World Power Plants

Salto Grande Dam1,890 MW Hydroelectric

HydroRenewableVerified: Feb 2026

The Salto Grande Dam is a significant hydroelectric power generation facility located in Argentina, known for its substantial capacity of 1,890 MW. Commissioned in 1974, this dam harnesses the power of the river to produce electricity, playing a crucial role in the country's energy mix. The hydroelectric technology utilized at Salto Grande allows for efficient energy generation while also contributing to the management of water resources in the region. Located at coordinates -31.2749, -57.9386, the Salto Grande Dam is strategically important not only for Argentina but also serves neighboring countries, enhancing regional energy cooperation. The facility provides a reliable source of baseload power, making it an essential component of the national grid, especially in times of high electricity demand. The operational context of this hydroelectric power plant is influenced by Argentina's energy policies, which increasingly emphasize the importance of renewable energy sources in order to diversify the energy portfolio and reduce reliance on fossil fuels. The Salto Grande Dam exemplifies the benefits of hydroelectric generation, including low operational costs and minimal environmental impact, positioning it as a key player in Argentina's energy future.

Capacity
1,890 MW

1.89 GW

Commissioning Year
1974

52 years old

Owner
Salto Grande Binational Commission
Location
-31.2749°, -57.9386°

Argentina, South America

Context & rankings
  • 5. largest of 368 plants in Argentina
  • #932 worldwide by installed capacity
  • #121 of 8,493 Hydroelectric plants worldwide
  • 2.69% of the installed capacity of Argentina
Age & fleet comparison

52 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Salto Grande Binational Commission operates 1 plants totalling 1,890 MW

Regional density

5 plants within 100 km, 1,071 MW combined

Nearest plant: EL NARANJAL (7.3 km)

Data provenance

Source: Wikidata

Location

Coordinates:: -31.274867, -57.938592
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Carbon Footprint

Zero Direct Emissions

Salto Grande Dam is a hydro power plant producing approximately 6623 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

Salto Grande Dam: A Key Hydro Power Facility in Argentina

The Salto Grande Dam, located on the Uruguay River between Argentina and Uruguay, is a significant hydroelectric power plant commissioned in 1974. With a total installed capacity of 1,890 megawatts (MW), it serves as a cornerstone of Argentina's energy sector, contributing substantially to the country's electricity supply and stability. The facility plays a dual role in energy generation and flood control, providing essential services to the surrounding regions.

As a hydroelectric power plant, Salto Grande utilizes the potential energy of water to produce electricity. Water from the Uruguay River is channeled through the dam, where it passes through turbines that convert the kinetic energy of flowing water into electrical energy. The operation of the dam is predicated on the principles of hydrodynamics, relying on the gravitational pull of water to generate power efficiently. The renewable nature of hydroelectric energy makes Salto Grande a vital part of Argentina's strategy to reduce reliance on fossil fuels and lower greenhouse gas emissions, aligning with global sustainability goals.

The environmental impact of the Salto Grande Dam has been a subject of study and debate since its inception. While it provides a clean source of energy and helps mitigate carbon emissions, the construction of the dam also led to significant ecological changes in the region. The inundation of land for the reservoir altered local ecosystems and displaced communities, raising concerns about biodiversity loss and the social implications of such large-scale projects. Ongoing assessments and management strategies aim to address these challenges, balancing energy production with environmental stewardship.

Regionally, the Salto Grande Dam holds strategic importance not just for Argentina but also for Uruguay, as it operates as a shared resource between the two nations. The dam facilitates cross-border electricity trade, allowing both countries to optimize their energy resources and manage supply effectively. This collaboration enhances energy security and fosters economic ties between Argentina and Uruguay. Additionally, the dam plays a crucial role in regional flood control, helping to manage water levels in the Uruguay River and minimizing the risk of flooding in adjacent areas.

In conclusion, the Salto Grande Dam stands as a pivotal asset in Argentina's energy landscape. With its substantial hydroelectric capacity, it supports the country's commitment to renewable energy while simultaneously serving as a crucial tool for regional cooperation and environmental management. As the world moves towards a more sustainable energy future, the importance of such infrastructure will continue to grow, highlighting the need for responsible management and innovative solutions in the energy sector.

ArgentinaEnergy Profile

368
Total Plants
70.2 GW
Total Capacity
HydroGasCoalNuclear
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