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Cellarhead 400kV Substation

Cellarhead 400kV Substation (NGET) has 6 projects in NESO's TEC Register of 23 Oct 2026: 1,680 MW in the queue, 300 MW of it Gate 2, 400 MW Gate 1, and 20 MW connected. Contracted capacity, not headroom.

Transmission owner: NGET
Projects: 6
MW in the queue: 1,680 MW
Gate 2 MW: 300 MW
Gate 1 MW: 400 MW
MW connected: 20 MW
Earliest confirmed date: 13 Sept 2028

By technology

Technology	Projects	MW
Storage	5	1,680
Solar	2	800
Gas	1	20

Projects at Cellarhead 400kV Substation

Project	Technology	MW	Gate	Status	MW effective from
Cellarhead	Storage, Solar	400	Gate 1	Scoping	31 Oct 2033
Cellarhead Green Energy Centre	Storage, Solar	400		Awaiting Consents	30 Oct 2028
Cellarhead 400kV Energy Storage	Storage	300	Gate 2	Under Construction/Commissioning	13 Sept 2028
Thorney Edge	Storage	300		Scoping	30 Nov 2037
Cellarhead Home Farm	Storage	280		Scoping	31 Oct 2028
Chatterley	Gas	20		Built

Source

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