Substation · England, United Kingdom
Holloway Grid 66kV Substation
Holloway Grid 66kV Substation is a 66 kV primary substation in England, United Kingdom, with 27.9 MVA of demand headroom and 75.2 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 | 27.9 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Generation headroom | 75.2 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Firm capacity | 78 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 | 66 kV | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Coordinates | 51.5527, -0.1154 | 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: 374 power plants (133 operating, 4,482 MW), 370 grid connections (261 operating, 2,559 MW), 146 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 |
|---|---|---|---|---|
| Emirates Stadium grid connection | Grid connection | 2.8 MW | Operating | 0.5 km |
| Verizon UK5 | Data center | — | — | 2.0 km |
| Oil 3 MW grid connection at Hatchard Rd 11kV | Grid connection | 3 MW | Operating | 2.3 km |
| Oil 1 MW grid connection at Georgiana St 11kV | Grid connection | 1 MW | Operating | 2.3 km |
| Stellanor London North | Data center | — | — | 2.8 km |
| Verne Global London Data Centre | Data center | — | — | 3.4 km |
| Pegasus House, Sackville Street - Roof Mounted Solar Panels | Power plant | 2.3 MW | Cancelled | 5.0 km |
| Olympic Park Wind Turbine | Power plant | 2.5 MW | Cancelled | 7.3 km |
| North London (Electricity Line) Reinforcement | Transmission line | — | Permitted | 7.4 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
5 sites of land near Holloway Grid 66kV have it as nearest substation. Each site page gives its area, its distance to the substation and its site score; owners are on request.
- 3.19 ha brownfield site at Harvist Estate Car Park, Islington0.59 km · score 49
- 3.99 ha brownfield site at Holloway Prison, Parkhurst Road, Islington0.63 km · score 48
- 3.33 ha brownfield site at Pentonville Prison, Caledonian Road, Islington0.87 km · score 45
- 1.91 ha brownfield site at York Way Estate, Islington1.02 km · score 43
- 1.85 ha brownfield site at Drakeley Court Estate and Aubert Court Estate, Islington1.01 km · score 43
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.
- Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
- UK Power Networks. UK Power Networks open data portal, CC BY 4.0.