Npower given ultimatum over billing

%VIRTUAL-SkimlinksPromo%Ofgem has warned energy giant Npower to resolve its billing problems by the end of August or halt all telephone sales to new customers.

The regulator said Npower must meet monthly targets to cut the number of accounts affected by late billing from around 400,000 currently to 100,000 over the next three months or stop all proactive telesales activity.