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Get up to one years' free charging with your new Dacia Spring

Join the UK’s most popular energy supplier

5-star customer service


Outrageously good service with a 4.8 rating on Trustpilot.

Drive cheaper

Fill up for a tenth of the price of a traditional car with Octopus Go

Join Octoplus

Get weekly rewards and more with our rewards programme.

Claim a year’s free charging

If you've ordered a brand new Dacia Spring, you're eligible for free home charging for a year when you sign up to Octopus Go.

Claim 5,000 miles worth of credit on your Octopus Energy account. If you're eligible for this offer you'll get a unique promo code via email from Dacia UK when your vehicle is registered.

The energy tariff that puts you in control

Octopus Go

The smart tariff with super cheap electricity between 00:30-05:30 every night

Quality you can trust

“They were quick and efficient with what I had asked for and was open to anything I said.”


Elta, Dec 2024

Easy and efficent

“Very easy and efficient. No hassle or stress. Everything was clearly explained.”

Nunez, Dec 2024

Always 100%

“Having access to your account 24/7 showing your usage always helps as a customer.”

Gem, Dec 2024

Why Octopus?

Which Recommended Supplier 2024Which Recommended Supplier 2023Which Recommended Supplier 2022Which Recommended Supplier 2021Which Recommended Supplier 2020Which Recommended Supplier 2019Which Recommended Supplier 2018

2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018

Great value for the long term

Our standard prices have always been cheaper than any large supplier

Uswitch Supplier of the year award

2023 · 2021 · 2020 · 2018

The UK's most awarded energy supplier

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

Good Shopping Guide Ethical Accredited

The only accredited energy supplier

100% green energy

All our electricity comes from 100% renewable sources like sun, wind and water

Don't take our word for it.

As featured by

“Octopus Energy can save you money - and it's better for the environment, too”

Vogue logo

“The only firm to achieve a five-star rating for overall customer service”

Sky News logo

“Octopus is the answer to a broken, inefficient market”

Wired logo

“Octopus Energy raises $800m and aims to create 3,000 green jobs in UK”

The Guardian logo

“Octopus customers can get free cinema tickets, hot drinks and days out”

Express logo

“Octopus Energy to invest £15.5bn in offshore wind projects by 2030”

The Independent logo