Brazil’s energy regulator, ANEEL, has authorised the 2025 Electric Power Transmission Subsidies Plan (POTEE 2025), a document prepared by the country’s Ministry of Mines and Energy (MME).
The approved portfolio includes 687 Small-Scale Reinforcements to be deployed across Brazil’s electricity transmission system, representing total investments of approximately BRL 1 billion in new transmission facilities over the next four years. The decision was formalised through Regulatory Order No. 200/2026.
According to ANEEL, the works will be carried out by 50 transmission companies operating across different regions of the country. The total authorised investment reaches around BRL 1.05 billion, underlining the strategic role of transmission infrastructure in the reliable operation of Brazil’s National Interconnected System (SIN).
The projects are expected to be implemented progressively, with completion scheduled by the end of 2029. Most of the authorised interventions were classified as urgent, highlighting their importance for the safe and continuous operation of the Brazilian power system.
The authorisation is based on technical studies prepared by the National Electric System Operator (ONS), which is responsible for identifying operational needs and proposing solutions for the transmission network. These proposals were subsequently reviewed by the Energy Certification Authority (SCE), which confirmed compliance with current regulations and fully validated the measures set out in the plan.
With this decision, ANEEL approved 100% of the new reinforcements included in the third edition of POTEE 2025, reflecting strong alignment between the technical assessments conducted by the ONS and the regulator’s evaluation.
The initiative forms part of ANEEL’s broader strategy to modernise and reinforce Brazil’s electricity infrastructure. By reducing operational risks and increasing grid robustness, the approved investments will also enhance the system’s capacity to integrate new generation, particularly from renewable energy sources such as wind and solar power.
This reinforcement of the transmission network is seen as a key enabler for continued investment in renewable energy in Brazil, ensuring grid stability while supporting the country’s energy transition.
