Longside 400kV Substation
Longside 400kV Substation (SHET) has 7 projects in NESO's TEC Register of 23 Oct 2026: 5,700 MW in the queue, 600 MW Gate 1, and 0 MW connected. Contracted capacity, not headroom.
- Transmission owner
- SHET
- Projects
- 7
- MW in the queue
- 5,700 MW
- Gate 1 MW
- 600 MW
- MW connected
- 0 MW
By technology
| Technology | Projects | MW |
|---|---|---|
| Offshore wind | 5 | 5,100 |
| Storage | 2 | 600 |
Projects at Longside 400kV Substation
| Project | Technology | MW | Gate | Status | MW effective from |
|---|---|---|---|---|---|
| Marram Wind Offshore Wind Farm | Offshore wind | 1,000–3,000 | Scoping | 31 Oct 2031, 31 Oct 2033 | |
| Muir Mhor Offshore Wind Farm | Offshore wind | 1,000 | Awaiting Consents | 31 Oct 2033 | |
| Broadshore Offshore Wind Farm | Offshore wind | 900 | Scoping | 31 Oct 2033 | |
| Netherton BESS | Storage | 400 | Gate 1 | Scoping | 31 Oct 2033 |
| Netherton Hub Bess | Storage | 200 | Gate 1 | Scoping | 31 Oct 2033 |
| Scaraben Offshore Wind Farm | Offshore wind | 100 | Scoping | 31 Oct 2033 | |
| Sinclair Offshore Wind Farm | Offshore wind | 100 | Scoping | 31 Oct 2033 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.