Get the cheapest fixed tariff from a large supplier

Our prices are always fair and great value, but day to day, we also look out for cheap wholesale energy deals to give you even more of a bargain. We've just landed a doozy...

Right now, you can grab the cheapest price out of all the big suppliers – locked in for 12 months, with no exit fees.

Sounds good? Fix your prices online before 17:00 this Friday, 8 August 2025.

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This is the cheapest fixed offer from a large supplier, based on dual-fuel energy-only fixed tariffs for medium consumption paid monthly by Direct Debit and available to both new and loyal customers, compared to British Gas, EDF, E.On Next, OVO, Scottish Power, in all 14 regions of Britain. Prices accurate as of 12:00 07/08/2025 and available til 17:00 08/08/2025. Individual costs will vary based on consumption and meter type.

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Great value for the long term

Our standard prices have always been cheaper than any other large supplier

Energy for a cheaper, greener future

We're one of Europe's leading investors in renewable generation.

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Want more value from Octopus?

Smart meter savings
  • Save £200+ with our Octoplus rewards programme. Get free electricity (in Free Electricity Sessions the electricity you'd normally use will cost the same, any extra power you use will be free), rewards for using less when the grid is stressed, a free coffee every week (as long as stocks last), and much more.
  • Save by using energy when it’s greener and cheaper with a range of Octopus smart tariffs. If you don't have a smart meter yet, you can get one installed at no extra cost.
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Rated 5 stars for customer service from 659,572 reviews.

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Hey I'm Constantine, welcome to Octopus Energy!

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