Beat the April rises. Fix your price with Octopus
The energy price cap is increasing in April. Lock your rates now and you could save over £100.
Starting April 1st, the Ofgem energy price cap is set at £1,849 per year for a typical home. That’s a 6% increase from current prices and 9% higher than at the same time last year.
Fix your prices now and secure a year or more at today's rates. For a typical home, this could shave over £100 off their annual energy bill compared to the April rises.
With no exit fees, if energy prices do unexpectedly drop in the future, you’re always in control.
To verify our claims take a look here
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Already an Octopus customer? Fix your current prices via your dashboard.


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

We've won more awards for customer service than anyone else.

We're one of Europe's leading investors in renewable generation.
Officially the UK's most awarded energy supplier
Backed by the Energy Switch Guarantee, you can be confident that things will run smoothly and that you're making the right move.

We know how difficult this can be and want to see prices to going down, not up
Our CEO Greg recorded this short video to explain the changes and your options.

The numbers behind the savings:
- Ofgem announced the 2025 April price cap at £1,849 per year for a typical household who use electricity and gas and pay by Direct Debit. Our estimates suggest, and other experts agree, that prices are likely to stay high for the rest of the year.
- Octopus Energy’s fixed tariff is also below the current and April Ofgem price cap. While prices change regularly, a typical dual fuel annual quote is £1722 as of 25/02/2025. [Source: Internal Octopus data]
- This means no matter if you're new to Octopus or a loyal customer, if you're currently paying price cap rates (on a variable tariff), now could be a good moment to fix energy prices to avoid April price hikes.

We're Britain's #1 choice for energy
From the 31st of October 2024, Octopus Energy is the company with the most household energy (defined as the sum of electricity and gas) accounts in Great Britain. This makes us the UK's most popular energy supplier.
As of the 31 October 2024, Octopus Energy became the leading supplier of household energy accounts (defined as the sum of electricity and gas) in Great Britain. The company served 12.9mn household energy accounts registered as live on supply, representing a 23.7% share of the available market. This share is 0.6 percentage points higher than the company with the second-largest share of household energy accounts.

Where the data comes from
The data comes from the Cornwall Insight Domestic Energy Market Share Survey, which tracks changes in key measures of supply competition. This includes the numbers of domestic electricity, gas and dual fuel accounts held by the competing suppliers in the 14 electricity distribution regions of Great Britain, and also in aggregate across the jurisdiction. The survey is based on detailed research by Cornwall Insight using a wide variety of industry and proprietary sources.


Hey I'm Constantine, welcome to Octopus Energy!
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