RIIO-2 Regulatory Instructions and Guidance and Regulatory Reporting Packs

Details

The documents provide guidance on best practice for conducting and reporting cost, volume, allowed expenditure and output delivery information, to ensure complete, accurate and timely data is submitted to Ofgem. They also specify the format, content, scope, and timing of reporting to Ofgem on regulatory reporting activities and plans.

This guidance applies to holders of licences to operate electricity and gas network across the relevant onshore transmission and distribution networks in Great Britain. The changes set out in these documents are intended to support licence holders in meeting their annual regulatory reporting obligations, in accordance with the applicable licence conditions under the RIIO‑2 price control framework.

These documents contain: 

• instructions and guidance on how to report data
• excel template(s) for sending back numerical information
• narrative guidance for sending back qualitative information (where applicable)
• technical glossary information (where applicable) 

Some of the files below are not fully accessible. If you require an alternative format please contact aminat.raheem@ofgem.gov.uk or daniel.kyei@ofgem.gov.uk.