Brazil — A Leader in Renewable Energy Production and Use

Brazil has long stood at the crossroads of abundant natural resources and bold energy policy-making. Through a dynamic blend of hydro-power, bio-fuels, and rapidly expanding wind and solar infrastructure, the country has positioned itself as a global reference point in the pursuit of clean, reliable, and equitable energy.

At the heart of Brazil’s electricity matrix lies hydro-power, a resource harnessed with impressive scale and efficiency. With over 649 hydroelectric plants supplying more than 65 percent of the nation’s electricity, Brazil has not only capitalized on its topography and rainfall but also built a stable foundation for its grid. Even in the face of climate variability, which has occasionally stressed water reservoirs, the hydropower sector continues to offer steady baseload capacity while enabling further renewable diversification.

One of Brazil’s earliest and most ambitious forays into renewable energy came through the Proálcool program, launched in 1975. Responding to the global oil crisis, the government sought to reduce its reliance on imported petroleum by investing in ethanol derived from sugarcane. Initially deployed as a gasoline additive, ethanol quickly became a primary fuel source with the rise of hydrous ethanol-compatible vehicles. Despite early controversy, including environmental concerns and the heavy use of diesel in harvesting, the program evolved, and today Brazil boasts the world’s largest fleet of flex-fuel vehicles. Ethanol now powers nearly half of all passenger vehicles, and second-generation technologies, which utilize sugarcane waste, have improved the environmental profile of biofuels dramatically.

In recent years, Brazil has experienced a surge in solar and wind adoption that further cements its leadership. Between 2016 and 2023, these sources grew from under 6 percent to over 21 percent of the national electricity supply. In 2023 alone, solar generation expanded by 72 percent, surpassing the G20 average and contributing more than 9 percent of Brazil’s electricity, a feat second only to China in year-over-year growth.

However, with intermittent sources like solar and wind comes the challenge of energy storage and grid stability. Brazil has begun laying the groundwork to address these concerns with the upcoming release of national energy storage regulations. Curtailment of renewable energy, especially in wind-heavy northeastern states, has already cost billions in lost potential. To mitigate this, Brazil is exploring a multifaceted approach that includes battery energy storage systems, pumped hydro solutions, and emerging technologies like flow batteries.

Among these, flow batteries stand out as particularly well-suited to Brazil’s solar-heavy profile. Using liquid electrolytes stored externally, these systems allow energy capacity to scale independently from power output. Their long cycle life and non-flammable design make them ideal for rural and distributed solar networks, where multi-hour storage and safety are paramount. With upcoming auctions and new policy frameworks, Brazil may soon see flow batteries move from pilot projects to vital infrastructure components.

Compared to its G20 peers, Brazil leads the pack with 89 percent of its electricity sourced from renewables. Government initiatives such as the PROCONVE L8 emissions law demonstrate a strong policy commitment to low-carbon mobility, while aggressive energy efficiency goals and phased reductions in fossil fuel subsidies reflect a broader vision of sustainability and economic resilience.

Brazil’s greatest strength lies in its integrated approach. Hydropower ensures stability. Biofuels decarbonize transport. Wind and solar offer scalability. Emerging storage technologies promise to unify this diverse portfolio into a cohesive, future-proof grid. As other nations wrestle with fossil fuel dependence and hesitant transitions, Brazil provides a living case study of how pragmatic innovation and strategic planning can reshape a country’s energy destiny.