High Marnham (Tertiary)
High Marnham (Tertiary) is a storage, solar project of 57 MW in NESO's TEC Register of 23 Oct 2026, connecting at High Marnham 400kV Substation (NGET). Status: Consents Approved. Gate 2.
- Customer
- ENSO GREEN HOLDINGS K LIMITED
- Connection site
- High Marnham 400kV Substation
- Transmission owner
- NGET
- Technology
- Storage, Solar
- Capacity (TEC)
- 57 MW
- Agreement
- Direct Connection
- Gate
- Gate 2
- Status
- Consents Approved
- MW effective from
- 31 Oct 2030
- NESO project number
- PRO-000531
Also at High Marnham 400kV Substation
| Project | Technology | MW |
|---|---|---|
| High Marnham 400 | Storage, Solar | 400–1,000 |
| High Marnham BESS | Storage | 500 |
| High Marnham Solar Farm | Solar | 99.9 |
| JG Pears | CHP (Combined Heat and Power), Storage, Solar, Onshore wind | 450 |
| Morton Manor PV & BESS Station | Storage, Solar | 240 |
| Mosedale Energy | Storage | 249 |
| One Earth Solar Farm | Storage, Solar | 740 |
| Welbeck-Newark Solar Farm - PVDP | Storage, Solar | 710 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.