RIIO-GD1 Annual Report 2020-21

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This report gives an overview of the Electricity Distribution Network Operators’ (DNO groups) output delivery and financial performance through RIIO-ED1.

It presents a summary of the Gas Distribution Networks’ (GDNs) output delivery and financial performance for the final year of the eight-year RIIO-GD1 price control.

Main document

[RIIO-GD1 Annual Report 2020-21 [PDF, 613.03KB]

](https://www.ofgem.gov.uk/sites/default/files/2022-09/RIIO-GD1%20Annual%20Report%202020-21.pdf)

Subsidiary documents

[RIIO-GD1 Supplementary Data File 2020-21 [XLSX, 668.35KB]

](https://www.ofgem.gov.uk/sites/default/files/2022-09/RIIO-GD1%20Supplementary%20Data%20File%202020-21.xlsx)

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