World Power Plants

Barra Grande Hydroelectric Power Plant690 MW Hydroelectric

HydroRenewableVerified: Feb 2026

Barra Grande Hydroelectric Power Plant is a major player in Brazil's energy sector, generating a substantial 690 MW of electricity. This hydroelectric facility, located at coordinates -27.7767, -51.1897, capitalizes on the natural flow of water to produce renewable energy, contributing significantly to Brazil's diverse energy mix. As one of the largest hydroelectric plants in the region, Barra Grande supports the national grid, ensuring a reliable supply of electricity to meet the needs of both urban and rural areas. The technology used in this power plant involves the construction of a dam that harnesses the energy of flowing water, which is then transformed into electrical energy through turbines. This method not only provides a sustainable energy source but also plays a role in flood control and irrigation, enhancing its importance to the local ecosystem and economy. As Brazil continues to invest in renewable energy infrastructure, Barra Grande serves as a model for sustainable energy generation. The facility aligns with government policies aimed at increasing the share of renewables in the energy mix, reducing reliance on fossil fuels, and promoting energy independence. Its significant capacity allows Barra Grande to play a crucial role in stabilizing the electricity supply, particularly during periods of high demand, making it a vital asset in Brazil’s ongoing energy transition.

Capacity
690 MW
Commissioning Year
2004

22 years old

Owner
Furnas Centrais Elétricas S.A.
Location
-27.7767°, -51.1897°

Brazil, South America

Context & rankings
  • 72. largest of 2,402 plants in Brazil
  • #3,522 worldwide by installed capacity
  • #564 of 8,493 Hydroelectric plants worldwide
  • 0.28% of the installed capacity of Brazil
Age & fleet comparison

22 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Furnas Centrais Elétricas S.A. operates 7 plants totalling 6,624 MW

Regional density

27 plants within 100 km, 4,275 MW combined

Nearest plant: Moinho (12.3 km)

Data provenance

Source: Wikidata

Location

Coordinates:: -27.776667, -51.189722
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Carbon Footprint

Zero Direct Emissions

Barra Grande Hydroelectric Power Plant is a hydro power plant producing approximately 2418 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
Brazil
Continent
South America
Data Source
Global Power Plant Database

Barra Grande Hydroelectric Power Plant: A Key Component of Brazil's Renewable Energy Landscape

The Barra Grande Hydroelectric Power Plant, with a capacity of 690 megawatts (MW), is situated in Brazil and plays a significant role in the country's energy sector. As one of the largest hydroelectric power stations in Brazil, it harnesses the kinetic energy of flowing water to generate electricity, utilizing the abundant water resources available in the region. Hydropower is a crucial aspect of Brazil's energy matrix, contributing to a substantial portion of the national electricity supply. The Barra Grande facility is particularly important in this regard, as it supports Brazil's commitment to renewable energy and sustainability.

The hydroelectric power generated at Barra Grande is derived from the natural flow of the Rio Grande, where the plant is strategically located. The technology employed in the facility includes large turbines and generators that convert the mechanical energy of moving water into electrical energy. The hydroelectric process is characterized by its efficiency and low operational costs once the infrastructure is in place, making it an attractive option for energy production. The plant operates by utilizing the gravitational potential energy of water stored in a reservoir, which is released through turbines to generate electricity. This method of energy production is renewable, as it relies on the natural water cycle, and produces minimal greenhouse gas emissions compared to fossil fuel-based power generation.

Despite the advantages of hydroelectric power, the environmental impact of such projects must be considered. The construction of the Barra Grande Hydroelectric Power Plant involved the creation of a reservoir, which can lead to the displacement of local communities and wildlife habitats. The flooding of land for the reservoir can cause significant ecological changes, affecting both terrestrial and aquatic ecosystems. However, the Brazilian government and the plant's operators have taken measures to mitigate these impacts, including environmental monitoring and rehabilitation programs aimed at preserving biodiversity in the region.

Regionally, the Barra Grande Hydroelectric Power Plant serves as a vital source of electricity for the surrounding areas, contributing to local economies and development. It helps stabilize the energy grid, particularly during periods of high demand, and provides a reliable source of power to both urban and rural communities. The plant also plays a role in fostering energy independence for Brazil, reducing reliance on fossil fuels and enhancing energy security. Overall, the Barra Grande Hydroelectric Power Plant exemplifies the potential of hydroelectric power in Brazil's renewable energy landscape while balancing the need for economic growth and environmental stewardship.

BrazilEnergy Profile

2,402
Total Plants
250.4 GW
Total Capacity
HydroGasBiomassWind
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