CATCHMENT AREA · Rogaland
Ulla
4Plants in Catchment
-5Total Capacity
-16Annual Production
2Owner
✦ AI-GENERATED DESCRIPTION
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Hydrological Profile · HydAPI
394.076km² Catchment Area
56.95km River Length
24m/km Slope (10–85%)
16–1600m.a.s.l. Range
1081.89mill. m³/yr Runoff
86.97l/s/km² Specific Discharge
12Reservoirs
1981First Regulated
21m.a.s.l. Station
regulert m/magasin og uregulert restfeltRegulation Type
STATKRAFT SFStation Owner
Land Use in Catchment
7.09%Forest
43.86%Mountain
11.93%Lake
0.61%Bog
0.14%Agriculture
Elevation Profile (Hypsographic)
16Min (m)
63010% (m)
89530% (m)
110150% (m)
119370% (m)
126690% (m)
1600Max (m)
Reservoir & Transfer
1153.27Mm³ Total Volume
35.35km² Reservoir Area
1.07Regulation Part
23.7km² Transfer In
352.28km² Transfer Out
Extreme Discharge (return periods)
79.8146Mean (m³/s)
98.766Q5 (m³/s)
114.409Q10 (m³/s)
129.5088Q20 (m³/s)
149.1929Q50 (m³/s)
Extreme Water Level (return periods)
1.2241Mean (m)
1.3809H5 (m)
1.495H10 (m)
1.5949H20 (m)
1.7136H50 (m)
Based on 19 years of data (2003–2024)
All Plants (4)
PlantMWGWh/yrOwnerSince
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