Transmission price control 2026 to 2031 (RIIO-T3)

Includes regulations, consultations and guidance on the electricity and gas transmission price controls 2026 to 2031 (RIIO-T3).

RIIO-T3 sets the revenue electricity and gas transmission network operators can make and what they must provide in return over the price control period.

Consultations

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Modifications to additional network price control (RIIO-3) associated documents

We are seeking views on the proposed modifications to associated documents for the RIIO-3 price control.

Publication type: Consultation

Publication date: 1 April 2026

Status: Open

Topic: Energy network price controls

Draft Gas Transmission (RIIO-3) crossover submission guidance

We are seeking views on the associated guidance document for the new RIIO-GT3 crossover licence condition 3.28.

Publication type: Consultation

Publication date: 12 February 2026

Status: Closed (awaiting decision)

Topic: Gas transmission, Energy network price controls

Modifications to additional RIIO-3 associated documents

Proposed changes to five associated documents supporting the gas distribution and gas transmission licences.

Publication type: Consultation

Last updated: 1 April 2026

Status: Closed (with decision)

Topic: Energy network price controls, Gas transmission, Gas distribution

View all RIIO-T3 consultations

RIIO-T3 publications

Includes licensing guidance, policy, news and insights.

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Licences and licence conditions

What we regulate

Transmission price control 2026 to 2031 (RIIO-T3)

Consultations

Modifications to additional network price control (RIIO-3) associated documents

Draft Gas Transmission (RIIO-3) crossover submission guidance

Modifications to additional RIIO-3 associated documents

RIIO-T3 publications

Related links