Solar energy
In December 2025, Electric Energy Trading Chamber (CCEE) released preliminary data confirming a record advance da photovoltaic generation In Brazil. In first half of the month, the production of solar energy the number of power plants connected to the National Interconnected System (SIN) has grown 13,9%, reaching 4.635 average megawatts (MWmed), in front of the 4.070 MWmed recorded in the same period of 2024.
The significant growth of solar power is occurring even in a scenario of decline in total system generation.This reinforces the strategic role of photovoltaic energy in the Brazilian electricity matrix. The performance is attracting the attention of the market, investors, and policymakers, indicating a structural change in the composition of the country’s energy supply.
According to the analysis of the CCEE, photovoltaic generation It was the main positive highlight of the electricity grid in the first half of December. The record-breaking growth of solar energy contrasts sharply with the performance of other energy sources., which showed a decline during the same period.
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This result reflects the continued expansion of installed capacity of centralized solar power plants, as well as the technological maturation of the sector. Solar energy has shown greater operational predictability., which contributes to its growing relevance in meeting the load of the SIN (National Interconnected System).
Furthermore, the increase in photovoltaic production reinforces the diversification of the electricity matrix, reducing dependence on sources that are more sensitive to climate variations, such as hydroelectric and wind power.
While the photovoltaic generation While it registered consistent growth, other sources showed different behaviors. Thermal power plants had high of 31,2%, indicating a greater need for dispatch to ensure the safety of the electrical system.
On the other hand, hydroelectric power generation declined. 4,6%, while wind power showed a decrease of 5,3% in the same fortnight. This scenario highlights the importance of the record-breaking advance in solar energy., which acts as a balancing factor during periods of lower water and wind power contributions.
According to CCEEThe complementarity between energy sources is increasingly essential to maintain the stability of the system, especially in the face of climate change and increased demand at certain times of the year.
Even with the positive performance of solar energy, the total generation of the National Interconnected System amounted to 74.578 average MW in the first half of December. The volume represents a 1,6% drop compared to the same period of the previous year.
This data reinforces the fact that the record growth in photovoltaic generation is already having a significant impact.However, this is still not enough to fully offset the decline in historically more important energy sources, such as hydroelectric power.
Nevertheless, the trend observed by CCEE This indicates that the share of solar energy in total generation is growing consistently, gradually reducing the volatility of the Brazilian electrical system.
The analysis of CCEE It also points to a drop in electricity consumption in the SIN (National Interconnected System) during the first half of December. The decline was… 1,0%considering that the data is still impacted by incomplete measurements.
No Free Contracting Environment (ACL)consumption showed a significant drop of 6,9%, while the Regulated Procurement Environment (ACR) recorded growth of 3,3%. This behavior reveals changes in consumption patterns., especially among large industrial consumers.
The expansion of solar energyThis, including distributed generation, also influences these numbers by reducing net demand on the centralized system, altering the traditional dynamics of electricity consumption.
Regional data from CCEE Studies show that consumption and generation behavior varied significantly between states. Amapá (15,7%), Pará (7,9%) e Acre (7,6%)All those in the Northern region recorded the highest increases.
At the other end, Bahia (-11,1%), Tocantins (-10,6%) e Rondônia (-8,0%) They experienced the most pronounced declines. These differences reflect economic, climatic, and structural factors.in addition to the uneven pace of expansion of photovoltaic generation in the various regions of the country.
The advance of solar energy These asymmetries tend to decrease over time, especially with new investments in infrastructure and transmission.
In the evaluation by branches of activity, the CCEE This indicates that the general trend of declining consumption remains. The sectors of telecommunications (-22,3%), services (-16,6%) e chemicals (-14,4%) They recorded the biggest declines in the first half of December.
In the opposite direction, the segment of extraction of metallic minerals It was the only one to show growth, with high of 8,4%CCEE emphasizes that These data are still heavily impacted by incomplete measurements.which calls for caution in the analysis.
Even in this scenario, the performance of photovoltaic generation It remains robust, reinforcing the resilience of solar energy in the face of the cyclical fluctuations of the economy.
the growth of 13,9% of photovoltaic generation in the first half of December it becomes clear that the solar energy It has reached a new level in Brazil. The record increase observed by CCEE is not an isolated event.but it’s part of a long-term structural trend.
Solar energy combines economic competitiveness, operational predictability, and environmental benefits, making it increasingly central to the country’s energy strategy. Even in a context of contraction in total generation and consumption.Solar energy continues to advance.
The data of CCEE They emphasize that photovoltaic generation It already plays a decisive role in balancing the electricity system and in building a more diversified, secure, and sustainable energy matrix for the coming years.
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