The collapse of Avro Energy and Green means nine suppliers have been lost this year
The UK gas crisis has claimed another two energy companies, bringing the total number of households that have lost their supplier this year to almost 2m.
The regulator, Ofgem, confirmed that Avro Energy, which supplied gas and electricity to about 580,000 households, and Green, which had more than 250,000 customers, have dropped out of the energy market.