The information you need before switching to Octopus Energy

Plain-English tariff breakdowns, live rates from the Octopus API, honest opinions and a referral code worth £50. From a real customer, not affiliated with Octopus.

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4.8/5

Trustpilot from 757,000+ reviews

9yrs

Which? Recommended in a row

~8 million

UK customers

1 in 4

UK households on Octopus

Tools & calculators

See what Octopus actually charges

Live tariff rates from the Octopus API for your postcode, plus tools to figure out the right tariff for your setup.

EV charging calculator

Pick your car, enter your mileage. See exactly what home charging costs vs petrol and public chargers.

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Tariff comparison

Live rates for your postcode. Every Octopus tariff compared side by side.

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Guides & reference

Understand what you're signing up for

Plain-English breakdowns of every tariff, switching guides and answers to the questions people actually ask.

Tariff guides

Agile, Go, Tracker, Flux, Cosy. What each one means in plain English.

How to switch

Step by step. Takes five minutes and your energy never gets cut off.

Octopus vs other suppliers

How Octopus stacks up against British Gas, EDF, OVO, E.ON and Scottish Power.

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Solar & battery guide

Flux, Agile export, SEG rates. The best Octopus tariffs if you generate your own power.

Which tariff suits you?

Answer a few questions about your household and we'll recommend the best tariff.

FAQ

Common questions about switching, referral codes, tariffs and smart meters.

Knowledge base

Deep dives into EV charging, solar panels, smart meters, billing and more. Everything you'd want to know before and after switching.

Browse all guides

Home charging basics Choosing the right tariff Solar with Octopus How switching works

Articles & opinions

What I actually think

Real experience from a real customer. No press releases, no corporate fluff.

Review