Draft Gas Transmission (RIIO-3) crossover submission guidance

Draft Gas Transmission (RIIO-3) crossover submission guidance | Ofgem Please enable JavaScript in your web browser to get the best experience. BETA This site is currently in BETA. Help us improve by giving us your feedback . Close alert: Draft Gas Transmission (RIIO-3) crossover submission guidance Publication type: Consultation Publication date: 12 February 2026 Closed date: 13 March 2026 Status: Closed (awaiting decision) Topic: Gas transmission, Energy network price controls Subtopic: RIIO-3, Transmission price control 2021 to 2026 (RIIO-T2) Print this page Related links Modifications to the RIIO-3 licences and associated documents Share the page Share on Facebook Share on Twitter Share on LinkedIn We are seeking views on the associated guidance document for the new RIIO Gas Transmission (RIIO-GT3) crossover licence condition 3.28. Consultation description This guidance document will set out the scope of coverage of adjustments to allowances, the general principles for GT2/GT3 crossover adjustments, the approach to determining GT2/GT3 crossover adjustments and the process Ofgem will follow for making adjustments under the GT2/GT3 crossover mechanism. This associated document is in addition to the associated documents consulted upon alongside the RIIO-3 licences. Who should respond Gas transmission network operators. How to respond Gas transmission network operators have 28 days to respond with feedback. Submit your response by 12 March 2026 by emailing RIIO3@ofgem.gov.uk . Consultation documents Draft Gas Transmission GT2/GT3 crossover submission guidance document [PDF, 176.11KB] Print this page Related links Modifications to the RIIO-3 licences and associated documents Share the page Share on Facebook Share on Twitter Share on LinkedIn Close