The transformation of electricity is a longstanding core business for Omexom and has been so for over 100 years.
As an EPC contractor, Omexom delivers value-added solutions during the complete life-cycle of substations.
Our DNA as a local contractor with global capabilities allow us to support our customers for all sizes of project and any kind of project complexity. Our independence from material manufacturers guarantees a perfect fit between the needs and the solution provided by our highly skilled teams of engineers.
Our expertise covers all steps of project development, from basic design, detailed design, procurement, construction, commissioning, maintenance and operation.

We have EPC references in air insulated Substations up to 400 kV.

Substations for electricity transport and distribution

Design, construction & maintenance

For electricity transport and distribution substations in medium, high and very high voltage, Omexom supports its client throught administrative procedures, provides design studies and ensure civil works, lifting and implementation. Omexom is expert regarding connection, testing, commissioning and maintenance.

We provide a range of technical services, including feasibility studies, diagnosis, switchgear repair, power transformer refurbishment and maintenance.

With 435 business units across the world, we have access to a talented team of local suppliers and contractors, each with their own unique expertise. Our collaborative approach ensures that you get the best team for your project.
We operate in 37 countries, working with local suppliers. We are committed to the highest levels of requirements in terms of quality, health and safety and the environment to deliver sustainable, efficient and secure solutions.

News related to Substations

18/03/2025 Power, Solar

Omexom Portugal: Expertise in Solar Energy Serving the Global Network

Omexom Portugal continues to strengthen its role as a center of excellence in photovoltaic energy within the international Omexom network. With extensive experience in engineering, procurement, and construction of solar projects, the Portuguese team has been crucial in implementing renewable solutions in various geographies.
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12/03/2025

Visit of the Municipality of Montemor-o-Novo to Omexom Portugal

On March 7th, the Mayor of Montemor-o-Novo, Olímpio Galvão, accompanied by local authority technicians, visited Omexom Portugal, a VINCI Energies Group brand in Portugal. The visit was part of a tour of the Adua Industrial Zone, an initiative of the Mor + Economia Program to develop, undertake and innovate.
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27/02/2025 Energy Transition, Solar

Omexom Portugal at Energyear Portugal 2025: Driving Energy Transformation

Omexom Portugal was present at Energyear Portugal 2025, held on February 27th at Eurostars Universal Lisboa. This event is considered the leading renewable energy conference in Portugal and featured over 350 participants and 50 specialized speakers.
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14/02/2025 Power, Solar

Omexom Portugal present at the ENERGYEAR 2025 conference in Lisbon

Omexom Portugal will be present at the EnergyYear Portugal 2025 conference, which will take place at the Eurostars Universal Lisbon, on February 27th. This event will be an essential meeting point for specialists and decision-makers in the energy sector, promoting debate and collaboration among leading professionals.
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07/11/2024 Power, Solar

OMEXOM and HYPERION Join Forces for 72.2 MWp in Solar Energy in Portugal

Omexom Portugal has signed two Full EPC contracts with Hyperion for the construction of photovoltaic plants in Estremoz and Alcochete, with capacities of 51.8 MWp and 20.4 MWp, respectively. These projects, which are already under construction, cover a total area of 128 hectares and involve the installation of over 100,000 photovoltaic modules.
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25/09/2024 Energy Transition, Solar

Omexom Portugal and RWE: A Successful Partnership

Omexom Portugal, a brand of VINCI Energies Portugal, reaffirms its commitment to the Energy Transition by helping its clients achieve sustainable goals.
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31/05/2024 Power, Solar

Learning Expedition PV Utility Scale of Omexom in Lisbon

Omexom held another learning program, the Learning Expedition PV Utility Scale, on May 21, 22 and 23 at the Lumen hotel in Lisbon. This event promoted the exchange of Omexom's knowledge and expertise at an international level.
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21/12/2023 Energy Transition, Power, Solar

Omexom Portugal Shines at the Innovation Challenges Awards

It is with great pleasure that we share exciting news: Omexom Portugal has been recognized with the Energy Transition Award for the notable Green Container project.
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03/07/2023

Omexom Portugal is present at the ENERGYEAR 2023 conference in Lisbon

Omexom Portugal will be present at the prestigious Energyear 2023 Conference, which will take place on July 5th, at the Altis Grand Hotel, in Lisbon. This event will bring together the main players in the sector to explore business opportunities in the areas of renewable energy, storage and green hydrogen in Portugal.
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03/05/2023 Power, Solar

Omexom Portugal and Finerge sign EPC contract for photovoltaic solar project in Montemor-o-Novo

Omexom Portugal, a VINCI Energies Portugal brand specializing in energy production, transportation, and distribution activities, announced the signing of an EPC (Engineering, Procurement and Construction) contract with Finerge for the construction of a solar photovoltaic plant in Montemor-o-Novo, near Évora. 
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