Norway · Ulla-Førre system
Blåsjø
Hydropower · seasonal energy storage
Live reservoir intelligenceNorway
59.3500, 6.9000Current conditions
Loading official and satellite reservoir feeds…Inflow · Operating state · Outflow
Inflow
Operating state
Outflow
Capacity
Global Dam Watch · reviewed join
3: FairDam and catchment reference
Dam / barrierStorvatn
Completed1987
Dam height90 m
Dam length1,400 m
Reference capacity2,325 mil. m³
Reference surface55.61 km²
Catchment182 km²
Elevation1,046 m a.s.l.
Long-term mean flow9.45 m³/s
Reference main useHydroelectricity
The mean flow is a WaterGAP/HydroSHEDS 1971-2000 model reference from Global Dam Watch, not today's inflow or release. Blank fields remain unfilled where no reviewed dam match exists.
Sources
Field-level provenanceGlobal Dam Watch - barrier 1309
Dam dimensions, reservoir area and capacity, catchment, elevation, completion year and long-term mean river discharge.
Quality fair. Discharge is the modelled 1971-2000 mean, not a current operator reading. Field definitions: https://jeodpp.jrc.ec.europa.eu/ftp/public/JRC-OpenData/GDW/GDW_TechDoc_v1_delta.pdfGlobal Water Watch
Satellite-observed surface-water area for Global Water Watch reservoir 88072.
Surface area is not stored volume, fill percentage, gate state or dam safety.