Supplier comparison
Octopus vs other suppliers
How does Octopus stack up against the other big UK energy suppliers? Here's a straightforward comparison based on pricing, customer service and smart tariff options. Click through for the full breakdown on each supplier.
Where Octopus stands out
- Smart tariffs: No other supplier comes close. Agile, Go, Intelligent Go, Tracker, Cosy, Flux. Most competitors offer one EV tariff at best.
- Exit fees: Variable tariffs have no exit fees. Some fixed tariffs may carry a small fee, but Octopus is generally more flexible than most competitors.
- Customer service: 4.8/5 on Trustpilot from 757,000+ reviews. Consistently top-rated.
- Pricing: Standard rates at or below the Ofgem cap. Smart tariffs can save significantly more.
Octopus vs British Gas
The UK's best-known supplier with ~8 million customers. Strong Trustpilot rating, HomeCare boiler cover and a nationwide engineer network. Fewer smart tariff options than Octopus.
- Trustpilot:
- 4.4/5
- Smart tariffs:
- PeakSave rewards programme (half-price Sunday electricity).
- Exit fees:
- £50-75 per fuel on fixed deals
Octopus vs EDF
Britain's biggest zero-carbon generator. 100% zero-carbon electricity backed by nuclear and renewables. Expanding smart tariff range with competitive EV rates.
- Trustpilot:
- 4.8/5
- Smart tariffs:
- GoElectric (9p), GoElectric 35 (4.5p), Heat Pump Tracker.
- Exit fees:
- Up to £75; some fixed deals have none
Octopus vs OVO Energy
Around four million customers. Strong app powered by Kaluza technology, genuine green energy initiatives and a credible EV charging product.
- Trustpilot:
- 4.6/5
- Smart tariffs:
- Charge Anytime for EV owners (from £27.50/month).
- Exit fees:
- £75-95 per fuel on fixed deals
Octopus vs E.ON Next
Rebranded and much improved. Strong customer ratings, expanding range of EV and heat pump tariffs, and 100% renewable electricity.
- Trustpilot:
- 4.5/5
- Smart tariffs:
- Next Drive (7.5p), Next Drive Smart (6.5p), Next Pumped, Smart Saver.
- Exit fees:
- £50-100 per fuel on fixed tariffs
Octopus vs Scottish Power
Owned by Iberdrola, one of the world's largest renewable energy investors. 100% green electricity from own wind farms. Growing range of smart tariffs.
- Trustpilot:
- 4.3/5
- Smart tariffs:
- EV Saver, Heat Pump Saver, Power Saver (half-price weekends).
- Exit fees:
- £50 per fuel on fixed deals
Supplier information based on publicly available data and customer reviews as of early 2026. Prices and tariff availability change regularly. Use the tariff comparison tool for live Octopus rates based on your postcode.