Annual Report 2025

Brenner base tunnel, ARGE BBT H41

Harald Goldberger, Technical Director

Infrastructure for the future

Infrastructure for the future

Population growth, urbanisation and the transition to renewable energy are creating enormous demand for modern transport and energy infrastructure. Whether building tunnels, upgrading railways while the trains still run, constructing new bridges or replacing old ones, or building power stations, Implenia develops tailor-made solutions for complex construction projects based on its experts’ many years of experience and comprehensive skills. This is how infrastructure for the future is created.

Brenner base tunnel (AT)

Liestal four-lane expansion (CH)

E39 Lyngdal (NO)

Elbe bridge Wittenberge (DE)

Imst-Haiming hydroelectric power station (AT)

Tangenvika Bridge Stange (NO)

Deep geological repository Forsmark (SE)

Projects of the Division Civil Engineering

Four track expansion Liestal, Switzerland: Swiss Federal Railways (SBB) commissioned Implenia to double the number of tracks from two to four over a 2.5 kilometre stretch of railway around Liestal station. This included the refurbishment of the station, the construction of new platforms and the adaptation of associated infrastructure.
Four track expansion Liestal, Switzerland: Swiss Federal Railways (SBB) commissioned Implenia to double the number of tracks from two to four over a 2.5 kilometre stretch of railway around Liestal station. This included the refurbishment of the station, the construction of new platforms and the adaptation of associated infrastructure.
Deep geological repository, Forsmark, Sweden: Implenia has signed an early contractor involvement agreement with SKB to build underground facilities for a deep repository near Forsmark. The project includes an access tunnel, three vertical shafts and a central area, as well as main and transport tunnels. © SKB
Deep geological repository, Forsmark, Sweden: Implenia has signed an early contractor involvement agreement with SKB to build underground facilities for a deep repository near Forsmark. The project includes an access tunnel, three vertical shafts and a central area, as well as main and transport tunnels.

© SKB
Tangenvika Bridge, Stange, Norway: Implenia is building Norway’s longest railway bridge, measuring 1,042 meters, for Bane NOR. The planning and implementation of the project is completely digitalised and uses BIM modelling.
Tangenvika Bridge, Stange, Norway: Implenia is building Norway’s longest railway bridge, measuring 1,042 meters, for Bane NOR. The planning and implementation of the project is completely digitalised and uses BIM modelling.
Imst-Haiming hydroelectric plant, Austria: Together with partners Swietelsky and Hans Bodner Bau, Implenia is building the main lot of the ImstHaiming hydroelectric power plant for TIWAG. This includes the headrace, caverns and underwater basin. © TIWAG
Imst-Haiming hydroelectric plant, Austria: Together with partners Swietelsky and Hans Bodner Bau, Implenia is building the main lot of the ImstHaiming hydroelectric power plant for TIWAG. This includes the headrace, caverns and underwater basin.

© TIWAG

Insights

New living and working environments for people

New living and working environments for people

Added value beyond construction

Added value beyond construction

Proactive climate action reduce CO₂ emissions

Proactive climate action reduce CO₂ emissions

The IMP – lift-off for a home-grown innovation

The IMP – lift-off for a home-grown innovation