We improve the website every week so you pay a fair price for electricity and gas, and so agencies can work better.
10/10/2026 · For everyone
When you compare, we tell you if your bill costs more than it should with your tariff, if you have a discount that will end, if you are losing surplus from your panels or if you pay too much for energy.
10/10/2026 · For everyone
Install mitarifadeluz.es on your phone and get a notification every evening with tomorrow’s cheapest hours. Also on Telegram, at t.me/horasbaratasluz.
10/10/2026 · Private customers
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.
10/10/2026 · Private customers
Enter the kilometres per month and we add the car’s charging in off-peak hours to tell you which tariff works out cheapest.
10/10/2026 · Private customers
Today’s cheapest tariff, the distributor, taxes and solar panels in each city. Choose yours on the map.
10/10/2026 · Private customers
New connection, change of holder, change of power or supplier: an adviser in your area takes care of everything, at no cost.
10/10/2026 · For everyone
Show only tariffs with no lock-in, with a virtual battery, single price or time-of-use, and leave out PVPC if you prefer a stable price.
30/09/2026 · Agencies
Scan all the bills one after another into a PDF: we split each one, read it in full (holder, tax ID, CUPS, consumption and amounts), file it under its customer and calculate the savings.
30/09/2026 · Agencies
Connect your agency’s WhatsApp Business: Luz replies on your behalf, reads the bills customers send, tells them how much they can save and passes you their call requests.
30/09/2026 · Private customers
If you have solar panels, we flag the tariffs that save your surplus for your next bills, with their fee checked on each company’s website.
30/09/2026 · Businesses
3.0TD bills in PDF are read in your browser without sending them anywhere, checking every line against its amount. If something doesn’t add up, the AI reads them.
30/09/2026 · For everyone
Every CNMC gas offer and the regulated TUR tariff, with the real cost of your bill: fixed charge, consumption, taxes and meter.
30/09/2026 · Private customers
Save your comparison and we recalculate it every night: we email you if a cheaper tariff appears or your contract is about to end.
30/09/2026 · Private customers
Sign up for free and every afternoon you'll get the cheapest and most expensive hours of the next day.
30/09/2026 · Private customers
With your distributor's consumption file we calculate the PVPC with the real price of each hour, not an average.
30/09/2026 · For everyone
We tell you the power you need based on your consumption or maximeter readings, and how much you save a year on the fixed charge.
30/09/2026 · Businesses
We read the reactive energy and excess power on the bill, tell you what they cost you a year and also compare 6.1TD high voltage.
30/09/2026 · For everyone
Each tariff's prices with their source and the date we checked them on the company's website or at the CNMC.
30/09/2026 · Agencies
People in your provinces who ask us to call them reach your dashboard and email instantly.
30/09/2026 · Agencies
Paste all of a customer's supply points from Excel and get the total savings and the best single company for all of them.
30/09/2026 · Agencies
Paste each supplier's statement and we match it with your contracts: payments, cancellation deductions and differences.
30/09/2026 · Agencies
Your logo and colour in the customer portal and proposals, and the comparison tool on your own domain.
30/09/2026 · Agencies
ID cards, bills and contracts stored encrypted in the customer's file, with automatic deletion on the date you choose.
30/09/2026 · Agencies
Studies, signed and active contracts and commissions by month and by sales rep, with the conversion rate of each step.
30/09/2026 · For everyone
Your account, protected with an email code when you sign in from a new browser.
It depends on your actual consumption. Compare them with your bill in one minute.
Luz is an AI assistant (Google Gemini) and can make mistakes. Do not share personal details. We do not store the conversation or audio.
