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Large suppliers’ business market share reduces

Molly Lloyd Analyst

The publication of our Business Gas and Electricity Market Share Surveys for Q420 (with a reporting date of 31 October) has highlighted the changing dynamic of the business supply market as competitive pressure has reduced the market share of the traditional six large suppliers. While the number of overall suppliers in the business gas market peaked at 77 in April 2019, the collective market share by meters held by non-large suppliers has grown from 17.0% in October 2005 to 56.2% in October 2020. In the electricity market, the number of suppliers peaked also in April 2019 at 73 but market share of non-large suppliers by meters has grown from 3.6% to 28.2% in the same period. Our latest survey (Q420) saw Pozitive Energy grow its market share over 1% after recording an increase in meters over the last two years. The supplier follows Ørsted Sales and Dual Energy which crossed the 1% market share threshold in the electricity market in October 2017.  The gas market has also seen a growing number of suppliers gain market share by meters and volume. In the last two years we have recorded two suppliers (Crown Gas & Power in April 2019, followed by Regent Gas in October 2019) growing their share by meters and volume above 1%.  At the same time the traditional six largest suppliers (British Gas, E.ON UK, EDF Energy, npower, Scottish Power and SSE) have seen their combined market share by meters decrease. Figure 1 shows that in the electricity market, large suppliers’ collective market share by meters has decreased from 82.7% in October 2015 to 71.8% ...

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