Question to the Department for Business, Energy and Industrial Strategy:
To ask the Secretary of State for Business, Energy and Industrial Strategy, what proportion of households are with their home, regional incumbent supplier for electricity and gas in each electricity supply region.
Data is collected by the department as part of the domestic fuels inquiry (DFI). This covers an estimated 86% of customers in the energy market. Customers not covered by the DFI are those supplied by smaller, non-home energy suppliers. Based on this data, the proportion of domestic customers that are supplied by their home, regional incumbent supplier for electricity and gas in quarter 2 2016 are as follows:
Region | Electricity | Gas |
East Midlands | 33% | 39% |
Eastern | 32% | 41% |
London | 40% | 50% |
Merseyside & North Wales | 32% | 46% |
North East | 27% | 35% |
North Scotland | 64% | 33% |
North West | 29% | 46% |
South East | 35% | 38% |
South Scotland | 41% | 42% |
South Wales | 54% | 33% |
South West | 37% | 42% |
Southern | 45% | 38% |
West Midlands | 27% | 43% |
Yorkshire | 27% | 42% |