Boydston 400kV substation

Boydston 400kV substation (SPT) has 1 project in NESO's TEC Register of 23 Oct 2026: 350 MW in the queue, 350 MW of it Gate 2, and 0 MW connected. Contracted capacity, not headroom.

Transmission owner: SPT
Projects: 1
MW in the queue: 350 MW
Gate 2 MW: 350 MW
MW connected: 0 MW
Earliest confirmed date: 30 Nov 2026

By technology

Technology	Projects	MW
Storage	1	350

Projects at Boydston 400kV substation

Project	Technology	MW	Gate	Status	MW effective from
Kilmarnock BESS	Storage	350	Gate 2	Under Construction/Commissioning	30 Nov 2026

Source

NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.