power lines

Design of overhead and underground electrical lines for MEDIUM AND HIGH VOLTAGE (15 – 500 KV) for power generation plants, distribution networks, and transmission networks.

Overhead power lines

  • Mid voltage lines (15-30kV) for distribution companies (I-DE, Endesa, Gas Natural Fenosa, Viesgo), according to their standard projects.
  • High voltage lines (45-500kV) for conventional and renewable generation companies, distribution companies, and transmission networks (Redeia – REE), using either standardized or custom-designed metal supports.
  • Validation of lattice supports and design of reinforcements for existing supports.
  • Projects for increasing the transmission capacity of existing lines.
  • Projects with high-temperature, low-sag conductors.
  • Projects for the incorporation of optical fiber to existing lines.

220 KV lines in the Atacama desert

Medium voltage line in the Atacama

500 KV line in Peru

400 KV line in Spain

Overhead to underground support

Underground line entry in SET AIS portal 220kV line, double circuit in trench, under pipe

Underground line channelling

Underground power lines

  • Medium voltage lines for wind and/or photovoltaic plants or for distribution networks.
  • High voltage lines in 45, 132, 220, 400 kV or 500kV, for the transmission of high power to the transmission grid.
More than 40 years
of expertise.

OVERHEAD AND UNDERGROUND LINES

At the forefront of power line design.

A team of professionals trained in the use of specific software tools for the design of overhead lines such as PLS-CADD with SAPS and PLS-TOWER modules and for underground lines design such as CYMCAP.

Comprehensive engineering service:

Participating in all stages of the project

From the design of the most suitable layout for the line, to the commissioning of the installation, including engineering support during construction.

  • Analysis of the optimal line layout, considering specific conditions of each geographical area.
  • Field surveys, using differential GPS technology, LIDAR, photogrammetry…
  • Access and connection studies.
  • Preliminary or basic projects, for the request of previous administrative approval.
  • Execution projects, for the request of administrative approval of construction.
  • Detailed or ready to build projects.
  • Develop of bidding documents and review of projects carried out by third parties (property engineering).
  • Engineering support during construction.
  • Permitting and expropriation proceedings.
  • Processing of the project in the administration.
  • Construction supervision and construction management.
  • Design of lines considering environmental criteria.

Around the world

Construction supervision

Topographic studies.

Birdlife protection systems

We approach projects from all disciplines

proposing viable solutions from a technical, constructive and environmental point of view

Crossing lines

Pulleys for regulating conductors

Complex line connection solutions

Polymeric insulation

Reinforced foundation

  • Field surveys: layout and topography studies, for the determination of the optimal line track, according to technical and environmental issues.
  • Electrical engineering: dimensioning of conductors, insulation levels, grounding networks, electric and magnetic fields…

  • Mechanical engineering: tower spotting and dimensioning, mechanical calculation of conductors, laying schemes, design and validation of supports or towers.

  • Civil engineering: design and calculation of foundations, study of access roads necessary for the construction of the line.
  • Geotechnical and geophysical studies of the terrain.
  • Electrical, structural and complex civil studies.
  • Urban compatibility studies of the projects.

220 KV line

Contact

How can we help you?

How can we help you?
Additional information

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Email: femab-info@sisener.com

Zaragoza: Paseo Independencia 16, Planta 2ª 50004
Tel.: (+34) 976 301 351

Madrid: Isla del Hierro, 7 – P.3, oficina 3.3,
28703 San Sebastián de los Reyes
Tel.: (+34) 916 586 838