The comparator is free and always will be for households. No sign-up, no phone number required, and no sales calls.
If your fuses never blow, you might have more power capacity than you need. Lowering it reduces your fixed monthly charge.
With a three-period tariff, running the washing machine and dishwasher at night or at weekends makes the kWh cheaper.
Suppliers raise prices upon renewal. Compare at least once a year so you don't get stuck on an expensive tariff.
Luz explains your bill, tells you the cheapest hours and helps you compare from your phone. Write to her or send a voice note.
Talk to Luz
If your consumption is not the usual one, compare with your real data: upload your distributor’s consumption file and we calculate each tariff with your hours, your surplus and your virtual battery.
How to download my consumptionYou only need your latest bill.
What power to contract based on the appliances you use at the same time, whether you are entitled to the social discount and what each appliance costs you. Open the calculators
If you have surplus energy in summer, a tariff with a virtual battery stores it in euros for your next bills. In the comparator we mark with 🔋 the ones that have it and what they cost.
Luz is an AI assistant (Google Gemini) and can make mistakes. Do not share personal details. We do not store the conversation or audio.
