World Power Plants

El Nihuil Dam72 MW Hydroelectric

HydroRenewableVerified: Feb 2026

El Nihuil Dam is a 72 MW hydroelectric power plant in Argentina. Ranked #46 of 111 hydro plants in Argentina, it represents 0.24% of the country's total hydro capacity of 30,334 MW. The largest hydro facility in Argentina is Corpus Christi Dam at 3,800 MW, making El Nihuil 52.8 times smaller. Nearby plants include LOS REYUNOS (224 MW, Hydro) and Central Hidroeléctrica Los Reyunos (224 MW, Hydro). The facility is located in Mendoza Province, approximately 150 km south of San Juan.

Capacity
72 MW
Commissioning Year
2004

22 years old

Owner
Energía del Sur
Location
-35.0267°, -68.6790°

Argentina, South America

Context & rankings
  • 127. largest of 368 plants in Argentina
  • #11,613 worldwide by installed capacity
  • #2,721 of 8,493 Hydroelectric plants worldwide
  • 0.1% of the installed capacity of Argentina
Age & fleet comparison

22 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Energía del Sur operates 12 plants totalling 1,388 MW

Regional density

15 plants within 100 km, 1,390 MW combined

Nearest plant: NIHUIL I (6.4 km)

Data provenance

Source: Wikidata

Location

Coordinates:: -35.026706, -68.678992
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Carbon Footprint

Zero Direct Emissions

El Nihuil Dam is a hydro power plant producing approximately 252 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
Argentina
Continent
South America
Data Source
Global Power Plant Database

ArgentinaEnergy Profile

368
Total Plants
70.2 GW
Total Capacity
HydroGasCoalNuclear
Top Fuels

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