Octopus Energy vs Shell Energy (2026)
There's no live Shell Energy home tariff to switch onto any more: Octopus bought Shell Energy Retail's UK home energy business and has already moved every household account across, so if you were a Shell Energy customer you're an Octopus customer now. As a standalone supplier Shell Energy suited people who liked a globally recognised brand with bundled broadband and loyalty perks under one roof, whereas Octopus leans towards households who want top-rated service, a strong app and a deep range of smart tariffs. The encouraging part for ex-Shell customers is that the handover kept the same meters and supply with nothing to do at their end. And if you're coming to Octopus from another supplier, joining directly through a referral link also gets you £50 of welcome credit.
Switching from Shell Energy takes ~5 working days with no break in supply — and my link gets you £50.
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).
The verdict
There's no live Shell Energy home tariff to switch onto any more: Octopus bought Shell Energy Retail's UK home energy business and has already moved every household account across, so if you were a Shell Energy customer you're an Octopus customer now. As a standalone supplier Shell Energy suited people who liked a globally recognised brand with bundled broadband and loyalty perks under one roof, whereas Octopus leans towards households who want top-rated service, a strong app and a deep range of smart tariffs. The encouraging part for ex-Shell customers is that the handover kept the same meters and supply with nothing to do at their end. And if you're coming to Octopus from another supplier, joining directly through a referral link also gets you £50 of welcome credit.
Shell Energy was the rebrand of First Utility, an independent supplier founded in 2008 that Shell bought and renamed in 2019. Shell later chose to exit the UK household market and sold the business — energy and broadband customers included — to Octopus Energy, which is why the Shell Energy name has now disappeared from home energy altogether.
Where Octopus tends to win
- Octopus is literally where Shell Energy's home customers ended up — it bought Shell Energy Retail's UK supply business and migrated roughly 1.3 million households across onto its own Kraken technology platform, with Shell's customer-service staff offered new roles at Octopus.
- Independent service ratings clearly favour Octopus: a multi-year Which? Recommended Provider with an 'Excellent' Trustpilot score of about 4.8/5, where Shell Energy's customer-satisfaction record was more middling in its later years as a standalone brand.
- A far broader smart-tariff line-up — Octopus Agile follows half-hourly wholesale prices, Tracker moves with the daily wholesale rate, Intelligent Octopus Go gives cheap overnight EV charging and Cosy suits heat pumps — choices Shell Energy's more conventional fixed and standard tariffs didn't offer.
- 100% renewable electricity as standard, plus Octoplus rewards such as monthly prize draws and Saving Sessions that pay you to shift usage away from peak times.
- Octopus is the UK's largest electricity supplier, powering roughly 1 in 4 GB homes, and you get £50 of welcome credit through a referral link when you join — something Shell Energy never offered on the way in.
Where Shell Energy still has a case
- Shell Energy was unusual in bundling home energy with broadband and home phone behind a recognisable global brand, which appealed to people who wanted one provider and the reassurance of Shell plc's financial backing.
- It ran a genuine loyalty angle — Shell Go+ rewards and discounts on fuel at Shell forecourts — that energy-only suppliers, Octopus included, don't replicate.
- Built on the former First Utility, Shell Energy offered competitive fixed-rate deals and was an established, mid-sized supplier with a long-running smart-meter operation before the sale.
At a glance
| Feature | Octopus Energy | Shell Energy |
|---|---|---|
| Trustpilot | 4.8/5 “Excellent” | Lower |
| Which? Recommended | 9 yrs running | No |
| Smart / EV tariffs | Agile, Tracker, Intelligent Go, Cosy | Limited |
| 100% renewable electricity | Yes | Varies |
| £50 welcome credit | Yes — via referral link | No equivalent |
These are general, evergreen comparisons — Octopus’s Trustpilot and Which? standing are Octopus’s own ratings, not ours. Tariff prices change with the energy price cap and your region, so always confirm live rates on octopus.energy before switching.
Is Shell Energy cheaper than Octopus Energy?
This one is effectively settled: Shell Energy no longer sells home energy in the UK, so there's no separate Shell tariff left to undercut Octopus — its former customers are already on Octopus pricing. If you're comparing Octopus against whoever supplies you now, the cheaper option always depends on your region, usage and the specific tariff, so check the current live rates on octopus.energy rather than any old Shell Energy figure. The current 12-month fix and the trackers are the ones worth weighing up there.
How to switch from Shell Energy to Octopus
If you were a Shell Energy home customer you've already been moved to Octopus, so there's nothing to switch — you keep the same meter and supply. If instead you're currently with another supplier and simply landed here while researching Shell Energy, joining is easy and free: tap the referral link on this page, enter your address and a recent meter reading, and Octopus arranges the handover with your old supplier for you. It's the same pipes, wires and meter with no break in supply, the switch is protected by the Energy Switch Guarantee, and it usually completes in about five working days. Your £50 then lands automatically once the switch finishes and your first monthly Direct Debit clears — usually around four weeks, sometimes longer if the old supplier is slow to release you — as long as you join straight through the referral link rather than via a price-comparison site, which would redirect the credit to that third party.
FAQs
Is Shell Energy cheaper than Octopus Energy?+
This one is effectively settled: Shell Energy no longer sells home energy in the UK, so there's no separate Shell tariff left to undercut Octopus — its former customers are already on Octopus pricing. If you're comparing Octopus against whoever supplies you now, the cheaper option always depends on your region, usage and the specific tariff, so check the current live rates on octopus.energy rather than any old Shell Energy figure. The current 12-month fix and the trackers are the ones worth weighing up there.
How much is the Octopus Energy referral credit?+
£50 of credit when you switch to Octopus through a referral link. Business and charity switches get £75. It’s added straight to your Octopus energy account.
Is the Octopus referral code still working in 2026?+
Yes. The scheme is active and we re-verify our code on the 1st of every month. We last confirmed it works on 1 June 2026.
How long does it take to get the £50 credit?+
It’s paid automatically once your switch completes and your first monthly Direct Debit has been taken — usually around 4 weeks after you join. No claim needed.
Is this an official Octopus Energy offer?+
Yes — the £50 referral credit is Octopus’s own scheme. Octopus Energy Referral is an independent guide, not affiliated with Octopus, but the link takes you straight to Octopus’s website where you sign up directly with them.
Ready to switch? Use my link and get £50 — it costs you nothing.
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).