Hydropower
references
2021 Risvoll Power Plant - Sauda
2021 Kupe Power Plant - Sunnfjord
-
Length: 827 m.
-
Diameter: 0,78 m.
2021 Stampaelva Power Plant - Jondal
-
Length: 1521 m.
-
Diameter: 0,78 m.
-
Full length lining with 0.711 m diameter pipe.
2020 Bergselvi Power Plant - Fortun
-
Length: 1091 m.
-
Diameter: 0,78 m.
2020 Kjerringnes Power Plant - Luster
-
Length: 1483 m.
-
Diameter: 1,2 m.
2020 Ramsliåna Power Plant - Ramsli
-
Length: 691 m.
-
Diameter: 0,78 m
2020 Cavaglio Power Plant, Italy
-
Length: 1600 m.
-
Diameter: 0,78 m
2019 Gudåa Power Plant - Meråker
-
Length 550 m.
-
Diameter 1,2 m
-
Full length lining with 0.914 m diameter steel pipe.
2019 Nottveit Power Plant - Nottveit
-
Length 460 m
-
Diameter 1,2 m
-
The tunnel started with a 5 degrees incline, and ended at 55 degrees.
2017/2018 Grytendal Power Plant – Bindal 21,8 GWh
-
Length 560 m. Height difference 155 m.
-
Diameter 1,5 m.
-
Full length lining with 1,4 m diameter steel pipe.
-
Equivalent to electricity for about 1090 households.
2017 Geitåni Power Plant – Voss 17,3 GWh
-
Length 330 m. Height difference 100 m.
-
Diameter 1,2 m.
-
Full length lining with 0,914 m diameter steel pipe.
2017 Tenneelva Power Plant – Vanylven 10,3 GWh
-
Length 485 m. Height difference 240 m.
-
Diameter 0,74 m.
2016/2017 Børtveit Power Plant – Stord 10 GWh
-
Length 1200 m. Height difference 270 m.
-
Diameter 0,74 m.
-
Full length lining with 0,66 m diameter steel pipe.
2016/2017 Hatlestad Power Plant – Fjærland 15,5 GWh
-
Length 1530 m. Height difference 500 m.
-
Diameter 0,7 m.
-
The tunnel is lined over a distance of 600 m with 0,61 m diameter steel pipe.
2016 Bjåstad Power Plant – Fjærland 16 GWh
-
Length 630 m. Height difference 200 m.
-
Diameter 0,8 m.
-
The tunnel is lined over a distance of 215 m with 0,71 m diameter steel pipe.
2016 Tverrelva Power Plant – Kvinnherad 20 GWh
-
Length 685 m. Height difference 330 m.
-
Diameter 0,74 m.
-
Full length lining with 0,61 m diameter steel pipe.
2015/2016 Storelvi Power Plant – Ullensvang 11,2 GWh
-
Length 745 m. Height difference 385 m.
-
Diameter 0,7 m.
-
Full length lining with 0,61 m diameter steel pipe.
2014/2016 Gjønaelva Power Plant – Fusa 10 GWh
-
Length 620 m. Height difference 113 m.
-
Pilot hole of 0,7 m. Reaming to a diameter of 1,2 m.
-
Equivalent to electricity for about 500 households.
2014/2015 Mølleelva Power Plant – Alta 13,5 GWh
-
Two tunnels with the lengths of 745 and 875 m. Height difference 420 m
-
Diameter 0,74 m.
-
Full length lining with 0,66 m diameter steel pipe.
2015 Selselva Power Plant – Gaular 18 GWh
-
Length 975 m. Height difference 380 m.
-
Diameter 0,7 m.
-
Full length lining with 0,61 m diameter steel pipe.
-
Equivalent to electricity for about 900 households.
2014/2015 Byro Power Plant – Ullensvang 11 GWh
-
Length 800 m. Height difference 340 m.
-
Diameter 0,7 m.
-
The tunnel is lined over a distance of 400 m with 0,61 m diameter steel pipe.
-
Equivalent to electricity for about 750 households.
2014 Kaldåna Power Plant – Suldal 7,4 GWh
-
Length 620 m. Height difference 250 m.
-
Diameter 0,74 m.
-
Lining with 0,61 m diameter steel pipe.
2013 Reinåga Power Plant – Hemnes 12,8 GWh
-
Length 1020 m. Height difference 340 m.
-
Diameter 0,7 m.
-
Full length lining with 0,61 m diameter steel pipe.
-
Equivalent to electricity for about 320 households.
2013 Muoidejohka Power Plant – Beiarn 8,2 GWh
-
Length 530 m. Height difference 270 m.
-
Diameter 0,7 m.
-
The tunnel is lined over full length with 0,61 m diameter steel pipe.
-
Equivalent to electricity for about 910 households.
2012 Eitro Power Plant – Fusa 10,9 GWh
-
Length 730 m. Height difference 420 m.
-
Diameter 0,7 m.
-
The tunnel is fully lined with Ø610mm steel pipe.
-
Equivalent to electricity for about 545 households.
2011 Kvangreelva Power Plant – Flora 5,5 GWh
-
Length 680 m. Height difference 232 m.
-
Diameter 0,7 m.
-
The tunnel is lined over a distance of 320 m with 0,61 m diameter steel pipe.
-
Equivalent to power for about 490 households.
2010 Vågaåna Power Plant – Vindafjord 9,3 GWh
-
Two tunnels with the lengths of 170 and 730 m. Total height difference 420 m.
-
Diameter 0,7 m.
-
The lower tunnel is lined over full length with 0,61 m diameter steel pipe.
-
The upper tunnel is lined over a distance at the bottom of about 450 m with 0,61 m diameter steel pipe.
2009 Hommafossen Power Plant – Lund 3,1 GWh
-
Two tunnels with the lengths of 70 and 220 m. Total height difference 154 m.
-
Diameter 0,7 m.