Extra Energy goes bust leaving around 108,000 households and 21,000 business customers without an energy supplier.
Based in Edgbaston, Birmingham, Extra Energy was formed in 2014.
The administrators are called in
As a result PwC is expected to be appointed administrator to the firm.
Although Extra Energy goes bust this year – they are not alone
One of a number of small energy providers, Extra Energy goes bust this year furthermore Future Energy, Iresa Energy, Gen4U and Usio Energy.
Consequently Extra Energy had attracted the highest number of customer complaints among energy companies, according to research from Citizens Advice.
Former customers of Extra Energy should take new meter readings to give to their new supplier.
Extra Energy was backed by Israeli businessman Moti Ben-Moshe.