Octopus Energy

I'm paying Endesa or Iberdrola by default and I have no idea if I'm being ripped off.

Switch your electricity to a 100% renewable tariff with transparent billing, an English-language app, and no lock-in contract.

Why it rocks

✓4.8/5 on Trustpilot from 16,000+ verified reviews. The most recommended energy switch in expat communities.
✓Billing is actually readable. You'll understand what you're paying for and why.
✓English-language customer service and app throughout. Nothing to decode.
✓No lock-in contract. Switch again whenever you want.

Heads up

✗Not available in all rural areas. Check your postcode on their site before switching.
✗Contracted power (potencia) rates are marginally higher than some competitors.

Cost: Pay-as-you-go per kWh. Free to switch. No subscription fee.