Decisions on the ESO guidance documents for 2021-23

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In December 2020, we consulted on detailed changes to the ESO Roles Guidance and the Electricity System Operator Reporting and Incentives (ESORI) Guidance documents to align with our ESO RIIO-2 Final Determinations. As part of our consultation on the ESORI Guidance, we also consulted on several detailed aspects of the reporting requirements and performance measures for the ESO.

We have reviewed the responses we received and have set out our decisions on the detailed aspects of the reporting requirements and performance measures for 2021-23 in our decision letter below. In addition, we have finalised the ESORI Guidance and Roles Guidance (which are published alongside our decision letter).

The ESO’s regulatory and incentives framework for RIIO-2, including the updated ESO Roles Guidance and ESORI Guidance, will come into effect from 1 April 2021.