Shaping and preparing for our RIIO-2 Price Controls Home Welcome to National Grid Investors News RIIO-2 This page displays all documents relating to our RIIO-2 price control consultations. Documents 2023 2023 Name UK RIIO-ED2 Price Control Summary RIIO-ED2 Final Determination accepted – published 03 March 2023 2022 2022 Name RIIO-ED2 Draft Determination response – published 29 Jun 2022 RIIO-ED2 Final Determination response – published 30 Nov 2022 2021 2021 Name Decision on Ofgem’s RIIO-T2 Final Determinations and Dividend update Decision on Ofgem’s RIIO-T2 Final Determinations - Slide Pack WPD RIIO-ED2 final business plan - Dec 2021 2020 2020 Name Ofgem's RIIO-T2 Final Determination published RIIO-T2 Draft Determination Consultation Response RIIO-T2 Draft Determination Consultation Response Webinar RIIO-T2 Draft Determination Contact us If you have any questions or feedback, please do get in touch Factsheets Read our range of investor factsheets. News Read all of our latest news.