RWE split off its renewable energy, network and retail divisions as Innogy SE in April 2016, and Npower transferred to the new business.

It is considered one of the Big Six energy suppliers, which dominate the gas and electricity market in the United Kingdom.

SPI provides services to the social housing market and its commercial arm serves public buildings, including schools.

[15] On 1 April 2016, RWE split off its renewable energy, network and retail businesses into the newly formed Innogy SE.

[21] In December 2018, it was announced that the merger would no longer be going ahead, with both companies blaming the recent government price caps, business performance and tough market conditions.

[23] Npower announced in January 2019 that it would cut nine hundred jobs to save costs because of "an incredibly tough" retail energy market, and a government price cap.

[24] On 29 November 2019 it was announced that over 4,500 jobs would be axed at npower and the brand was to be wound down, with customers being migrated to E.ON UK as part of E.On Next.

[37] In September 2013, Labour Party MPs and campaign group 38 Degrees accused Npower of avoiding tax.

A Bloomberg report for Greenpeace confirmed that Npower was the biggest investor in new energy infrastructure recently in the United Kingdom.

[39][40][41] In June 2014, Npower's call centre in Fenton closed, resulting in a loss of 480 jobs following the announcement of the closure the previous December.