The energy injected into the grid by MMGD (micro and mini distributed generation) reached 55,3 TWh in 2025, a growth of 41,8% compared to the 39,1 TWh recorded in 2024.
In absolute terms, the increase was 16,2 TWh, according to data from the 2026 edition of the panel. Distribution Market, made available by EPE (Energy Research Company).
The increase maintains MMGD's expansion trajectory. In 2021, the injected volume was 9,1 TWh. Four years later, that amount was approximately six times greater.
The numbers help explain the increase in generation cuts at centralized power plants, adopted to maintain the balance of the electrical system during periods of high distributed generation production.
The residential sector accounted for the largest share of energy injected in 2025, with 23,6 TWh, or 42,7% of the total. This was followed by the commercial sector, with 19,5 TWh, and the rural sector, with 6 TWh. Compared to 2024, injection grew by 44,1% among residential consumers and 43,4% among commercial consumers.
The Southeast region concentrated the largest regional volume, with 19,4 TWh. The Northeast and South regions registered 12,7 TWh and 10,1 TWh, respectively. Although it presented the largest volume, the Southeast had the lowest growth rate among the regions, at 37,7%. In the Central-West region, the increase reached 50,1%.
The expansion of MMGD occurred in a year of relative stability in energy consumption in the distribution market. The indicator increased from 513,4 TWh in 2024 to 516,4 TWh in 2025, a rise of 0,6%.
Free market gains market share in consumption.
The free market also increased its share of energy consumption. In 2025, free consumers accounted for 206,2 TWh, equivalent to 39,9% of the total recorded in the distribution market. In 2024, this share was 37,4%.
While consumption by free market customers grew 7,5% in one year, that of captive consumers fell 3,5%, to 310,2 TWh.
For 2026, EPE projects that the energy injected by MMGD will reach 65,3 TWh, an increase of 18% over 2025. If the estimate is confirmed, this will represent approximately 10 additional TWh in one year. The share of free consumers in total consumption should also increase, reaching 41,2%.
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