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Hydropower

references

2023 Kroka 2 Power Plant - Mauranger

  • Length:  1083 m. Height difference 480 m.

  • Diameter: 0.78 m.

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2023 Ervikselva Power Plant - Sunnfjord

  • Length:  1659 m. Height difference 136 m.

  • Diameter: 1.2 m.

 

2022 Tokheim Power Plant - Ullensvang

  • Length:  1120 m. Height difference 412 m.

  • Diameter: 0.7 m.

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2022 Mordøla Power Plant - Luster

  • Length:  748 m. Height difference 348 m.

  • Diameter: 1.2 m.

  • The tunnel is lined over a distance of 350 m with 0.914 m diameter steel pipe.

 

2022 Einungstøl Power Plant - Røldal

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2022 Mjølsvik Power Plant - Høyanger

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2022 Eikemo Power Plant - Vaksdal

 

2022 Ala Power Plant - Valdres

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2022 Tverrelvi Power Plant - Voss

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2021 Kvernhus Power Plant - Instefjord

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2021 Trollfjord  Power Plant - Vågan

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2021 Risvoll Power Plant - Sauda

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2021 Kupe Power Plant - Sunnfjord

  • Length: 827 m.

  • Diameter: 0.78 m.

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2021 Stampaelva Power Plant - Jondal

  • Length: 1521 m.

  • Diameter: 0.78 m.

  • Full length lining with 0.711 m diameter pipe.

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2020 Bergselvi Power Plant - Fortun

  • Length: 1091 m.

  • Diameter: 0.78 m.

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2020 Kjerringnes Power Plant - Luster

  • Length: 1483 m.

  • Diameter: 1.2 m.

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2020 Ramsliåna Power Plant - Ramsli

  • Length: 691 m. 

  • Diameter: 0.78 m

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2020 Cavaglio Power Plant, Italy

  • Length: 1600 m. 

  • Diameter: 0.78 m

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2019 Gudåa Power Plant - Meråker 

  • Length 550 m. 

  • Diameter 1.2 m

  • Full length lining with 0.914 m diameter steel pipe.

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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.

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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.

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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.

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2017 Tenneelva Power Plant – Vanylven 10,3 GWh

  • Length 485 m. Height difference 240 m.

  • Diameter 0.74 m.​

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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.

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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.

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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.

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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.

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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.

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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.​

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

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