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RIIO-GT1 Annual Report 2020-21

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This report gives an overview of National Grid Gas Transmission’s (NGGT) output delivery and financial performance over RIIO-GT1.

It summarises NGGT’s performance in 2020-21, the final year of the RIIO-GT1 price control which started in 1 April 2013, and came to an end in 31 March 2021. All financial values are in the 2020-21 prices unless otherwise stated.

Main document

[RIIO-GT1 Annual Report 2020-21 [PDF, 445.49KB]

](https://www.ofgem.gov.uk/sites/default/files/2022-09/RIIO-GT1%20Annual_Report%202020-21.pdf)

Subsidiary documents

[RIIO-GT1 Supplementary Data File 2020-21 [XLSX, 111.34KB]

](https://www.ofgem.gov.uk/sites/default/files/2022-09/RIIO-GT1%20Supplementary%20Data%20File%202020-21.xlsx)

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