EFLA has over 30 years of experience in planning and design of transmission and distribution substations. EFLA's specialists also provide comprehensive related consultancy such as power system analysis, reliability assessments, and assessment of environmental factors.


EFLA ‘s consultancy expertise covers all substation equipment and systems such as:

  • High voltage equipment
  • Power transformers
  • Reactive equipment
  • Medium-voltage equipment
  • DC systems
  • Control systems
  • Protection equipment and settings
  • Communication systems
  • Earthing systems

Broad experience

EFLA has highly qualified staff with extensive experience in design, construction supervision, and international standards application. Our unique strength is the broad experience and culture of our staff who originate from utilities, construction environments, consultancies, and university.

EFLA has occupied various roles in projects such as lead design engineers, utility engineers assessing EPC designs, site engineers, and engineers providing technical services during construction. EFLA is currently one of the main substation consultants for Landsnet, the Icelandic network operator.

EFLA has designed both indoor and outdoor, air and gas-insulated substations. Voltage levels include 66 kV, 132 kV, 220 kV, 300 kV and 400 kV. Special applications include two Static VAr Compensator stations in Iceland.

We strive to remain abreast of the latest technology in substation design, including designing IEC 61850 compliant substation control and protection systems. We perform 3D designs of substations which assist greatly in identifying and removing potential interface issues which would otherwise inhibit construction, resulting in wasteful expenditure.

EFLA designs state of the art substations that fulfil today's requirements for cost-effective design and construction with a focus on safety, quality, and the environment. EFLA's highly qualified staff cater to more than ten languages thereby facilitating international co-operation.

Among services provided are

  • Environmental impact assessment
  • Planning and licensing assistance, communication with stakeholders
  • 3D visualizations and introductory videos
  • Project planning
  • Cost engineering
  • Geotechnical investigations, terrain mapping, design and site supervision
  • Concept design studies
  • Design of high voltage systems and auxiliary systems
  • Civil design of control buildings, switch-gear halls, and transformer cells
  • Design of earthing systems
  • 3D substation design
  • IEC 61850 compliant substations
  • Risk assessments
  • Creation of Tender documentation for high voltage equipment and auxiliary systems
  • Creation of Tender documentation for civil works
  • Tender evaluations
  • 3rd party Design review
  • Factory acceptance testing (transformers, switch-gear, control and protection systems)
  • Construction supervision, management and technical control
  • Commissioning assistance
  • Existing substation condition assessments, diagnostics and refurbishment
  • Upgrade projects for existing substations
  • Specialized research and Failure Investigations
  • Expert Witness service