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Network price controls 2013-2023 (RIIO-1)
About RIIO-T1
The RIIO-T1 network price control set out what the gas and electricity transmission network companies were expected to deliver for energy consumers from 2013-2021.
The RIIO-T2 transmission price control came into effect from April 2021 and will run until 2026.
You can find all the regulatory publications relating to the development and implementation of RIIO-T1 in the list below.
You can use the tabs above to access detailed information about:
- network innovation funding under RIIO-1
- RIIO-1 working groups and forums
- Network performance under RIIO-1.