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REGULATOR

Ofgem

RegulatorGreat Britain

The Great Britain energy regulator.

Developments

13 tracked developments touching this entity.

06 NOV 2026

CMP276 proposes replacing TNUoS demand residual Triad charge with two new socialised demand charges

Regulatory review · ENERGY MARKETS · GB

13 OCT 2026

Ofgem extends NESO's C1.17 derogation on NTC restrictions to 2030, mandates fresh reviews of NTC Calculation Policy and Commercial Compensation Methodology by 2027

Decision · ENERGY MARKETS · GB

09 OCT 2026

Elexon's BSC Modification P510 advances through Assessment Procedure to replace mutualised VTP compensation with direct bidirectional mechanism in GB Wholesale Market

Regulatory review · ENERGY MARKETS · Great Britain

01 OCT 2026

Elexon's BSC Modification P441 creating six Complex Site metering classes submitted to Ofgem for decision

Regulatory review · BALANCING MARKETS · Great Britain

30 SEPT 2026

NESO's Q3 2026 Update Advances Demand-Side Flexibility Routes-to-Market Barrier Removal Programme

Implementation · FLEXIBILITY MARKETS · Great Britain

24 SEPT 2026

BSC Modification P455 on On-Site Aggregation for Third Party Access implemented in Great Britain

Go-live · ENERGY MARKETS · Great Britain

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)