Question

To ask the Secretary of State for Energy and Climate Change, what information his Department holds on the incidence of power cuts by (a) county and (b) parliamentary constituency.

Statistics on the number of power cuts are held by Ofgem. Ofgem measure the number and duration of power cuts based on the number of customer interruptions (interruptions per 100 connected customers) and customer minutes lost (minutes of supply lost per connected customer). The statistics, broken down by Distribution Network Operator, can be found in tables A10.1 and A10.2 of Ofgem's Assessment of the RIIO-ED1 business plans document, pages 86 and 88:

https://www.ofgem.gov.uk/ofgem-publications/84945/assessmentoftheriio-ed1businessplans.pdf

Ofgem do not collect a more detailed regional breakdown than what is presented in both of these tables.