Utility companies EDF Energy and OVO received an average of 2,300 complaints per 100,000 customers in the last quarter of 2023. These were the highest figures among large energy suppliers in Great Britain at the time. The number of complaints received by the energy supplier British Gas experienced a decrease in 2023, after surpassing 2,700 at the end of 2022.
Quarterly number of complaints received by large energy suppliers in Great Britain from 1st quarter 2013 to 4th quarter 2023, by company
(per 100,000 customers)
* npower was acquired by E.ON in 2020.
** SSE's retail business was acquired by OVO in January 2020.
Energy suppliers in the United Kingdom are required to provide quarterly figures detailing the number of complaints they have received, as well as publishing the top five reasons for complaints.
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Ofgem. (February 15, 2024). Quarterly number of complaints received by large energy suppliers in Great Britain from 1st quarter 2013 to 4th quarter 2023, by company (per 100,000 customers) [Graph]. In Statista. Retrieved December 13, 2024, from https://www.statista.com/statistics/429551/big-six-complaints-received-per-100000-customers-uk/
Ofgem. "Quarterly number of complaints received by large energy suppliers in Great Britain from 1st quarter 2013 to 4th quarter 2023, by company (per 100,000 customers)." Chart. February 15, 2024. Statista. Accessed December 13, 2024. https://www.statista.com/statistics/429551/big-six-complaints-received-per-100000-customers-uk/
Ofgem. (2024). Quarterly number of complaints received by large energy suppliers in Great Britain from 1st quarter 2013 to 4th quarter 2023, by company (per 100,000 customers). Statista. Statista Inc.. Accessed: December 13, 2024. https://www.statista.com/statistics/429551/big-six-complaints-received-per-100000-customers-uk/
Ofgem. "Quarterly Number of Complaints Received by Large Energy Suppliers in Great Britain from 1st Quarter 2013 to 4th Quarter 2023, by Company (per 100,000 Customers)." Statista, Statista Inc., 15 Feb 2024, https://www.statista.com/statistics/429551/big-six-complaints-received-per-100000-customers-uk/
Ofgem, Quarterly number of complaints received by large energy suppliers in Great Britain from 1st quarter 2013 to 4th quarter 2023, by company (per 100,000 customers) Statista, https://www.statista.com/statistics/429551/big-six-complaints-received-per-100000-customers-uk/ (last visited December 13, 2024)
Quarterly number of complaints received by large energy suppliers in Great Britain from 1st quarter 2013 to 4th quarter 2023, by company (per 100,000 customers) [Graph], Ofgem, February 15, 2024. [Online]. Available: https://www.statista.com/statistics/429551/big-six-complaints-received-per-100000-customers-uk/