Energy supplier Npower is planning to axe 2,500 jobs, ITV News understands.
Employees could be told in the coming days as RWE, the supplier's German parent company, announces its financial results on Tuesday.
The job cuts represent around a fifth of npower's 11,500-strong UK workforce.
More top news
The launch comes after global giants such as Netflix and Amazon have made their mark on British homes.
Jo Swinson or Ed Davey will be named as the new leader - 24 hours before the Tories announce the winner of their contest.
The 15-year-old died in an accident on the family farm in Somerset.