We compare your bill against 96 tariffs from 30 companies and calculate the exact amount, with all taxes included. Free and with no small print.
Grab your latest electricity bill. With just three details, we'll tell you which company works out cheapest.
Note down your contracted power and the kWh you have consumed. We'll show you where to find them.
We calculate your bill for each tariff: power, energy, social bonus, electricity tax, meter and IVA.
You see the ranking from cheapest to most expensive and how much you save a year. You decide, no obligation.
Ask her anything about your bill, tariffs or solar panels. She answers instantly, in writing or with her own voice.
All the tools to understand your bill and pay a fair price, on one website.
Upload the PDF or a photo: we read the official QR code or use artificial intelligence, and fill in the details for you.
Upload the consumption file from your distributor and we compare using what you really use, month by month.
We calculate each company’s surplus compensation and virtual battery, and whether solar panels are worth it for you.
The cheapest and most expensive hours of the day, so you can run the washing machine or charge the car when it costs least.
Six-period 3.0TD tariffs for companies, shops and the self-employed.
Sign-in with an email verification code, and no sales calls you did not ask for.
Install mitarifadeluz.es on your phone and get a notification every evening with tomorrow’s cheapest hours. Also on Telegram, at t.me/horasbaratasluz.
Every CNMC gas offer and the regulated TUR tariff, with the real cost of your bill: fixed charge, consumption, taxes and meter.
Save your comparison and we recalculate it every night: we email you if a cheaper tariff appears or your contract is about to end.
Don't just trust the adverts: the kWh price isn't everything. We calculate the complete bill, just like your supplier does, so you can make a real comparison.
Ditch the spreadsheets. Compare market tariffs and your own, apply your margin, and save each assessment to the customer's file.
Prices are taken from each supplier's official website and regularly reviewed. No company pays to appear first.
Every night we check the prices published by the CNMC and on each company’s official website. If they differ, the company’s website price prevails, as that is the one it is bound by.
Compare in one minute. No registration, no sales calls.
Luz is an AI assistant (Google Gemini) and can make mistakes. Do not share personal details. We do not store the conversation or audio.
