The tunnel boring machine ALESJA has precisely reached the dismantling cavern in the Stubai Valley after more than 25 kilometers and approximately four years of excavation—a significant milestone in the construction of Central Europe’s largest and highest-altitude hydropower project, the Kühtai 2 pumped storage power plant.
This project is an important building block for Tyrol’s sustainable energy supply and increases the electricity production of the Sellrain–Silz power plant group by 216 million kilowatt-hours annually.
Since 2021, GEODATA has been working on this project in alpine terrain at elevations above 2,000 meters and is responsible for construction and excavation surveying, geotechnical monitoring, as well as the supply and maintenance of measurement technology in the underground structures. Congratulations to our team for the outstanding work on site!
Images © ORF Tirol
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