Regulatory Instructions and Guidance (RIGs) 2025 to 2026: electricity transmission (RIIO-2)

Publication type:
Guidance
Publication date:
Last updated:
Topic:
Electricity transmission,
Energy network price controls
Subtopic:
RIIO-T2: transmission price control 2021 to 2026
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Guidance and templates for electricity transmission network operators to help them report regulatory information during the 2021 to 2026 price control.

Details

Use these RIGs to report cost, volume, allowed expenditure and output delivery information. You need to do this as part of your energy licence conditions. Read the guidance to understand how and what you need to report by July 2026.

Some of these files are not fully accessible. If you require an alternative format please contact aminat.raheem@ofgem.gov.uk.

All updates

30 July 2026 built individual guidance pages for each price control sector.