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Âmbar Energy Advances in Acre by Acquiring Thermal Power Plants from Rovema Energy, Expanding Its Presence in the Electric Sector and Strengthening Thermal Generation in a Strategic Market for the Country
On October 27, 2025, Âmbar Energy announced the purchase of three thermal power plants from Rovema Energy in Acre, revealing a strategic move that could redefine the future of thermal generation in Brazil. According to a report released by Agência Eixos, the operation marks the company’s entry into the state and strengthens its presence in the national electric sector.
Billion-Dollar Acquisition by Âmbar Energy in Acre
Âmbar Energy officially purchased the plants UTE Cruzeiro do Sul (52.8 MW), UTE Feijó (7.2 MW), and UTE Tarauacá (9.4 MW), all located in Acre and previously operated by Rovema Energy.
Together, these thermal plants have a total installed capacity of 69.4 megawatts, enough to supply around 30,000 consumer units, representing approximately 20% of the electric connections in the state.
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All the plants use fuel oil as the primary source, reinforcing the thermal matrix of the North region. The transaction is still pending approval from regulatory agencies but already signals a significant change in the Brazilian energy landscape.
Âmbar Energy Expands Its Presence in the Electric Sector
Âmbar Energy, belonging to the J&F group, owned by the Batista brothers, has intensified its operations in the electric sector in 2025. With the acquisition of the thermal plants in Acre, the company now operates in 11 federative units, consolidating its position as one of the main private generators in the country.
According to Marcelo Zanatta, president of Âmbar, the plants in Acre are crucial for ensuring energy security and continuous supply to local communities. The statement reinforces the company’s commitment to supply stability, especially in regions with limited infrastructure.
In addition to the units acquired from Rovema Energy, Âmbar also recently completed the purchase of the Goiânia II plant (145 MW) and four small hydroelectric plants from Cemig in Minas Gerais, totaling 14.8 MW. With this, the company reached 4.1 gigawatts of generation capacity, increasing its relevance in the electric sector.
Thermal Power Plants in Acre: Strategic Role and Challenges
The acquisition of thermal plants from Rovema Energy in Acre raises important discussions about the role of thermal generation in Brazil. Although the use of fuel oil is less sustainable, the reliability of thermal plants is essential in regions with low interconnection to the National Interconnected System (SIN).
The state of Acre, for example, faces logistical challenges and infrastructure limitations that hinder access to renewable sources. In this context, thermal plants ensure continuous supply and energy stability, especially in municipalities such as Cruzeiro do Sul, Feijó, and Tarauacá.
The presence of Âmbar Energy could represent an opportunity for modernization of the units, with investments in efficiency and reduction of environmental impacts. The company has already signaled interest in integrating these operations into its national portfolio, promoting operational synergies.
Rovema Energy and the Transition of Assets
Rovema Energy, responsible for operating the thermal plants until now, has played a significant role in maintaining energy supply in Acre. The sale of the assets to Âmbar represents a strategic transition that could benefit the electric sector as a whole.
With the entry of a group with greater investment and management capacity, it is expected that the plants undergo technological upgrades and integration with other operations of Âmbar.
This could result in greater operational efficiency and lower generation costs, benefiting consumers and the system as a whole. Additionally, the transaction reinforces the trend of consolidation in the electric sector, with large groups acquiring regional assets to expand their presence and competitiveness.
The Future of Thermal Generation in Brazil
The movement of Âmbar Energy in 2025 reflects a trend of expansion and consolidation in the Brazilian electric sector, especially in the thermal generation segment. In an energy transition scenario, where renewable sources gain ground, thermal generation still plays a crucial role in the security of the system.
Although the focus is on expanding sources such as solar and wind, the complementarity of thermal plants is indispensable in times of low renewable generation.
Âmbar’s entry into Acre may also stimulate new investments in the North region, traditionally underserved by major energy groups. With this, the quality of supply is expected to improve, boosting local development and strengthening energy infrastructure.
Âmbar Energy and the Diversification of the Electric Matrix
Âmbar Energy’s strategy goes beyond acquiring thermal plants. The company has invested in different generation sources, including hydroelectric, biomass, and solar energy projects. This diversification is essential to ensure resilience and flexibility in the operation of the national electric system.
With the purchase of the plants from Rovema Energy in Acre, Âmbar reinforces its operations in regions with lower coverage of the SIN, contributing to the universalization of access to energy. Furthermore, the company has adopted governance and sustainability practices aimed at reducing the environmental impact of its operations.
Âmbar’s presence in Acre could be a catalyst for improvements in local infrastructure, including distribution networks, monitoring systems, and technical training. This could create jobs, stimulate the regional economy, and promote energy inclusion.
Market Repercussions and Regulatory Expectations
The transaction between Âmbar Energy and Rovema Energy also has repercussions in the regulated market. The operation still depends on approval from the National Electric Energy Agency (ANEEL) and the Administrative Council for Economic Defense (CADE), which must assess the competitive and operational impacts of the acquisition.
Experts point out that Âmbar’s entry into Acre could increase competition in the supply of thermal energy, pressuring for greater efficiency and better contractual conditions. Additionally, the operation may influence future tenders and public policies aimed at decentralized generation.
The expectation is that, once approved, the acquisition will be integrated into Âmbar’s portfolio with a focus on cost optimization, technological modernization, and expansion of installed capacity. This could consolidate the company as one of the leaders in the Brazilian electric sector.
A New Phase for Thermal Generation in Brazil
The purchase of the three thermal plants from Rovema Energy by Âmbar Energy in Acre, announced on October 27, 2025, represents a strategic milestone in the Brazilian electric sector. With 69.4 MW of installed capacity, the operation reinforces the company’s presence in the North region and expands its generation capacity to 4.1 GW.
More than a commercial transaction, it represents a movement that could redefine the future of thermal generation in Brazil, balancing energy security, operational efficiency, and regional development.
Âmbar Energy’s operations in Acre, coupled with its national expansion, show that the electric sector is undergoing transformation — and that thermal plants still have a relevant role in the Brazilian energy matrix, especially in areas with infrastructure challenges.
With investments in modernization, integration, and sustainability, Âmbar Energy can lead a new phase of thermal generation in Brazil, contributing to system stability and the progress of more remote regions.
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