Project Layout

The main diversion for the powerplant comes from a dam in the river Skjálfandafljót, just west of Mt. Steinfell. The reservoir is located near Fljótshagi and is therefore called Fljótshagalón. A dam is located at the confluence of the rivers Stóruflæða and Jökulfjall and makes up the reservoir Stóruflæðulón. Water from the main reservoir is channeled through a tunnel to the north-east and through an outlet near Ytri-Múli. The rivers Öxnadalsá and Hrauná will be diverted to the headrace tunnel. The powerhouse will be located underground in Ytri-Múli.

The main reservoir area has a quite deflated landscape, formed by glacier erosion. In the lower part of the area the river has thrust its way down through the bedrock and falls 250 to 300 m in a relatively short section. The area is mostly barren. The river Skjálfandafljót will be diverted from its original channel for a distance of about 30 km and in that section the river Kiðagilsdrög unites with Skjálfandafljót. The best known vegetated land in this area, Laufarönd, is far from the affected area.

Key Figures

Drainage area (km²)
Spillway elevation (m)
Main reservoir area (km2)
Usable storage capacity (Gl)
Headrace tunnel (km)
Harnessed discharge (m3/s)
Gross head (m)
Energy production capacity (GWh p.a.)
Installed power capacity (MW)

Project Status

Fljótshnjúkir Project Status
Flokkun í  drögum að þingsályktunartillögu um rammaáætlun: Biðflokkur
Installed power capacity MW: 58
Energy production capacity (GWh/yr.): 405
Status: Pre-feasibility
Environmental Impact Assessment: Not started 
Municipal zoning plan: Not started 
Construction license: Not been applied for
Power project license: Not been applied for
First possible start-up: Year 2022



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Map of the area

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