The Sauda-project is the largest hydropower project in Norway since the -80's. 34km of headrace, tailracetunnels and shafts pluss underground caverns for the powerstations.
The project consists of a total of 5 powerstations:
- Dalvatn powerstation,
- Sønnå high and low.
Construction started in 2005 and was completed in 2008. Total costs US$ 250 mill.
New production 650 GWh, total 1850 GWh.
Client: Elkem Saudefaldene AS. Contractor: AF-Anlegg AS and Veidekke AS.
|Catchment area||554 km2|
|Reservoir capacity||3.470 million m3|
|Maximum regulated water level||521 m.a.s.|
|Average annual production||2.152 GWh|
|Investment||3.750 mill NOK|
|Access tunnels||12.850 meter|
|Water tunnels||79.300 meter|
|Station cavern||60.000 m3|
|Sand trap caverns||70.000 m3|
|Total dam volume. Storglomvatn and Holmvatn dams||6.45 million m3 rock|