Vianden pumped storage power station

Underground Mining Power station construction

Extension of machine no. 11, Vianden PSPS

Project data

Société Elictrique di l'Our S.A. (SEO)
Building Method
conventional drive
Burst volume
250.000 m³
Order sum
75.6 million EUR (as part of a consortium)
Period of implementation
January 2010 - January 2013
Diameter / Cross-section
165 - 1.400 m²

Sekretariat Untertagebau
+43 5556 7181-817

The following structures were built as part of lot 1:


Powerhouse cavern: 52 m long, 25 m wide, 55 m high

Transformer cavern: 54 m long, 17-20 m wide, 15 m high

Access and connection tunnels: 785 m long, A = 60 m²

Pressure shaft: 300 m high, 5.46 m excavated diameter

Upstream water pressure tunnel: 250 m long, A = 28 m²

Underwater tunnel: 500 m long, A = 33 m²

Inlet/outlet tower in the upper reservoir

Inlet/outlet structure in the lower reservoir

Scouring measures in the riverbed of the Our

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