• About us
    • About us
    • Opinions holaluz
      • Electricity rate reviews
      • Solar panel reviews
    • The Rooftop Revolution
      • Green Energy
      • Energy transition
      • A Fair electricity
    • Recommend a friend
  • Electricity Rates
    • Electricity tariffs
      • All our electricity rates
      • Flat rate
      • Electricity rate with surplus compensation
      • Electricity time bands
    • Electricity price today
    • Calculate power
    • Maintenance and repair
      • Electrical maintenance
      • Electrical fault repair
  • Solar Panels
    • Solar panels installation
    • Solar panel prices
    • How many solar panels do I need?
    • Batteries and solar panel surplus
      • Batteries for solar panels
      • Virtual battery
      • Self-consumption with surplus rate
    • Batteries and solar panel surplus
      • Solar panel subsidies
      • Informative sessions
      • Solar panel maintenance
      • Permits for installing solar panels
  • Electric car charger
  • Businesses
    • Electricity tariffs for businesses
    • Rate 3.0TD
    • Rate 6.1TD and higher
  • Producers
  • Blog
  • Frequently Asked Questions
Holaluz logo
  • Electricity tariffs
  • Solar Panels
  • Businesses
  • Producers
  • Blog

Any doubts?

How we can help you?

I'm already a client!

Can I modify the power or electricity rate after contracting it?

Can I modify the power or electricity rate after contracting it?
I'm already a client!

Can I modify the power or electricity rate after contracting it?

What is the term Energy on my bill?

Can I modify the payment account, the contract holder or the contracted power?

What if I have an incident with Holaluz?

How can I consult with you about a doubt regarding my bill?

If I switch to Holaluz, who will come to read my meter?

What is the meter rental?

Can I send you my meter reading?

What is the term Power on my bill?

If I switch to Holaluz, who will send me the bill?

How often will the Holaluz bill arrive?

What are the electricity taxes?

See all

Help topics

Earth icon

About Holaluz

House Panels icon

Solar panels

Building And Tree icon

How to change to Holaluz

Hand Shake icon

I'm not a client yet

Euro Medal icon

I'm already a client!

Energy Exchange icon

About the energy sector

Electric Car icon

About electric cars

900 67 07 07

from 9:00AM to 19:00PM, Monday to Friday

Most asked questions

To save you time, we have compiled some of the questions we get asked the most.

01

How much does a solar panel installation cost?

02

What is a photovoltaic cell and how does it work?

03

How many solar panels do I need depending on the size of my house?

04

What does “simplified compensation” in self-consumption mean?

05

What does a solar installation include?

06

What aids or tax benefits does exist for the installation of solar panels?

07

Why does Holaluz believe in self-consumption?

08

How to install solar panels

09

How many solar panels do I need for a house?

4 Starts in Trustpilot
Holaluz logo
B-Corp. Open in a new windowConfianza Online. Secure payments. Open in a new windowEcoVadisESG Industry. Open in a new windowISO27001

Become part of Holaluz

Work with usBecome a collaboratingOur generators

Corporate

Investor relationsNewsroomESG

Need help?

FAQsGlossaryContact

Most-read

Renewable energy: the solutionSave by personalising your powerinstallation of solar panels

HOLALUZ-CLIDOM, S.A. © 2025

Legal DisclaimerPrivacyGeneral Contracting ConditionsCookiesQuality PolicyAlert channelSecurity Policy
  • Holaluz Facebook. Open in a new window
  • Holaluz Twitter. Open in a new window
  • Holaluz LinkedIn. Open in a new window
  • Holaluz YouTube. Open in a new window
  • Holaluz Instagram. Open in a new window