Last November npower and SSE Retail announced the intention to merge. The SSE and npower merger would bring together the second and sixth largest domestic energy companies. On 28 February the Competition and Markets Authority (CMA) asked for comments on the proposed merger
In this Chart of the week, we show our assessment of HHI for electricity supply in the 14 electricity supply regions as of 31 October 2017 for the market as is. We also compare this with SSE and npower combined. In our analysis of market concentration, we use US competition agencies’ interpretation of market conditions.