Written Question·Department for Energy Security and Net Zero·UIN 94446
Energy Supply
Tabled: 25 November 2025
Answered: 3 December 2025
Question
Wera Hobhouse
Liberal Democrat — Bath
To ask the Secretary of State for Energy Security and Net Zero, if his Department will publish modelling undertaken by Ofgem on how suppliers may respond to projected Transmission Use of System charge increases over the 2026-31 price control period.
Answer
Michael ShanksOfgem, as the independent regulator, sets funding and investment allowances for gas and electricity transmission, and gas distribution networks through its RIIO-3 price control process. Final Determinations for RIIO-3 will be confirmed by Ofgem in Decembe...
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