Norway

Implenia and Risa to build Tunnel for Hydropower Plant in Vest-Agder

The Langevatn reservoir is located in the Norwegian municipality of Åseral in Vest-Agder. Implenia, in partnership with Risa AS, is building a new dam and a tunnel Quelle/credit: Anders Martinsen/Agder Energi
The Langevatn reservoir is located in the Norwegian municipality of Åseral in Vest-Agder. Implenia, in partnership with Risa AS, is building a new dam and a tunnel
Quelle/credit: Anders Martinsen/Agder Energi

Implenia, in partnership with Norwegian infrastructure construction company Risa AS, has won a contract from energy company Agder Energi. The consortium will build a dam and a new transfer tunnel for an existing hydroelectric power plant in the county of Vest-Agder in southern Norway. The contract for this complex infrastructure project is worth approximately 600 million Norwegian kroner (62 million euros).

 

7 km of new Tunnel to be built

At a length of 210 m and a height of 40 m at its highest point, the new dam will double the reservoir’s capacity to 46 million m3. The old dam will be...

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