Question

To ask the Secretary of State for Energy and Climate Change, how many domestic customers (a) Scottish Power, (b) SSE, (c) E.on, (d) British Gas, (e) EDF, (f) Npower, (g) First Utility, (h) Ovo and (i) Cooperative Energy each have.

Ofgem publishes market share of energy suppliers based on monthly domestic customer numbers as part of its yearly Great Britain and Northern Ireland National Reports to the European Commission, most recently published in 2014. In this report smaller suppliers including First Utility, OVO and Co-operative Energy are grouped together as ‘Other Suppliers’.

GB Domestic Energy Suppliers’ Market Share, December 2013

First Utility, OVO and Co-operative Energy have released customer numbers on their websites. First Utility claim to have over 800,000 customers in July 2015, OVO claim to currently have 500,000 customers, while Co-operative Energy claim to have over 200,000 customers. The majority of these Customers will take both electricity and gas from their supplier.