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REGULATOR
Ofgem
Regulator
Great Britain
The Great Britain energy regulator.
Developments
7 tracked developments touching this entity.
22 SEPT 2026
Elexon confirms P509 Workgroup Meeting 5 took place on 22 September 2026; newly disclosed 13-month Assessment Procedure extension agreed by BSC Panel on 9 July 2026
Proposal · FLEXIBILITY MARKETS · Great Britain
11 SEPT 2026
NESO's IEP4 pre-read details CBA sensitivity/variant methodology and granular cost framework for GB balancing and settlement reforms
Proposal · BALANCING MARKETS · United Kingdom
09 SEPT 2026
JAO document reveals fuller NSL rulebook: implicit GB-NO2 short-term coupling detailed alongside explicit long-term FTR-Option auctions, plus 2027 CBAM flow-tariff provision
Go-live · ADEQUACY & CAPACITY MARKETS · GB-Norway border (North Sea Link interconnector)
09 SEPT 2026
Elexon confirms BSC Modification P511 fully implemented 24 August 2026, correcting Ofgem approval date to 10 August 2026
Go-live · BALANCING MARKETS · Great Britain (BSC / Elexon)
04 SEPT 2026
Ofgem publishes BP3 performance assessment of NESO, flags connections reform and value-for-money gaps
Regulatory review · ENERGY MARKETS · Great Britain
02 SEPT 2026
CREG approves Nemo Link BE–GB Access Rules v5: consolidated document, flexible market time units and later day-ahead nomination deadline
Decision · ENERGY MARKETS · Belgium–Great Britain (Nemo Link interconnector)
02 SEPT 2026
GB BSC Modification P509 advances in Assessment: DSR net-benefit monitoring and safety net framework tested at Workgroup 4
Consultation · ENERGY MARKETS · Great Britain (BSC / Elexon)