Reading that more small suppliers are likely to go bust, I realised that I have no idea how many suppliers there are...
https://www.theenergyshop.com/energy-suppliers has a list, copying and putting it into a spreadsheet shows a total of 84, the vast majority smaller than Green Energy, which is in 18th place.
Rank Name % Number
1 British Gas 19.00% 5,130,000
2 SSE 13.00% 3,510,000
3 E.ON 12.00% 3,240,000
4 EDF Energy 11.00% 2,970,000
5 Scottish Power 10.00% 2,700,000
6 npower 8.00% 2,160,000
7 Ovo Energy 5.00% 1,350,000
8 Bulb Energy 4.00% 1,080,000
9 Shell Energy 3.00% 810,000
10 Utilita Energy 2.00% 540,000
11 Telecom Utility Warehouse 2.00% 540,000
12 Octopus Energy 2.00% 540,000
13 Green Star Energy 1.00% 270,000
14 Co-Operative Energy 0.0100% 270,000
15 So Energy 0.0063% 170,000
16 Tonik 0.0046% 125,000
17 Pure Planet 0.0037% 100,000
18 Green.Energy 0.0004% 10,000
19 Affect Energy -
Octopus looks quite small, but it does sell all the coop power too. The webpage has a very complimentary write-up about them, says unusually well capitalised and professionally managed...
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