NESO: RIIO-2 Regulatory Financial Reporting Pack (RFRP) and Regulatory Instructions and Guidance (RIGs)

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Guidance and template for the National Energy System Operator (NESO) to report accurate and consistent financial information during the RIIO-2 price controls period.

Details

These documents contain: 

• instructions and guidance on how to report data 
• a template for sending back numerical information

Documents

[NESO RIIO-2 Regulatory Instructions and Guidance (RIGs) [PDF, 250.59KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-08/NESO%20RIIO-2%20RFRP%20RIGs%20version%201.0_0.pdf)

[NESO RIIO-2 Regulatory Financial Reporting Pack (RFRP) [XLSX, 1.51MB]

](https://www.ofgem.gov.uk/sites/default/files/2025-08/RIIO-2%20NESO%20Regulatory%20Financial%20Reporting%20Pack%20v.1.0.xlsx)

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