World Power Plants

Castasegna is a 100 MW hydroelectric power plant in Switzerland, commissioned in 1959. It is one of 162 hydro plants in the country, contributing to the national grid. Ranked #26 of 162 hydro plants in Switzerland, Castasegna represents 1.02% of the total hydro capacity of 9,831 MW. The largest hydro plant in Switzerland is Bieudron at 1,285 MW, making Castasegna 12.85 times smaller. Nearby plants include VENINA (327.1 MW, Hydro), LANZADA (188 MW, Hydro), and MESE (164.34 MW, Hydro). The facility is located in the Grisons region, approximately 30 km from the nearest major city, St. Moritz.

Capacity
100 MW
Commissioning Year
1959

67 years old

Owner
Axpo
Location
46.3339°, 9.5179°

Switzerland, Europe

Context & rankings
  • 30. largest of 168 plants in Switzerland
  • #10,042 worldwide by installed capacity
  • #2,293 of 8,493 Hydroelectric plants worldwide
  • 0.75% of the installed capacity of Switzerland
Age & fleet comparison

67 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Axpo operates 3 plants totalling 285 MW

Regional density

117 plants within 100 km, 16,232 MW combined

Nearest plant: CHIAVENNA (9.6 km)

Data provenance

Location

Coordinates:: 46.333900, 9.517900
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Carbon Footprint

Zero Direct Emissions

Castasegna is a hydro power plant producing approximately 350 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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