Power plant · South Oxfordshire, England, United Kingdom
Efda JJET Fusion Flywheel Power Station
Efda JJET Fusion Flywheel Power Station is a power plant in South Oxfordshire, England, United Kingdom, with 400 MW of capacity, operated by Efda Jet.
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 |
|---|---|---|
| Name in the source | EFDA JJET Fusion Flywheel | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Location | South Oxfordshire (coordinates), England | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Abingdon, Oxfordshire, OX14 3DB | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Status | Operating (operational) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Start year | 2006 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Efda Jet | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 400 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Technology | Flywheels (stand-alone storage) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 51.6584, -1.2257 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
Research on this power plant and its operator.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the operator.
Request researchLatest events
Dated events about this power plant from official notices and registers, newest first. All recent changes.
- Commissioned
How it compares
Efda JJET Fusion Flywheel is the 68th-largest of 4,035 power plants in England and the 95th-largest of 5,834 in the United Kingdom by capacity; its 400 MW is 0.2% of the 200,500 MW we hold for the United Kingdom. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| England | 68th of 4,035 | 134,434 MW | 0.3% |
| United Kingdom | 95th of 5,834 | 200,500 MW | 0.2% |
| All power plants in our data | 1,411th of 15,800 | 1,923,633 MW | <0.1% |
Nearby
Within 50 km of this power plant: 212 grid connections (110 operating, 1,201 MW), 201 substations and 60 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 |
|---|---|---|---|---|
| Culham Primary | Substation | — | — | 0.8 km |
| Burcot Farm - PV and Battery grid connection | Grid connection | 100 MW | Planned | 2.5 km |
| Cowley Battery Storage grid connection | Grid connection | 50 MW | Planned | 3.0 km |
| Sutton Courtenay grid connection | Grid connection | 12.5 MW | Planned | 3.1 km |
| Winsmore Lane Primary | Substation | — | — | 4.3 km |
| Berinsfield Primary | Substation | — | — | 4.7 km |
| AWS Didcot Data Centre | Data center | — | — | 5.2 km |
| R89 | Data center | — | — | 11 km |
| University Shared Data Centre | Data center | — | — | 11 km |
Operator and place
Other power plants in England
- Drax Power Station Biomass Units2,580 MW
- Ratcliffe-on-Soar2,021 MW
- Cottam2,000 MW
- Walpole Flexible Generation Project2,000 MW
- West Burton2,000 MW
- Eggborough1,960 MW
- Staythorpe1,828 MW
- Fiddler’s Ferry1,510 MW
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
- Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
- © 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.
- RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.
- SSEN Distribution. SSEN Distribution data portal, CC BY 4.0.
- Wikidata. Wikidata, CC0 1.0.