Grid connection · Wales, United Kingdom
Pen-Y-Groes grid connection
Pen-Y-Groes grid connection is a planned grid connection in Wales, United Kingdom, with 16 MW of capacity, held by Arc-Tech Mu 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 | Wales (connects at Four Crosses GT2 / Maentwrog GT1 / Maentwrog GT1) | SP Energy Networks open data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Status | Planned (accepted to connect) | SP Energy Networks open data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Holder | Arc-Tech Mu Ltd | SP Energy Networks open data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Capacity | 16 MW | SP Energy Networks open data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Technology | Wind | SP Energy Networks open data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Grid operator | SP Manweb plc | SP Energy Networks open data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Queue date | 26 Feb 2024 | SP Energy Networks open data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Voltage | 33 kV | SP Energy Networks open data portal · CC BY 4.0 · checked 24 Oct 2026 |
Know more about this grid connection, or want an introduction to its holder? Ask us.
How it compares
Pen-Y-Groes grid connection is the 61st-largest of 158 grid connections in Wales and the 1,865th-largest of 3,903 in the United Kingdom by capacity; its 16 MW is <0.1% 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 |
|---|---|---|---|
| Wales | 61st of 158 | 21,044 MW | <0.1% |
| United Kingdom | 1,865th of 3,903 | 446,745 MW | <0.1% |
| All grid connections in our data | 5,380th of 7,616 | 1,281,251 MW | <0.1% |
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
- 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.