Substation · England, United Kingdom
Harwell Primary
Harwell Primary is a substation in England, United Kingdom, connected by Southern Electric Power Distribution plc.
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 | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Grid operator | Southern Electric Power Distribution plc | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Demand headroom | 39.1 MVA | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Generation headroom | 0 MW | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Transformers | 2 x 20 / 40MVA | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Level | Primary | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Fed from | Cowley GSP | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Congestion (offtake) | None (green on the heat map) | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Congestion (feed-in) | Full (red on the heat map, limited by upstream thermal capacity & substation fault level) | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Voltage | 132 kV (levels 132, 11 kV) | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Coordinates | 51.5796, -1.3174 | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
Research on this substation and its grid operator.Who owns it up to the parent company, its headroom, congestion and the land around it, and an introduction to the grid operator.
Request researchNearby
Within 50 km of this substation: 332 power plants (121 operating, 2,076 MW), 256 grid connections (132 operating, 1,565 MW) and 62 data centers, measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| R89 | Data center | — | — | 0.6 km |
| Rutherford Appleton Laboratory | Power plant | 1.6 MW | Permitted | 0.8 km |
| Avon Road Car Park - Solar Photovoltaic Carport System | Power plant | 1.62 MW | Operating | 1.1 km |
| Reading Road | Power plant | 25 MW | Cancelled | 3.5 km |
| Hill Farm PV grid connection | Grid connection | 11.2 MW | Operating | 4.2 km |
| 49.9MW grid connection | Grid connection | 50 MW | Planned | 4.5 km |
| Steventon Fields grid connection | Grid connection | 9.5 MW | Operating | 5.4 km |
| AWS Didcot Data Centre | Data center | — | — | 5.7 km |
| University Shared Data Centre | Data center | — | — | 21 km |
Grid operator and place
More from Southern Electric Power Distribution plc
- Amersham GSPsubstation
- Loudwater BSPsubstation
- Bowerdean Primarysubstation
- Flackwell Heath Primarysubstation
- Well End Primarysubstation
- Wycombe Marsh Primarysubstation
- Axminster GSPsubstation
- Yeovil BSPsubstation
Other substations in England
Data on this page
- DESNZ Renewable Energy Planning Database (REPD). DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- SSEN Distribution. SSEN Distribution data portal, CC BY 4.0.