High Mathernock Battery Storage
High Mathernock Battery Storage is a storage project of 334 MW in NESO's TEC Register of 23 Oct 2026, connecting at HIGH MATHERNOCK 132KV SUBSTATION (SPT). Status: Scoping. Gate 1.
- Customer
- Harmony HM Limited
- Connection site
- HIGH MATHERNOCK 132KV SUBSTATION
- Transmission owner
- SPT
- Technology
- Storage
- Capacity (TEC)
- 334 MW
- Agreement
- Direct Connection
- Gate
- Gate 1
- Status
- Scoping
- MW effective from
- 17 Oct 2029
- NESO project number
- PRO-002273
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.