Operation & Maintenance

Key figures

assets managed

3.5 GW

in operation for Voltalia & Third parties 

energy produced


dedicated O&M 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. We monitor and control 24/7 power plants in real-time, allowing fast response time, in more than 20 countries in solar, wind, biomass, hydro and storage.

We offer full asset management services ensuring sustainable and reliable returns on our clients’ investment.

What distinguishes us?



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


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


  • VoltPower Hub (Porto and Mossoró)
  • VoltPower System
  • EP – Energy Portal (for direct customers access)


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

Reach us

As a reference in Operation & Maintenance services, our commitment is to offer our customers and investors the best solutions. We collaborate with clients and investors who require a state of the art service. If you are interested in our offer, please contact us.

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