RIIO-1 Electricity Distribution Annual Report: 2022-23
- Content:
- Transparency document
- Publication date:
- Topic:
- Electricity distribution, Energy network price controls
- Industry sector:
- Distribution Network
The RIIO-1 Electricity Distribution Summary Annual Report 2022–23 provides an overview of the electricity Distribution Network Operators’ (DNOs) performance during the final year of the RIIO-ED1 price control, which ran from 1 April 2015 to 31 March 2023.
The report focuses on DNOs’ output delivery and financial performance based on data submitted for the 2022–23 reporting year. Where relevant, it also draws on information from across the full RIIO-ED1 period to provide context and highlight longer-term trends.
Key areas covered include:
- Outputs and Incentives – DNO performance against output commitments and incentive payments earned.
- Innovation – Overview of expenditure under innovation incentives.
- Totex Performance and Drivers – Summary of total expenditure and comparison against allowances across all DNO groups.
All financial figures in this report are quoted in 2022–23 price base unless stated otherwise. A supplementary data file is published alongside the report, containing detailed figures and links to individual company submissions.
Together, these materials support transparency and accountability in the sector and contribute to Ofgem’s ongoing monitoring of network performance under the RIIO framework.