Ten reasons to make the switch
Cheaper bills, greener energy, and service that actually cares. Here's why 7.3 million UK households have already switched to Octopus Energy.
Last Updated: April 2026£50 Sign-Up Credit
Switch through our referral link and £50 is added to your Octopus Energy account. Use it against your bills — gas, electricity, or both. No catches, no small print.
Award-Winning Customer Service
Octopus Energy has won the Which? Recommended Provider award for 9 consecutive years — a record no other supplier holds. Their 4.8/5 Trustpilot rating from 779,000+ reviews speaks for itself.
100% Renewable Electricity
Their fuel mix is 86.4% renewable plus 13.6% nuclear, delivering 0 g/kWh carbon emissions compared to the UK average of 154 g/kWh. They source from 700+ UK renewable generators.
Fair, Transparent Pricing
No hidden fees, no loyalty penalties. With the Ofgem price cap at £1,641/year, Octopus charges approximately 27p/kWh for electricity and 6p/kWh for gas — all visible in their brilliant app.
Smart Tariffs That Save You More
Agile Octopus offers half-hourly pricing with a winter average of ~35p/kWh. Octopus Tracker follows the wholesale market daily with price caps of 100p/kWh electricity and 30p/kWh gas.
Effortless Switching
Sign up in ~5 minutes. Octopus contacts your old supplier, manages the transfer in 2–3 working days, and ensures zero interruption. You won't lift a finger.
Octoplus Rewards
Earn points for shifting energy usage to greener, off-peak times. Redeem them for bill discounts, promotional codes at partner retailers, and exclusive perks. It pays to be flexible.
Smart Tariffs for EV Owners
Intelligent Octopus Go charges your EV smartly between 00:30–05:30 at ultra-low rates. Customers save 68% versus the standard tariff — that's hundreds of pounds a year.
Heat Pump Support
The Cosy Octopus tariff is designed for heat pump owners, delivering average savings of £219/year versus a gas boiler. With heat pump efficiency of 3–4 kWh heat per 1 kWh electricity, it's the future of home heating.
Fastest Refunds in the Industry
If you're in credit, Octopus processes refunds in just 1–2 days. No other major UK supplier matches that speed. Your money, back where it belongs — in your pocket.
Want to see how these benefits compare? Read our full Octopus Energy review or explore individual smart tariff guides.
Claim Your £50 CreditOctopus vs Typical Big Six Supplier
See how Octopus Energy compares to the traditional Big Six energy suppliers across the metrics that matter most. For a deeper analysis, check our energy switching guides.
Still on the fence?
With 7.3 million UK households already on board and a 4.8/5 Trustpilot rating, the evidence speaks for itself. Most people who switch save money from month one. And with £50 credit on top, there's genuinely nothing to lose. Octopus handles the entire switch in 2–3 working days — you won't even notice it happening.
Still have questions? Check our FAQ or read how switching works step by step.
Start Saving Today