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Didcot 400kV Substation

Didcot 400kV Substation (NGET) has 7 projects in NESO's TEC Register of 23 Oct 2026: 850 MW in the queue, 1,805 MW Gate 1, and 1,809 MW connected. Contracted capacity, not headroom.

Transmission owner: NGET
Projects: 7
MW in the queue: 850 MW
Gate 1 MW: 1,805 MW
MW connected: 1,809 MW

By technology

Technology	Projects	MW
Storage	5	2,555
Gas	2	1,805
Demand	2	250
Oil & AGT (Advanced Gas Turbine)	1	4

Projects at Didcot 400kV Substation

Project	Technology	MW	Gate	Status	MW effective from
Didcot B	Gas, Storage	1,705	Gate 1	Built	31 Oct 2037
Didcot Energy Park	Storage	300		Awaiting Consents	31 Oct 2027
Didcot Road	Storage	300		Scoping	31 Oct 2027
Sutton Courtenay	Demand, Storage	150		Scoping	31 Oct 2037
Didcot A GTs	Gas	100		Built
Didcot Battery	Demand, Storage	100	Gate 1	Scoping	31 Mar 2027
PeakGen BEGA - Didcot	Oil & AGT (Advanced Gas Turbine)	4		Built

Source

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