World Power Plants

Unteraa (Lungerersee)54 MW Hydroelectric

HydroRenewable

Unteraa (Lungerersee) is a 54 MW hydro power plant in Switzerland, commissioned in 1921. Ranked #43 of 162 hydro plants in Switzerland, it represents 0.55% of the country's total hydro capacity of 9,831 MW. The largest hydro plant in Switzerland is Bieudron at 1,285 MW, making Unteraa 23.8 times smaller. Nearby plants include Grimsel 2 (348 MW, Hydro), Bavona (140 MW, Hydro), and Handeck 1 (100 MW, Hydro). The plant is located in the canton of Obwalden, approximately 30 km from Lucerne.

Capacity
54 MW
Commissioning Year
1921

105 years old

Owner
Energie Wasser Bern
Location
46.8333°, 8.1806°

Switzerland, Europe

Context & rankings
  • 47. largest of 168 plants in Switzerland
  • #12,787 worldwide by installed capacity
  • #3,082 of 8,493 Hydroelectric plants worldwide
  • 0.41% of the installed capacity of Switzerland
Age & fleet comparison

105 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Energie Wasser Bern operates 9 plants totalling 299 MW

Regional density

156 plants within 100 km, 13,121 MW combined

Nearest plant: Hackeren (10.5 km)

Data provenance

Location

Coordinates:: 46.833300, 8.180600
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Carbon Footprint

Zero Direct Emissions

Unteraa (Lungerersee) is a hydro power plant producing approximately 189 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
Switzerland
Continent
Europe
Data Source
Global Power Plant Database

SwitzerlandEnergy Profile

168
Total Plants
13.3 GW
Total Capacity
HydroNuclearSolar
Top Fuels

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