World Power Plants

Central Hidroeléctrica Los Reyunos224 MW Hydroelectric

HydroRenewableVerified: Feb 2026

Central Hidroeléctrica Los Reyunos shares the 76th rank with Los Reyunos Dam in Argentina's extensive power generation landscape, contributing an impressive 224 MW to the national grid. This hydro facility also represents about 0.32% of Argentina's total energy capacity of 70,213 MW, placing it firmly within the nation’s renewable energy initiatives. As the 26th largest hydroelectric plant out of 111 in the country, it highlights Argentina's commitment to harnessing its abundant water resources. Utilizing state-of-the-art hydroelectric technology, Central Hidroeléctrica Los Reyunos converts flowing water into electricity, which is a clean and renewable source of energy. Nestled in the Mendoza province, this facility is part of a robust energy cluster that includes several nearby hydro plants such as the identical capacity Los Reyunos Dam and Agua del Toro, which generates 150 MW. Notably, this region is home to additional plants like Nihuil 2 Power Plant (139.2 MW) and NIHUIL II (133.12 MW), all of which create a synergistic energy network that bolsters grid reliability and meets local energy needs. In the context of Argentina’s energy profile, where hydroelectric power dominates, Central Hidroeléctrica Los Reyunos plays a pivotal role in supporting a diverse energy mix among 368 plants nationwide. Operated by Pampa Energía, this facility has been integral to the energy landscape since its commissioning, and its significant output underpins both economic growth and environmental initiatives in the region. As Argentina continues to pursue its renewable energy goals, the role of hydroelectric power plants like Central Hidroeléctrica Los Reyunos is expected to expand, reinforcing the importance of sustainable energy solutions for future generations.

Capacity
224 MW
Commissioning Year
1999

27 years old

Owner
Pampa Energía
Location
-34.6030°, -68.6384°

Argentina, South America

Context & rankings
  • 76. largest of 368 plants in Argentina
  • #7,040 worldwide by installed capacity
  • #1,358 of 8,493 Hydroelectric plants worldwide
  • 0.32% of the installed capacity of Argentina
Age & fleet comparison

27 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Pampa Energía operates 8 plants totalling 4,557 MW

Regional density

15 plants within 100 km, 1,238 MW combined

Nearest plant: Dique El Tigre (2.4 km)

Data provenance

Location

Coordinates:: -34.602965, -68.638358
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Carbon Footprint

Zero Direct Emissions

Central Hidroeléctrica Los Reyunos is a hydro power plant producing approximately 785 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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