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Performance reporting - RIIO-ED1

As a regulated business our revenue is governed by a price control mechanism administered by Ofgem. The RIIO-ED1 price control period commenced in April 2015 and ended in March 2023. 


Performance summary 2022/2023

  • 42%

    reduction of customer interruptions and customer minutes lost reduced by 49%


    of customers had their power restored within one hour of a high voltage fault

  • 88%

    improvement in the number of customers left without electricity for more than 12 hours

  • 15,461

    customers have been helped by projects to reduce the number of worst served customers

  • 86

    substations have had flood defences installed


    of the tree clearance programme completed

Note 1: Targets are for the full eight year RIIO-ED1 period, not for a discrete year

Note 2: Target to be achieved each year of RIIO-ED1


RIIO-ED1 Business Plan Commitments summary report

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Full RIIO-ED1 Business Plan Commitments report

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