The last 12 months have been a tumultuous time for the domestic retail market and its energy supply. In particular, the high-profile sale of SSE’s domestic supply business to Ovo Energy has radically altered the market landscape. As well as the transfer of npower customers to E.ON UK.
This Chart of the week looks at the market shareholdings of the 10 largest suppliers in the domestic retail market. We also discuss some of the underlying trends driving recent changes.