Switching to Octopus Energy: the complete step-by-step guide

Switching to Octopus Energy takes about five minutes to set up and roughly five working days to complete, with no engineer, no break in supply, and the same pipes, wires and meter you already have. Do it through a referral link rather than a comparison site and you get £50 of account credit, paid automatically once your switch completes and your first Direct Debit clears. This guide walks you through every step, from clicking the link to the £50 landing on your bill.

Switching to Octopus Energy takes about five minutes to set up and roughly five working days to complete, with no engineer, no break in supply, and the same pipes, wires and meter you already have. Do it through a referral link rather than a comparison site and you get £50 of account credit, paid automatically once your switch completes and your first Direct Debit clears. This guide walks you through every step, from clicking the link to the £50 landing on your bill.

Why switch to Octopus, and why now

Energy prices are climbing again: the July 2026 energy price cap rose by around 13.5% to roughly £1,862 a year for a typical dual-fuel household, so a lot of people are reviewing who supplies them and what they pay. Octopus Energy is where many of them are heading. By Octopus's own published standing it is the UK's largest electricity supplier, powering somewhere around one in four British homes, it runs on 100% renewable electricity, and it has been a Which? Recommended Provider for years running with an 'Excellent' Trustpilot score of about 4.8 out of 5. In short, it is a mainstream, well-regulated supplier rather than a risky unknown. Switching won't automatically beat every deal, though: if you are already locked into an unusually cheap fixed tariff it is worth checking the numbers first, and live rates vary by region and move with the price cap, so always confirm current prices on octopus.energy. What makes Octopus stand out for people who are switching anyway is the referral scheme: join through a referral link and you get £50 of account credit. Treat that £50 as a welcome reward for moving to a supplier you would likely be happy with, not the only reason to go. If you want to sanity-check it against your current provider first, our head-to-head comparisons of Octopus versus British Gas, OVO, E.ON Next and the rest lay out where each genuinely wins.

What you'll need before you start

Switching is quick because Octopus asks for very little. Have your postcode and address to hand, a recent meter reading for both gas and electricity if you can take one, and your bank details to set up a monthly Direct Debit. A recent energy bill is useful for confirming your current usage and tariff but isn't essential, as Octopus can estimate from your address if you don't have one. You do not need to contact your old supplier, cancel anything, or arrange an engineer, and you do not need a smart meter either to switch or to earn the £50; Octopus can fit one for free later if you want one. One thing is worth getting right before you click: the route you take to sign up. To earn the £50 you need to arrive at Octopus through a genuine referral link. Those come in two valid shapes, the classic share.octopus.energy/word-word-number format and personalised subdomains such as name.octopus.energy, and both apply the credit automatically. The link on this page is one of the personalised kind, and it works in exactly the same way. Prepayment and pay-as-you-go customers are eligible too, though those referrals are handled manually and can take a little longer, as our dedicated prepayment-meter referral guide explains.

Switching to Octopus, step by step

Here is the whole process from start to finish. Step one: click the referral link on this page, which opens Octopus's own website and quietly tags your sign-up so it qualifies for the £50. Step two: enter your postcode and confirm your address. Step three: tell Octopus roughly how much energy you use, either copied from a recent bill or estimated from your home. Step four: choose a tariff. The current version of Octopus 12M Fixed is the open-to-all fixed deal with no exit fees if you want price certainty, or you can take the standard variable tariff; the smart tariffs, which can work out cheaper, come later. Step five: set up your monthly Direct Debit and enter your details directly on Octopus's site, where you never share anything with anyone else. Step six: submit an opening meter reading on or close to your switch date so your old and new bills divide cleanly. Step seven: leave the rest to Octopus, which notifies your old supplier and arranges the closure of your old account, so there is nothing for you to cancel. Step eight: your switch completes in about five working days, with no interruption to your gas or electricity. Step nine: your first monthly Direct Debit is collected. Once those last two things have happened, switch complete and first payment cleared, the £50 lands on your account automatically, usually around four weeks after you join and sometimes longer if your old supplier is slow to release you. There is no form to fill in and no code to claim, and our guide to when the £50 credit arrives breaks the timeline down further.

