The year 2025 is on track to be one of the most productive in the history of wind power generation in Brazil, driven by exceptional atmospheric conditions. Data from the ONS (National System Operator) shows that the share of wind energy more than doubled in 20 months, rising from 10% in February 2024 to 22% in October 2025.
According to meteorologist Paulo Lombardi, from the consulting firm Tempo OK, the result is due to the persistence of anomalous high-pressure systems over the Atlantic Ocean, which intensified the trade winds in the Northeast.
“This condition caused the winds to gain more strength not only in the traditionally favorable months, but also in atypical periods, such as February and May, which increased the productivity of the turbines,” explains Lombardi.
According to him, the increase in generation is not only due to the expansion of installed capacity, which rose from 29.550 MW in 2024 to 34.253 MW in 2025, but also to the real gain in operational efficiency of the parks, sustained by consistent performance throughout the year.
Wind power gains prominence.
In 2025, wind energy showed impressive results even outside the traditional "wind season." In April, it accounted for 14% of the total load, almost double the amount recorded in the same month of 2024. In July, even with a drop in electricity demand, the source's share increased to 21%, reinforcing its importance for the balance of the system.
With reduced rainfall during the dry season, especially in the Southeast, Midwest, and parts of the Northeast, wind power has helped to offset lower hydroelectric generation and reduce the use of thermal power plants, which are more expensive and polluting.
Currently, Brazil ranks eighth among the world's largest producers of wind energy, with the Northeast region standing out. According to the National Energy Plan (PNE), the installed capacity of the National Interconnected System (SIN) should reach 268 GW by 2029, with growth concentrated in renewable sources.
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