Grid operator · Company
SP Transmission plc
SP Transmission plc is the grid operator for 16 grid connections in the United Kingdom, with 16,965 MW of capacity connected. It is a subsidiary of Iberdrola SA.
On its grid
The 16 assets connected to the grid of SP Transmission plc. It is their grid operator, not their owner.
- Grid connections16 · 16,965 MW connected
Grid connections 16 · 16,965 MW connected
| Grid connection | Location | Role | Capacity |
|---|---|---|---|
| Machair Offshore Wind Farm grid connection | Scotland, United Kingdom | Grid operator | 2,000 MW |
| Phoenix 1B Offshore Wind Farm grid connection | Scotland, United Kingdom | Grid operator | 1,500 MW |
| INTOG 2 grid connection | Scotland, United Kingdom | Grid operator | 1,400 MW |
| Berwick Bank Offshore Wind Farm A grid connection | Scotland, United Kingdom | Grid operator | 1,380 MW |
| Berwick Bank Offshore Wind Farm B grid connection | Scotland, United Kingdom | Grid operator | 1,380 MW |
| Torness grid connection | Scotland, United Kingdom | Grid operator | 1,250 MW |
| Branxton PV & BESS Station grid connection | Scotland, United Kingdom | Grid operator | 1,000 MW |
| Middleton Farm BESS grid connection | Scotland, United Kingdom | Grid operator | 937 MW |
| Lochore BESS grid connection | Scotland, United Kingdom | Grid operator | 900 MW |
| Whitelee grid connection | Scotland, United Kingdom | Grid operator | 818 MW |
| Elmya Dalry BESS & PV grid connection | Scotland, United Kingdom | Grid operator | 800 MW |
| NatPower Harburn Green Energy Park grid connection | Scotland, United Kingdom | Grid operator | 800 MW |
| Branxton Energy Storage Facility grid connection | Scotland, United Kingdom | Grid operator | 750 MW |
| Wyseby Hill Energy Farm grid connection | Scotland, United Kingdom | Grid operator | 750 MW |
| Auchentiber Farm 700MW BESS grid connection | Scotland, United Kingdom | Grid operator | 700 MW |
| Neilston 400kV Greener Grid Park grid connection | Scotland, United Kingdom | Grid operator | 600 MW |
By country
Where the assets and rights are.
- The United Kingdom16 grid connections
Group
Parent companies
From SP Transmission plc up to its ultimate parent in the data.
- SP Transmission plc
- Iberdrola SA
Also a subsidiary of Scottish Power UK plc.
Partners and counterparties
Owners, operators and grid operators on the same assets.
- ScottishPower Renewables UK Limited2 shared
- Berwick Bank A Limited1 shared
- Berwick Bank B Limited1 shared
- Bluestone Energy Limited1 shared
- Cerulean Winds Limited1 shared
- EastCoastGridServices Ltd1 shared
- EDF Energy Nuclear Generation Limited1 shared
- Elmya Energy UK 17 Limited1 shared
- GPC 700 Ltd1 shared
- IGP Solar 26 Limited1 shared
- Lochore BESS Ltd1 shared
- Morven Offshore Wind Limited1 shared
Facts
| Fact | Value | Source |
|---|---|---|
| Location | United Kingdom | GLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026 |
| LEI | 21380066GRV5QOWJZC71 | Rare Context entity resolution · record · CC0 1.0 · checked 24 Oct 2026 |
| LEI | 21380066GRV5QOWJZC71 | GLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026 |
| Company number | SC189126 | GLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026 |
Also recorded as
Sources name SP Transmission plc under 2 records; this page joins them. Links to any of them lead here.
| Name in the source | Identifier | Source |
|---|---|---|
| SP Transmission plc | party:name:sp-transmission-plc | NESO TEC Register |
| SP TRANSMISSION PLC | party:lei:21380066GRV5QOWJZC71 | GLEIF LEI |
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Data on this page
- GLEIF LEI. GLEIF LEI, CC0 1.0.
- Supported by National Energy SO Open Data. NESO TEC Register, NESO Open Data Licence v1.0.
- Rare Context entity resolution. Rare Context entity resolution, CC0 1.0.