Underground cables

As awareness grows of the need to conserve our landscapes, underground electricity cables are increasingly replacing overhead power lines. EFLA offers comprehensive consultancy for underground cable projects at all voltage levels.

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Designing underground cable networks

No matter how tough the terrain or conditions, EFLA is committed to finding safe and economical solutions for underground cable projects, minimizing risk in construction and operation. Our consultancy covers concept design, detailed design and execution, including the following services:

  • Environmental assessment
  • Planning and licensing assistance
  • Cable network system analysis
  • Geotechnical design/ terrain mapping
  • Project planning/ task sequencing
  • Concept, electrical and earthworks design
  • Tender documentation for cables, accessories and earthworks
  • Product specification and qualification
  • Procurement support
  • Tender evaluations
  • Construction supervision and management
  • Commissioning assistance
  • Risk assessments
  • Failure investigations

Underground cable expertise and experience

At EFLA, we are proud of the breadth of our experience. Our highly qualified staff have expertise in design, construction supervision, and the application of international standards. They have developed their skills, knowledge and expertise over many years, undertaking underground electricity cable network projects in often demanding environmental conditions. Our projects frequently entail connecting new users to the national grid or strengthening the existing system, but may also involve laying underground cables to replace overhead lines, especially at lower voltage levels. Sustainability and social principles matter deeply to us, and we undertake all our work with people and the environment in mind.

Powering communities and businesses

At EFLA, we believe in preserving the natural environment and keeping it looking beautiful. We have contributed to the design of numerous underground cable systems in Iceland and Norway with voltages up to and including 220 kV, working with the Icelandic network operator Landsnet. With EFLA as your partner, you can be assured of a cost-effective and sustainable underground cable network that will power businesses and communities for decades to come, no matter how remote their location.

Contact our experts