Trustworthy partners in the electricity company.

Builders who do the best work

Who we are

Discover powerful electrical solutions with our company.

We are builders who create the future

Who we are

An electricity company that provides innovative solutions.

Our builders bring your ideas to life

Who we are
  • 01
    External Grid Construction

    This service includes the construction and maintenance of electrical networks in outdoor conditions.

  • 02
    Internal Works

    This service deals with the installation, repair, and maintenance of electrical systems in buildings, ensuring a safe and reliable power supply.

  • 03
    Contact Network Construction

    This service includes the construction of contact lines or electrical lines, ensuring the traffic of electric trains.

  • 04
    Excavation Works

    Excavation works involve digging and processing the ground to install electrical cables, pipelines, or other devices related to the electrical grid.

  • 05
    Substation Construction

    This service includes the construction of substations, which are essential for distributing electricity and converting energy to connected areas and customers.

  • 06
    Operations and Maintenance

    Operations and maintenance service involves monitoring, maintaining, repairing, and optimizing electrical systems and equipment to ensure their smooth operation and long-term reliability.

  • 07
    Design and Planning

    Design and planning service includes the planning and designing of electrical systems according to client's needs, considering safety, efficiency, and energy-saving principles.

  • 08
    Construction Works

    Construction service involves the building of electrical infrastructure, including electrical systems, cables, wires, and other devices according to project specifications and construction standards.

Major Projects

OVER 25 YEARS, WE ARE YOUR RELIABLE ELECTRICITY COMPANY

Filsi OÜ is an Estonian electricity company, founded in 1997. We specialize in electrical installations, offering services in external grid construction, internal works, contact network construction, excavation works, substation construction, operations and maintenance, design and planning, and construction works. Filsi OÜ has a large fleet of machinery, and our significant projects include Kakumäe Harbor, Module Tech, Eesti Traat, and Favorit. We are known for providing professional service, delivering reliable electrical works, and ensuring the safety and reliability of electrical systems.

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