Building Europe’s Energy Highways for the Future
For more than two decades, Elnos Group has been at the forefront of constructing modern transmission line networks across Europe and the region. With thousands of kilometres of transmission lines completed, our work sets reliable standards for energy transmission and sustainable development. Transmission lines are our signature capability – both across Europe and in our home markets.
Comprehensive Turnkey Services
Our services cover the entire project lifecycle – from engineering and procurement to installation, testing, and maintenance. With four resource centres across the region and dedicated transmission line teams in Poland and Romania, we continuously strengthen our capacity and reinforce our commitment to developing Europe’s modern power infrastructure.
Regional Strength
In the markets of the former Yugoslavia, Elnos Group has established itself as a leader, with thousands of kilometres of transmission lines built and modernised. We are particularly proud of our OPGW installation projects in Bosnia and Herzegovina, Montenegro, and North Macedonia, totalling approximately 1,000 km.
400 kV Transmission Lines
We lead the execution of the most demanding 400 kV transmission line projects, using advanced technologies to enhance the reliability and performance of power networks.
220 kV Transmission Lines
Our expertise in 220 kV transmission line construction ensures stability and increased transmission capacity for key European and regional power systems — including projects in protected and environmentally sensitive areas.
Transmission Lines up to 130 kV
We provide specialised engineering and construction services for transmission lines up to 130 kV, ensuring reliable integration of local distribution and industrial systems with national and regional grids.
Key Markets and Major Projects
Our transmission line work spans Europe’s leading energy markets:
- Denmark: Our newest market, where we began with a 150 km transmission line project focused on sustainable development.
- Sweden: Our largest and longest-standing EU market – with around 100 completed projects and thousands of kilometres built and modernised.
- Iceland: Active since 2015; we have delivered numerous projects, including two new-generation transmission lines with a combined length exceeding 300 km.
- Germany: Dozens of references and experience on major national projects.
- Czech Republic: After successfully completing our first project near Prague, we are currently executing two major contracts over the next 2–3 years.
- Poland and Romania: Growing presence supported by smaller but highly significant projects.
Featured Projects
Reconstruction of the historic 2×110 kV Divača–Pivka–Ilirska Bistrica transmission line in Slovenia Slovenia
110 kV Veles–Ovče Polje transmission line reconstruction – enhancing energy stability in North Macedonia Macedonia
Construction of the 2×110 kV transmission line SS Kraljevo 3 – SS Novi Pazar 1 –strengthening the power grid of Southwestern Serbia Serbia
110 kV Kidričevo – Ptuj – Formin transmission line modernization – implementation of superconductors Slovenia
380 kV TL Conneforde–Cloppenburg–Merzen – Germany’s power grid modernisation Germany
110 kV cable line Renče – a key energy link for the Primorska region Slovenia
Expertise and Reliability for the Future
Our experience and dedication have made Elnos Group a trusted partner to leading companies worldwide. We deliver projects under EPC contracts in line with FIDIC standards, achieving high-quality and sustainable results. Regardless of the size or complexity of the project, we provide the expertise you can rely on.