Big Six" energy suppliers operating in the UK. The cheapest annual average tariff offered by Avro Energy was 871 British pounds.
The average annual energy tariff of British Gas was 1,041 British pounds as of January 2021. British Gas is one of the "Average annual energy tariffs in Great Britain as of January 2021, by energy supplier (in British pounds)
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Ofgem. (January 31, 2021). Average annual energy tariffs in Great Britain as of January 2021, by energy supplier (in British pounds) [Graph]. In Statista. Retrieved February 27, 2021, from https://www.statista.com/statistics/1174619/energy-tariff-by-suppliers-great-britain/
Ofgem. "Average annual energy tariffs in Great Britain as of January 2021, by energy supplier (in British pounds)." Chart. January 31, 2021. Statista. Accessed February 27, 2021. https://www.statista.com/statistics/1174619/energy-tariff-by-suppliers-great-britain/
Ofgem. (2021). Average annual energy tariffs in Great Britain as of January 2021, by energy supplier (in British pounds). Statista. Statista Inc.. Accessed: February 27, 2021. https://www.statista.com/statistics/1174619/energy-tariff-by-suppliers-great-britain/
Ofgem. "Average Annual Energy Tariffs in Great Britain as of January 2021, by Energy Supplier (in British Pounds)." Statista, Statista Inc., 31 Jan 2021, https://www.statista.com/statistics/1174619/energy-tariff-by-suppliers-great-britain/
Ofgem, Average annual energy tariffs in Great Britain as of January 2021, by energy supplier (in British pounds) Statista, https://www.statista.com/statistics/1174619/energy-tariff-by-suppliers-great-britain/ (last visited February 27, 2021)