Table 1. Data on two Swedish hydroelectric power systems

Horns is a run-of-river plant located in southern Sweden, whereas Lulelven is the most extensively exploited river, containing multi-annual reservoirs as well as river impoundments and located between the mountains and the Baltic Sea in northernmost Sweden

System Annual average energy production (GWh) Land appropriation (km2)
Hornso 10 0.15
Lulealven 13,600 328