Notice proposing modifications to the Regulatory Instructions and Guidance (RIGs) RIIO-2 Year 5 for electricity transmission

Notice proposing modifications to the Regulatory Instructions and Guidance (RIGs) RIIO-2 Year 5 for electricity transmission | 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: Notice proposing modifications to the Regulatory Instructions and Guidance (RIGs) RIIO-2 Year 5 for electricity transmission Publication type: Consultation Publication date: 2 March 2026 Status: Open Topic: Electricity transmission, Energy network price controls Subtopic: Transmission price control 2021 to 2026 (RIIO-T2) Get emails about this page Print this page Share the page Share on Facebook Share on Twitter Share on LinkedIn Guidance on the data requirements for electricity transmission licence holders operating in the onshore electricity network sector for year 5 of RIIO-ET2. Consultation description This document provides overview of the proposed amendments to the instructions and guidance to the three electricity transmission owners - National Grid Electricity Transmission plc (NGET), SP Transmission Ltd (SPT) and Scottish Hydro Electric Transmission plc (SHET) - to enable them to complete the annual reporting requirements associated with the RIIO-ET2 transmission price control from 1 April 2021 to 31 March 2026. The proposed amendments have been developed since the previous version was published in April 2025, and we have made changes to wording and structure where appropriate. Who should respond Electricity transmission network owners. How to respond Submit your response by 30 March 2026 by emailing aminat.raheem@ofgem.gov.uk . If any of the documents attached below are not fully accessible, please contact aminat.raheem@ofgem.gov.uk to request an accessible format. Consultation documents Notice proposing modifications to the regulatory instructions and guidance (RIGs) RIIO-2 year 5 for electricity transmission [PDF, 218.94KB] RIIO-2 ET RIGs tracked [PDF, 1.47MB] RIIO-2 ET RIGs clean [PDF, 1.22MB] RIIO-2 PCFM Guidance clean [PDF, 308.92KB] RIIO-ET2 RRP master data template v2.7 [XLSX, 33.37MB] Get emails about this page Print this page Share the page Share on Facebook Share on Twitter Share on LinkedIn Close Notify me Would you like to be kept up to date with Notice proposing modifications to the Regulatory Instructions and Guidance (RIGs) RIIO-2 Year 5 for electricity transmission ? subscribe to notifications: Email Submit Close