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Octopus Energy | Electricity, gas and dual fuel tariffs

Our review of Octopus Energy sets out its gas and electricity tariffs, green credentials and pros and cons.

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Finder score
Expert analysis
Supplies 100% renewable electricity
Smartphone app is poorly reviewed
Octopus Energy is one of a crop of smaller energy suppliers entering the domestic energy space to challenge the so-called “Big Six” legacy brands supplying household energy. Octopus has been growing pretty quickly, and now supplies over 2 million UK homes. In recent years the supplier, which is backed by the UK financial services group of the same name, has grown through acquisitions and deals with firms like Co-op Energy and Engie. Its offering is relatively simple, providing a choice of supply deals including fixed, variable and “supergreen” tariffs, none of which charges exit fees. Here’s what you need to know.

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Octopus Energy’s tariffs and service

Supplier nameOctopus Energy
Green tariffs
Fixed tariffs
Variable tariffs
Dual fuel deals
Manage online
Manage account via app
Manage account by telephone
Live chat support available
Email support available
Can install smart meters
Can offer Warm Home Discount
Percentage renewables (electricity)100%

Is Octopus Energy green?

Yes, according to the data collected from Octopus Energy by the energy watchdog, the firm sources the electricity it supplies to customers from 100% renewable sources. Its “Supergreen” tariff claims to be able to offer electricity from 100% renewable sources and fully offset gas.

Octopus Energy customer reviews

Octopus Energy scores very highly when it comes to customer satisfaction, according to data collected by the charity Citizens Advice. In 2020 the firm saw an average of 12.9 complaints per 10,000 customers escalated to a third party including the Energy Ombudsman, a dispute resolution organisation recognised by the energy industry. This is among the lowest reported figures for the industry that year.

Meanwhile, reviews on the site Trustpilot are almost unanimous in their praise for the supplier, with 90% of the 62,500 customers giving the supplier an “excellent” rating and a further 5% saying that their experience with the firm was “great” (last updated: August 2021).

Pros and cons of Octopus Energy


  • Supplies 100% renewable electricity. Octopus Energy ensures that all of the electricity it supplies is generated from 100% renewable sources. The company also invests in its own solar energy generation through its sister company Octopus Energy Generation.
  • Competitive pricing. Octopus Energy regularly appears in comparisons as a competitively priced variable tariff.


  • Average customer response speeds. Octopus Energy lags behind some of its competitors in the time it takes to respond to customer service enquiries, according to data from Citizens Advice.
  • Smartphone app is poorly reviewed. Reviews on the iOS App store and Google Play store suggest there is still some work to do before the app’s functionality meets customer expectations.

Our verdict: Is Octopus Energy any good?

In a relatively short period of time Octopus Energy has earned an enormous amount of positive feedback from its growing customer base. As an energy supplier committed to providing its customers with 100% renewable energy, the fact that it generates a large proportion of renewable energy itself is encouraging.

Its environmental credentials and competitive tariffs mean it’s certainly worth a look if you’re looking to switch your household energy supply and want to explore greener options.

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★★★★★ — Good
★★★★★ — Average
★★★★★ — Subpar
★★★★★ — Poor

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