Arnish 275kV Substation

Arnish 275kV Substation (SHET) has 1 project in NESO's TEC Register of 23 Oct 2026: 180 MW in the queue, and 0 MW connected. Contracted capacity, not headroom.

Transmission owner: SHET
Projects: 1
MW in the queue: 180 MW
MW connected: 0 MW

By technology

Technology	Projects	MW
Onshore wind	1	180

Projects at Arnish 275kV Substation

Project	Technology	MW	Gate	Status	MW effective from
Stornoway Wind Farm	Onshore wind	180		Consents Approved	31 Oct 2030

Source

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