Power plant · Portsmouth, England, United Kingdom
Fort Widley, Portsdown Hill Road - Battery Energy Storage System
Fort Widley, Portsdown Hill Road - Battery Energy Storage System is a planned power plant in Portsmouth, England, United Kingdom, with 120 MW of capacity, operated by Voltwise Power Holdings Limited.
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 | Portsmouth (coordinates), England | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Fort Widley, Portsdown Hill Road, Portsmouth, PO6 3LS | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Status | Planned (planning application submitted) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 31 Jul 2025 (reference 25/00797/FUL, planning authority Portsmouth) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Voltwise Power Holdings Limited | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 120 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Technology | Battery (stand-alone storage) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 50.8543, -1.0597 | 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.
- Permit applied for (planning authority Portsmouth, reference 25/00797/FUL)
How it compares
Fort Widley, Portsdown Hill Road - Battery Energy Storage System is the 240th-largest of 2,174 power plants planned, permitted or under construction in England and the 395th-largest of 3,222 in the United Kingdom by capacity; its 120 MW is <0.1% of the 300,461 MW of power plants planned, permitted or under construction we hold for the United Kingdom. It is not built yet, so it is ranked among the power plants planned, permitted or under construction in our data, apart from the ones running today. Ranks and totals cover the ones that report their capacity.
| Within | Rank | Total | Share |
|---|---|---|---|
| England | 240th of 2,174 | 185,888 MW | <0.1% |
| United Kingdom | 395th of 3,222 | 300,461 MW | <0.1% |
| All power plants planned, permitted or under construction in our data | 1,185th of 6,455 | 664,040 MW | <0.1% |
Nearby
Within 50 km of this power plant: 193 grid connections (112 operating, 952 MW), 158 substations, 8 data centers and 1 transmission line, measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Fort Widley grid connection | Grid connection | 120 MW | Planned | 0.2 km |
| Fort Widley BSP | Substation | — | — | 1.5 km |
| Purbrook Primary | Substation | — | — | 1.5 km |
| Wymering BSP | Substation | — | — | 1.7 km |
| Generation 15.96 MW grid connection at Northarbour RD GEN | Grid connection | 16 MW | Operating | 1.9 km |
| Lakeside 1000 North Harbour grid connection | Grid connection | 5.07 MW | Planned | 2.2 km |
| SSE data center, Havant | Data center | — | — | 6.1 km |
| Aquind Interconnector | Transmission line | — | Planned | 7.2 km |
| ServerHouse | Data center | — | — | 7.5 km |
Operator and place
Grid connections attached to this power plant
More from Voltwise Power Holdings Limited
Other power plants in England
- Walpole Flexible Generation Project2,000 MW
- Outer Dowsing Offshore Wind Farm1,500 MW
- Hornsea 2 - Optimus and Breesea1,320 MW
- Hornsea 1 - Heron & Njord1,218 MW
- Atlantic Array One - Bristol Channel Zone1,200 MW
- Five Estuaries - Wind Farm1,080 MW
- Rugeley Power Plant Conversion1,000 MW
- Teesworks Battery Storage Project1,000 MW
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.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- © 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.
- Rare Context entity resolution. Rare Context entity resolution, CC0 1.0.
- 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.