Operation & Maintenance

Key figures

assets managed

6.9 GW

operated for Voltalia & Third parties 

energy produced


dedicated Maintenance specialists

years of international experience


years of international experience

Why us

Voltalia is an international Operation & Maintenance service provider, from diagnostic to ongoing operations management. Our 24/7, real-time monitoring and control allow us to respond quickly when needed at the solar, wind, biomass, hydro and storage plants we oversee in over 20 countries.

We offer full asset management services to ensure sustainable and reliable returns on our clients’ investments.

What Sets Us Apart



  • Profiles focus (mainly electrical maintenance expertise, for the long term)
  • Voltalia employees


  • Resource management & allocation
  • Training for expertise
  • MMC – Maintenance Methods Center & specialized engineering
  • Maintenance Management based on global system CMMS
  • Global claiming management
assets managed


  • Solar Hub - Portugal & Wind Hub - Brazil
  • VoltPower System
  • EP – Energy Portal (for direct customer access)

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Committed to improving the global environment and promoting local development, at Voltalia, we contribute to socio-economic development and the preservation of the environment through innovative and personalized solutions.

Where we are operating

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Contact Us

As a reference in Operation & Maintenance services, our commitment is to offer our customers and investors the best solutions and work with clients and investors who require a state of the art service. Please contact one of our offices for more information.