Electric Infrastructure

High Voltage Power Lines



Our experience in High Voltage power lines has made us, at national and international level,one of the most specialised companies, with our ability to take on comprehensive HV projects of any scale and technical difficulty anywhere in the world: engineering, supply, construction, operation and maintenance for transmission lines, distribution and substations.

"Safety, experience and technical skills are the values​that differentiate Eiffage Energía in the development of high voltage projects."


We have a large staff of professionals and technical resources to ensure the superior quality of our work. We are also actively participating in international markets with projects in different countries such as Poland, Brazil, Chile, Portugal,...

Services we provide

  • Turnkey projects.
  • Basic and detailed engineering.
  • Supply of strategic materials.
  • Metal construction of all types of supports.
  • Special assemblies with helicopters.
  • Civil works, foundations of supports and channelisation for underground pipes and cables.
  • Maintenance for transmission lines.
  • Operation of networks in service.

Key figures

  • More than 3,500 km of High Voltage lines.
  • 22,000 tons of assembled structure.
  • Approval from REE (Spanish Electricity Network) and major electricity companies.




We are a leading company in building Substations at national and international level, being a guarantee of success and professionalism in the completion and start up of any comprehensive substation project: engineering, supply, construction, operation and maintenance.

"Professionalism in work performance and commitment to deadlines are the values that define us."


A large team of professionals will be on hand to conduct projects of great importance anywhere in the international geography.


Services we provide


  • Turnkey projects
  • Basic and detailed engineering
  • Development of control and protection projects.
  • Supply of strategic materials.
  • Electromechanical assembly.
  • Functional tests and start up.
  • Civil engineering, control buildings, accesses,...
  • Maintenance and operation of substations.


Key figures

  • 50 Substations completed and started up.
  • More than 2,400 different MVAs of different types and voltages, ranging from 45 KV to 400 KV.

Medium and Low Voltage Power Lines



From Eiffage Energía we develop electrification projects for industrial and residential areas (urban and rural).

We are one of the leading companies in this type of infrastructure through experience as well as technical means at our disposal, allowing us to provide a comprehensive 360º service.

One of the first activities of the group was the participation in many projects to improve rural electrification. In recent years, we have participated in the developed of millions of square metres of industrial estates and residential areas.


Services we provide 

  • Supply and laying of medium and low voltage cables.
  • Underground and overhead electrification.
  • Supply and installation of transformer centres.
  • Placing of supply GPBs (general protection box) for users.
  • Civil works: trenching, foundation TC (transformer centres), pavements, support bases, brackets, etc.
  • Rural electrification and supply connections for customers


Public Street Lighting



Throughout our history the activity of installation and maintenance of street lighting, mainly urban, has been very important. The use of new technologies, equipment and materials, mean that we are at the forefront of an industry very concerned with efficiency and service.

In recent years, we have been active as installers, providing technical support, covering the economic needs of security and aesthetics, by completing works that endorse our experience in numerous towns and cities. We are very involved in the changes to new LED devices and in the treatment and counselling of energy efficiency.


Services we provide

  • Assembly, upkeep and maintenance of public street lighting.
  • Ornamental public street lighting.
  • Counselling service, integration and energy management of street lighting.
  • Assembly and construction of public street lighting installations.
  • Maintenance of urban, rural, road etc. public street lighting.
  • Ornamental public street lighting
  • Comprehensive counselling service and energy management of street lighting.