Power plant · New Forest, England, United Kingdom
Testwood Water Supply Works
Testwood Water Supply Works is a power plant in New Forest, England, United Kingdom, with 1.9 MW of capacity, operated by Southern Water Services 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 | New Forest (coordinates), England | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Testwood Pumping Station, Nutsey Close, Totton, Southampton, Hampshire, SO40 3QU | 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 | 2017 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Permit date | 12 Dec 2016 (permit 16/11007, Town and Country Planning Act, issued by New Forest) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 15 Jul 2016 (reference 16/11007, planning authority New Forest) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 12 Dec 2016 (granted, reference 16/11007, planning authority New Forest) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Southern Water Services Limited | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 1.9 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Technology | Solar Photovoltaics | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 50.9328, -1.4951 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
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How it compares
Testwood Water Supply Works is the 2,935th-largest of 3,430 power plants in England and the 4,367th-largest of 5,050 in the United Kingdom by capacity; its 1.9 MW is <0.1% of the 115,642 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 | 2,935th of 3,430 | 71,985 MW | <0.1% |
| United Kingdom | 4,367th of 5,050 | 115,642 MW | <0.1% |
| All power plants in our data | 10,682nd of 12,008 | 1,173,302 MW | <0.1% |
Timeline
Dated facts about this power plant from its sources, oldest first.
- Permit issued (Town and Country Planning Act), no. 16/11007
- Started operating
Nearby
Within 50 km of this power plant: 218 grid connections (123 operating, 1,152 MW), 191 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 |
|---|---|---|---|---|
| BUTTS Field Energy Storage grid connection | Grid connection | 99 MW | Planned | 0.9 km |
| Gerard Hall Battery Site grid connection | Grid connection | 50 MW | Planned | 0.9 km |
| SHB Hire Ltd grid connection | Grid connection | 50 MW | Planned | 0.9 km |
| Nursling GSP | Substation | — | — | 1.0 km |
| Totton Primary | Substation | — | — | 1.5 km |
| Rownhams BSP | Substation | — | — | 2.5 km |
| Sky Chilworth | Data center | — | — | 5.7 km |
| Regit4u | Data center | — | — | 17 km |
| SCC | Data center | — | — | 19 km |
Operator and place
More from Southern Water Services Limited
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- 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
- DESNZ Renewable Energy Planning Database (REPD). 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.
- Planning Inspectorate: National Infrastructure Projects. 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.