power Networks plc (UK Power Networks, London 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 | London Power Networks plc (UK Power Networks, London licence area) | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Demand headroom | 26.8 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Generation headroom | 52 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Firm capacity | 58.5 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 | 22 kV | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Coordinates | 51.5272, -0.1717 | 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: 363 power plants (133 operating, 4,367 MW), 359 grid connections (255 operating, 2,381 MW), 148 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 |
|---|---|---|---|---|
| Oil 1.6 MW grid connection at Duke St B 11kV | Grid connection | 1.6 MW | Operating | 1.0 km |
| Visa London | Data center | — | — | 1.1 km |
| Oil 1.6 MW grid connection at Hyde Park Estate A 11kV | Grid connection | 1.6 MW | Operating | 1.1 km |
| Oil 1 MW grid connection at Georgiana St 11kV | Grid connection | 1 MW | Operating | 2.5 km |
| Verizon UK5 | Data center | — | — | 3.0 km |
| Pegasus House, Sackville Street - Roof Mounted Solar Panels | Power plant | 2.3 MW | Cancelled | 3.2 km |
| Westfield London Shopping Centre, Ariel Way - Solar Panels | Power plant | 1 MW | Planned | 3.9 km |
| Verne Global London Data Centre | Data center | — | — | 4.9 km |
| Willesden | Power plant | 8 MW | Cancelled | 5.3 km |
Grid operator and place
More from London Power Networks plc
- Leicester Sq 11kVsubstation
- Ley St B 11kVsubstation
- Deptford Grid 11kVsubstation
- Aberdeen Pl B 11kVsubstation
- Farjeon Rd 11kVsubstation
- Shorts Gdns 11kVsubstation
- Crayford 11kVsubstation
- Chislehurst 11kVsubstation
Candidate sites around this substation
1 site of land near St Johns Wood 22kV has it as nearest substation. Each site page gives its area, its distance to the substation and its site score; owners are on request.
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.