Construction of the railway systems of the longest railway tunnel in the Nordic countries, that consists of two parallel tunnels between the cities of Oslo and Ski. 

Scope: Procurement and construction of the railway systems and permanent mechanical equipment (traction power supply, overhead catenary system, infrastructure power supply, low voltage system, cable and conduits, fire fighting systems and telecom).

Client: Banenor (state owned enterprise responsible for the management of the Norwegian railway infrastructure), through the Acciona-Guella Joint Venture.

Implementation: February 2016–April 2021

Design and build contract of a new 420 kV/132 kV conventional substation (AIS) for the replacement of the existing nearby substation.

Scope: Design, Procurement, Installation and Commissioning of: Groundworks, Control building, Transformer shelter, Foundations and associated cable ducts, OPI channels, 170kV HV Cable, Line spans, Auxiliary power supply systems and High Voltage equipment (420kV and 132kV).    

Client: Statnett

Implementation: February 2020–August 2022

Construction of the Overhead Catenary System for 9 km double track for the extension of the Bergen Tram.

Scope: completion of detailed design, supply, installation, testing and commissioning of all equipment for the Overhead system for 9 km of double track including parking tracks.

Client: Bybanen Utbygging (public enterprise responsible for the development of the Bergen Tram).

Implementation: July 2020–January 2023