Grid connection · England, United Kingdom
Marchwood grid connection
Marchwood grid connection is a grid connection in England, United Kingdom, with 920 MW of capacity, held by Marchwood Power 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 | England (connects at Marchwood 400kV Substation) | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Status | Operating (built) | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Holder | Marchwood Power Limited | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Attached to | Marchwood | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Capacity | 920 MW | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Technology | CCGT (Combined Cycle Gas Turbine) | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Grid operator | National Grid Electricity Transmission plc | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
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How it compares
Marchwood grid connection is the 144th-largest of 2,533 grid connections in England and the 201st-largest of 3,903 in the United Kingdom by capacity; its 920 MW is 0.21% of the 446,745 MW we hold for the United Kingdom. Ranks and totals cover the grid connections in our data that report their capacity, not every one in existence.
| Within | Rank | Total | Share |
|---|---|---|---|
| England | 144th of 2,533 | 319,370 MW | 0.29% |
| United Kingdom | 201st of 3,903 | 446,745 MW | 0.21% |
| All grid connections in our data | 331st of 7,616 | 1,281,251 MW | <0.1% |
Holder, grid operator and place
Other grid connections in England
- Bute Hydrogen Project 1 grid connection4,800 MW
- Drax BECCS grid connection3,906 MW
- Drax Power Station grid connection3,906 MW
- Bute Hydrogen Project 2 grid connection3,600 MW
- Bute Hydrogen Project 3 grid connection3,600 MW
- Bute Hydrogen Project 5 grid connection3,600 MW
- Bute Hydrogen Project 6 grid connection3,600 MW
- Hinkley Point C grid connection3,340 MW
Data on this page
- California ISO. Checked 2026-10-24. CAISO queue report, CAISO Privacy and Terms of Use.
- SP Electricity North West, via Northern Powergrid Open Data. SP Electricity North West open data portal, CC BY 4.0.
- ERCOT GIS report. ERCOT GIS report, ERCOT Terms of Use.
- Supported by National Energy SO Open Data. NESO TEC Register, NESO Open Data Licence v1.0.
- Supported by Northern Powergrid Open Data. Northern Powergrid open data portal, Northern Powergrid Open Data Licence v1.0.
- NYISO interconnection queue. NYISO interconnection queue, Free reuse.
- PJM New Services Queue. PJM New Services Queue, Free reuse.
- SP Energy Networks, via Northern Powergrid Open Data. SP Energy Networks open data portal, CC BY 4.0.
- SSEN Distribution. SSEN Distribution data portal, CC BY 4.0.