Meter readings, timing and switch day

Meter readings matter more than people expect. An accurate opening reading is what stops you being billed twice for the same energy at the boundary between your old and new supplier, so take one on or near your switch date and keep a photo. If you have a smart meter sending half-hourly readings, Octopus picks these up automatically and you can skip the manual step. After that your supply carries on exactly as before, with genuinely nothing to notice on the day beyond a welcome email. On timing, there is no need to wait for a perfect moment. You have a 14-day cooling-off period after you sign up, so you are never locked in the instant you click. With the July price cap pushing standard rates up, a fixed tariff can be worth considering for budgeting certainty, while a variable or smart tariff can pay off if you are happy to move usage around, but the right answer depends on your home and habits and on live prices you should check on octopus.energy. The £50 referral credit applies whichever tariff you start on, and you can switch tariffs for free once you are a customer.

What not to do: the mistakes that cost you the £50

The single thing that voids the bonus is signing up through a price-comparison or switching site such as Uswitch, Confused.com or GoCompare. Go that way and Octopus pays the comparison site a fee instead of crediting you, so the £50 simply never appears. The same goes for any route that drops the referral on the way in, such as a shortened or rewritten URL that strips the link out. To be clear, a common myth is wrong here: there is nothing risky about a referral link itself, and simply clicking or opening a valid one, including a personalised name.octopus.energy subdomain like the one on this page, is exactly how the credit is meant to attach. One other thing trips people up. Octopus has no 'enter a code' box at sign-up; attribution happens automatically when you open the unique link, so don't go hunting for a field to paste a code into.

Is it safe to switch?

Switching supplier is one of the lowest-risk changes you can make to your bills, because nothing physical changes about how energy reaches your home. The same pipes, wires and meter stay in place, no engineer visits, and there is never a moment when your supply is cut off, since a switch is purely an administrative handover of who bills you. The whole process is fully regulated and backed by the industry-wide Energy Switch Guarantee, which promises an uninterrupted supply, a fair final bill from your old supplier, and completion within a set timeframe of around five working days. There is a safety net beyond that, too. If any licensed supplier ever failed, the industry Supplier of Last Resort process protects customers' credit balances and supply, but Octopus's scale means it is the kind of supplier others get moved to, not away from. Signing up through a referral link changes none of this: you complete everything on Octopus's official site under its standard terms, sharing no details with anyone else. If you want the full reassurance, our dedicated 'is it safe to switch' guide goes deeper on every protection.

Ready to switch? Here's how the £50 works

If you have decided Octopus is right for you, the last step is the one that pays: use the referral link on this page to start your switch. You get £50, added straight to your Octopus account as bill credit rather than cash or cashback. It is paid automatically once your switch completes and your first Direct Debit clears, it costs you nothing extra, and there is nothing to claim. Business and charity switches are worth even more at £75. The accrued credit doesn't expire while you stay a customer. Once you have joined, the wider Octopus line-up opens up for free: smart tariffs like Tracker and Agile that follow wholesale prices, Intelligent Octopus Go for cheap overnight EV charging, Cosy for heat pumps and Outgoing for solar export, all of which need you to be a customer with a working smart meter, so people join first, get the £50, and switch onto them afterwards. We are an independent, unofficial guide rather than Octopus itself, and using the link here is what keeps the site free, at no cost to you, since you collect the full £50 at the same time. Always confirm live rates on octopus.energy before you commit, as prices vary by region and move with the energy price cap.

FAQs

Switch to the UK’s most awarded energy supplier! Switch to Octopus Energy and you’ll get £50 credit once your switch is complete. T&Cs apply (only one switching offer per household).