Written Question·Department for Energy Security and Net Zero·UIN 94445
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, whether they have made an assessment of the adequacy of the four-month notice period given to suppliers to recover additional costs under RIIO-3.
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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