Ofgem DSO Performance Panel: Call for Stakeholder Evidence 2025-2026

UK Ofgem Publications & Decisions

Published March 19th, 2026

Detected March 19th, 2026

Summary

Ofgem has issued a call for stakeholder evidence regarding the Distribution System Operator (DSO) Performance Panel's assessment of Distribution Network Operators' (DNOs) performance for the 2025-2026 period. The call seeks input on DNO performance against the DSO Panel Evaluation Criteria for the RIIO-ED2 price control period.

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What changed

Ofgem, the UK's energy regulator, is soliciting stakeholder evidence for the Distribution System Operator (DSO) Performance Panel's assessment of Distribution Network Operators' (DNOs) performance during the 2025-2026 period, which falls within the third year of the RIIO-ED2 price control. This call for input specifically requests feedback on how DNOs have met, exceeded, or failed to meet expectations related to the DSO Panel Evaluation Criteria, as defined in the DSO Governance Document.

Interested parties, including consumers, consumer groups, and distribution networks, are encouraged to submit their feedback by emailing RIIOED2@ofgem.gov.uk by April 30, 2026. The collected evidence will be used by the independent DSO Performance Panel in its evaluation process, alongside the DNOs' own submissions, to assess performance during the specified period.

What to do next

Submit feedback on DNO performance against DSO Panel Evaluation Criteria by April 30, 2026.
Ensure feedback addresses areas where DNOs have met, exceeded, or failed to meet expectations.

Source document (simplified)

Distribution System Performance Panel: call for stakeholder evidence 2025 to 2026

Publication type: Call for input Publication date:

19 March 2026

Closing date: 30 April 2026 Status: Open Topic: Electricity distribution, Energy network price controls Subtopic: Electricity distribution price control 2023 to 2028 (RIIO-ED2) Get emails about this page Print this page

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Our call for input seeking stakeholder evidence for the independent Distribution System Operator (DSO) Performance Panel assessment.

Call for input description

Later this summer, the independent DSO Performance Panel will assess the Distribution Network Operators' (DNOs) performance for the third year of the RIIO-ED2 price control period (April 2025 to 2026). This call for evidence requests stakeholder input on the DNOs performance that will be used by the panel in the evaluation process in addition to the DNO’s Panel Submissions.

We welcome any feedback on performance related to the DSO Panel Evaluation Criteria, as originally determined in the DSO Governance Document. This includes areas where you feel the DNOs have met, exceeded or failed to meet any expectations.