Powering Secure, Efficient Transmission Line Construction Projects

Energy Security and the Challenges of Modern Grids

Electricity supply security is a key concern for every country. The wide‑scale integration of intermittent energy sources into the electrical grid is a major challenge for operators around the world, both in terms of adapting existing infrastructures and developing smart systems to balance supply and consumption across the grid.

Omexom’s Expertise as a Global EPC Partner

With its extensive knowledge of power transmission lines, Omexom, acting as a global EPC partner and overhead transmission line contractor, offers its customers a wide span of services across the full EPC scope of these infrastructures. Thanks to its international nextwork and collaboration with partners and start‑ups, Omexom also gathers and applies the best expertise from around the world.

From design to commissioning and maintenance, Omexom supports its customers throughout every stage of a project.

What You Need to Know About Overhead Transmission at Omexom

  • Overhead transmission lines are essential for long-distance power transport and renewable energy integration.
  • Omexom delivers end-to-end overhead line solutions as a global EPC partner.
  • Omexom supports new builds, upgrades, and maintenance to ensure resilient power networks worldwide.
  • Omexom implements new builds, refurbishments, upgrades, and maintenance to ensure resilient power networks worldwide.

 

Omexom provides complete engineering expertise to support the development of reliable and efficient overhead transmission infrastructure. Our teams combine advanced technical capabilities with deep field experience to ensure every project is precisely designed, compliant, and optimized for long‑term performance.

  • Pre-Engineering Studies and Early Contract Involvement (ECI)
  • Geotechnical investigation (topographical survey, routing, etc.)
  • Design and planning
  •  Structural and civil static calculations
  •  Concurrent engineering with OEMs
  • PLS-CADD expertise
  • Equipment specification and quality control

Omexom manages all stages of overhead line construction with a focus on safety, efficiency, and operational excellence. Our integrated teams coordinate logistics, field operations, and technical execution across diverse environments.

  • Supply and logistics
  • Worksite management
  • Civil Works, Tower assembly, Erection, Cable Stringing
  • Roads and railway crossing
  • Commissioning

For challenging soils and complex terrains, Omexom provides specialized foundation solutions tailored to each project’s structural and geotechnical requirements.

  • Foundations design (surface and deep)
  • Foundations for new towers and reinforcement of existing ones
  • Deep foundations on driven and bored piles
  • Technical works by micro-piles and half-slab
  • Guying masts

Omexom ensures long‑term network performance through advanced inspection methods, preventive maintenance strategies, and rapid‑response solutions.

  • Condition assessment
  • Asset inspection (Lidar, UAVs, computer vision, photos, thermal cameras, etc.)
  • Emergency temporary towers
  • Fittings and insulators replacement

To support grid modernization and asset renewal, Omexom provides expert services for upgrading, reinforcing, and reconstructing existing overhead transmission infrastructure.

  • Power line reconductoring and replacement of shield wire (OPGW)
  • Several techniques for live line work
  • Replacement of towers with isolated crane device

References & International Expertise

  • Salzburgleitung

    Country: Austria
    Client: Austrian Power Grid (APG)
    Scope: Construction of a strategic 380 kV overhead transmission line including 22.3 km of new line and modification of 1.7 km existing line through challenging alpine terrain, with environmental mitigation measures and complex logistics.
    Dates: 2019 – 2024
    Business Unit: Omexom in Germany

    Aerial view of technicians assembling an overhead transmission structure in mountainous terrain
  • Central North Island 220 kV Capacity

    Country: New Zealand
    Client: Transpower
    Scope: Foundation and tower strengthening, selective replacements, new foundations, and structural upgrades across the network.
    Dates: 2023 – 2027
    Business Unit: Omexom in New Zealand

    Steel overhead transmission pylon installed on open countryside under cloudy skies
  • Serra Da Palmeira Project

    Country: Brazil
    Client: CTG Brasil
    Scope: EPC supply for a 75.2 km, single-circuit 500 kV wind farm transmission line with 142 towers, four-bundle conductors, dual OPGW, and polymeric insulators.
    Dates: 2023 – 2024
    Business Unit: Omexom in Brazil

    Highvoltage transmission tower crossing a rural road in a semiarid landscape, part of Brazil’s power grid

News Related to Overhead Line Transmission

  • Multiple overhead electricity transmission towers installed on a rocky ridge, forming a highvoltage power corridor
  • Highvoltage overhead transmission towers under a clear sky, carrying longdistance electricity lines
  • Overhead electricity transmission lines running along a loch and mountainous landscape
  • Overhead power transmission towers integrated into a mountainous landscape with dense vegetation
  • Highvoltage transmission pylons following a mountain access road through forested terrain
  • Overhead power transmission pylons crossing a remote valley with a loch, part of a highvoltage electricity network
  • Overhead transmission line technicians working on a highvoltage electricity pylon above farmland, maintaining power grid infrastructure

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