Grid connection · England, United Kingdom
Walham 700MW BESS grid connection
Walham 700MW BESS grid connection is a planned grid connection in England, United Kingdom, with 700 MW of capacity, held by GPC 1154 Ltd.
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 (connection site: Walham 400kV Substation) | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Status | Planned (Scoping) | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Holder | GPC 1154 Ltd | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Attached to | Walham 700MW BESS | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Capacity | 700 MW | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Technology | Energy Storage System | 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 |
| Connection date | 17 Nov 2033 | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Connection gate | Gate 1 | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
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How it compares
Walham 700MW BESS grid connection is the 195th-largest of 2,533 grid connections in England and the 271st-largest of 3,903 in the United Kingdom by capacity; its 700 MW is 0.16% 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 | 195th of 2,533 | 319,370 MW | 0.22% |
| United Kingdom | 271st of 3,903 | 446,745 MW | 0.16% |
| All grid connections in our data | 455th 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
- CAISO queue report. 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, No restriction on the posted data.
- PJM New Services Queue. PJM New Services Queue, No restriction on the posted data.
- 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.