Octopus Vitality continued: “Between September 2021 and September 2022, clients on this tariff have been paid £0.34 pence per kilowatt hour on common, with funds going as much as £1.29 per kilowatt hour within the final yr.

“Fastened Outgoing pays the most effective fixed-rate export costs within the nation. Clients are paid £0.15 per kilowatt hour exported again to the grid.”

This, they stated, is “thrice greater than another vitality provider.

“Clients with photo voltaic panels and a photo voltaic battery who select the Agile Outgoing tariff might save as much as 90 p.c on their electrical energy payments in comparison with clients on a normal variable tariff.”

This saving, they famous, doesn’t embrace the preliminary price of the photo voltaic panels and their set up.