Substation · England, United Kingdom
Merryhill Primary 11kV Substation
Merryhill Primary 11kV Substation is an 11 kV primary substation in England, United Kingdom, with 3.8 MVA of demand headroom and 19.4 MVA of generation headroom, operated by Eastern Power Networks plc (UK Power Networks, 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 | Eastern Power Networks plc (UK Power Networks, East England licence area) | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Demand headroom | 3.8 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Generation headroom | 19.4 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Firm capacity | 19.5 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 | 11 kV | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Coordinates | 51.6353, -0.3538 | 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: 386 power plants (135 operating, 2,731 MW), 356 grid connections (248 operating, 2,317 MW), 154 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 |
|---|---|---|---|---|
| Hilfield Lane, Aldenham - Battery Energy Storage | Power plant | 170 MW | Permitted | 2.6 km |
| Bio Products Laboratory grid connection | Grid connection | 2 MW | Operating | 2.8 km |
| Hilfield - Solar arrays & Battery storage | Power plant | 49.9 MW | Cancelled | 2.8 km |
| Elstree Substation, Hilfield Lane - Battery Energy Storage | Power plant | 400 MW | Cancelled | 3.0 km |
| The Chess Building | Data center | — | — | 5.2 km |
| Mirror Colour Print Ltd grid connection | Grid connection | 7.2 MW | Operating | 5.5 km |
| Rowley Lane grid connection | Grid connection | 2.49 MW | Operating | 7.5 km |
| Kao Data KLON-05 | Data center | — | — | 10 km |
| Kyndryl UK Ltd | Data center | — | — | 10 km |
Grid operator and place
More from Eastern Power Networks plc
- Canvey Primary 11kVsubstation
- Thorley Primary 11kVsubstation
- Peterborough South Grid 11kVsubstation
- Westbury Primary 11kVsubstation
- Laxfield Primary 11kVsubstation
- Fulbourn Grid 33kVsubstation
- Earlham Grid 33kVsubstation
- Hunstanton Primary 11kVsubstation
Candidate sites around this substation
4 sites of land near Merryhill Primary 11kV have it as nearest substation. Each site page gives its area, its distance to the substation and its site score; owners are on request.
- 4.49 ha brownfield site at Hartsbourne Country Club, Bushey WD23 1JW, Hertsmere0.71 km · score 23
- 1.42 ha brownfield site at Former Bushey Golf and Country Club WD23 1TT, Hertsmere1.07 km · score 18
- 6.74 ha brownfield site at Common Road, The Princess Alexandra Care Home, Stanmore, Harrow1.54 km · score 11
- 1.5 ha brownfield site at 16 And Land Rear Of 14 To 18A Merry Hill Road, Bushey, WD23 1DY, Hertsmere1.49 km · score 11
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.