Why Switch to Octopus Energy?
Over 7 million UK customers. The highest-rated energy supplier.
Consistently the Cheapest
Octopus Energy is the only large UK supplier to have never charged the full Ofgem price cap. Fixed tariffs typically sit £100–£260 below the cap.
Get a No-Obligation Quote →Award-Winning Customer Service
4.8 out of 5 on Trustpilot from over 770,000 reviews. Which? Recommended Provider for nine consecutive years.
100% Renewable Electricity
Every tariff includes 100% renewable electricity from wind, solar, and hydro. It’s the default, not a premium add-on.
Smart Tariffs That Save Money
Intelligent Octopus Go – EV charging well below 10p/kWh overnight.
Agile Octopus – Half-hourly rates linked to wholesale prices. 30–50% savings achievable.
Octopus Tracker – Daily rate following the wholesale market.
Cosy Octopus – Three cheap-rate windows for heat pump owners.
No Exit Fees
Most fixed tariffs have no exit fees. Switch to a better deal any time.
Painless Switching
Under 5 minutes online, completes within 5 working days. Octopus handles everything.
Switch Now & Get £50 Credit →Get £50 Free Credit
Switch to Octopus Energy through our referral link. It takes under 5 minutes.
Switch & Claim £50 →Referral verified May 2026. No code needed — credit applied automatically.