Try our corporate solution for free!
(212) 419-8286
hadley.ward@statista.com

Big Six in the UK - statistics & facts

The Big Six comprise the largest energy suppliers in the United Kingdom: British Gas, EDF Energy, E.ON, Npower, Scottish Power, and SSE. When looking at their respective parent companies, the Big Six is factually only made up of five companies and thus also sometimes referred to as Big Five. They are Centrica for British Gas, EDF for EDF Energy, E.ON for E.ON UK and Npower, Iberdrola for Scottish Power, and OVO Energy for SSE.

Profits by segment

Energy generation accounts for the majority of profits for large suppliers in the country. In 2019, such profits reached 1.2 billion British pounds. Figures had declined from a peak of 2.4 billion recorded in 2011. Profits from domestic supply have generally begun accounting for increasing shares of totals, despite a loss recorded for 2019. Meanwhile, non-domestic energy supply profits reached 170 million British pounds in 2019. That same year, SSE had the greatest energy generation profits of the Big Six, at 614 million British pounds. British Gas was the only large utility to report losses for that segment. Profit margins for energy suppliers decreased across all segments in 2019, with non-domestic supply the only to see a positive profit margin of 1.1 percent.

Customer complaints

The number of complaints received by major energy suppliers has notably decreased since 2013. Npower saw the most prominent decline, from a peak of 8,303 complaints received per 100,000 customers in the first quarter of 2014 to 1,454 complaints in the fourth quarter of 2020. That same quarter, Octopus Energy received the lowest number of complaints. Octopus Energy was able to resolve 57 percent of complaints by the end of the next working day.

Key figures

The most important key figures provide you with a compact summary of the topic of "Big Six in the UK" and take you straight to the corresponding statistics.

Domestic energy supply profits

Energy generation profits

Complaint data

Interesting statistics

In the following 5 chapters, you will quickly find the 24 most important statistics relating to "Big Six in the UK".

Big Six in the UK

Dossier on the topic

All important statistics are prepared by our experts – available for direct download as PPT & PDF!
TOP SELLER

Big Six in the UK - statistics & facts

The Big Six comprise the largest energy suppliers in the United Kingdom: British Gas, EDF Energy, E.ON, Npower, Scottish Power, and SSE. When looking at their respective parent companies, the Big Six is factually only made up of five companies and thus also sometimes referred to as Big Five. They are Centrica for British Gas, EDF for EDF Energy, E.ON for E.ON UK and Npower, Iberdrola for Scottish Power, and OVO Energy for SSE.

Profits by segment

Energy generation accounts for the majority of profits for large suppliers in the country. In 2019, such profits reached 1.2 billion British pounds. Figures had declined from a peak of 2.4 billion recorded in 2011. Profits from domestic supply have generally begun accounting for increasing shares of totals, despite a loss recorded for 2019. Meanwhile, non-domestic energy supply profits reached 170 million British pounds in 2019. That same year, SSE had the greatest energy generation profits of the Big Six, at 614 million British pounds. British Gas was the only large utility to report losses for that segment. Profit margins for energy suppliers decreased across all segments in 2019, with non-domestic supply the only to see a positive profit margin of 1.1 percent.

Customer complaints

The number of complaints received by major energy suppliers has notably decreased since 2013. Npower saw the most prominent decline, from a peak of 8,303 complaints received per 100,000 customers in the first quarter of 2014 to 1,454 complaints in the fourth quarter of 2020. That same quarter, Octopus Energy received the lowest number of complaints. Octopus Energy was able to resolve 57 percent of complaints by the end of the next working day.

Interesting statistics

In the following 5 chapters, you will quickly find the 24 most important statistics relating to "Big Six in the UK".

Contact

Get in touch with us. We are happy to help.
Statista Locations
Contact Hadley Ward
Hadley Ward
Sales Manager– Contact (United States)

Mon - Fri, 9am - 6pm (EST)

Contact Ziyan Zhang
Ziyan Zhang
Customer Relations– Contact (Asia)

Mon - Fri, 11:30am - 10pm (IST)

Contact Kisara Mizuno
Kisara Mizuno
Customer Success Manager– Contact (Asia)

Mon - Fri, 9:30am - 5:30pm (JST)

Contact Lodovica Biagi
Lodovica Biagi
Director of Operations– Contact (Europe)

Mon - Fri, 9:30am - 5pm (GMT)

Contact Catalina Rodriguez
Catalina Rodriguez
Key Account Manager - LAC– Contact (Latin America)

Mon - Fri, 9am - 6pm (EST)