Grid connection · Wales, United Kingdom
Trawsfynydd B Cwmni Egino grid connection
Trawsfynydd B Cwmni Egino grid connection is a planned grid connection in Wales, United Kingdom, with 940 MW of capacity, held by Cwmni Egino.
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 | Wales (connection site: Trawsfynydd 275kV 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 | Cwmni Egino | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Attached to | Trawsfynydd B Cwmni Egino | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Capacity | 940 MW | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Technology | Nuclear | 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 | 1 Nov 2037 | 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 |
Know more about this grid connection, or want an introduction to its holder? Ask us.
How it compares
Trawsfynydd B Cwmni Egino grid connection is the 13th-largest of 277 grid connections in Wales and the 197th-largest of 4,493 in the United Kingdom by capacity; its 940 MW is 0.2% of the 459,551 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 |
|---|---|---|---|
| Wales | 13th of 277 | 23,007 MW | 4.1% |
| United Kingdom | 197th of 4,493 | 459,551 MW | 0.2% |
Holder, grid operator and place
Other grid connections in Wales
- Pembroke Power Station grid connection2,199 MW
- Dinorwig grid connection1,644 MW
- Mona Offshore Wind Farm grid connection1,500 MW
- Connah's Quay grid connection1,380 MW
- Legacy Green Energy Centre grid connection1,200 MW
- Awel Y Mor grid connection1,100 MW
- Cilfynydd Green Energy Centre grid connection1,025 MW
- Pentir Green Energy Centre grid connection1,025 MW
Data on this page
- SP Electricity North West, via Northern Powergrid Open Data. SP Electricity North West open data portal, CC BY 4.0.
- 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.
- 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.