en.Wedoany.com Reported - The Ministry of Mines and Energy (MME) of Brazil has released the 5th edition of the 2025 Power Transmission Concession Plan (POTEE). This document serves as a reference for the planning and expansion of Brazil's transmission infrastructure, consolidating the needs for expansion, reinforcement, and decommissioning of the basic grid of the National Interconnected System (SIN) and other facilities.
This update was approved by SNTEP/MME Ordinance No. 3,146. The document is based on technical studies conducted by the MME, the Energy Research Company (EPE), the National Electric System Operator (ONS), and the National Electric Energy Agency (ANEEL). It defines short- and medium-term investment needs and guides future authorization and bidding processes in the sector. POTEE acts as a guide for the transmission industry, formally indicating the required projects, implementation deadlines, and expected commercial operation dates. This information will serve as a reference for future authorizations issued by ANEEL.
The additions in the 5th edition show that the Northeast region concentrates most of the new expansion projects. Key indications include new structural projects in the North and Northeast regions, involving the construction of 500 kV transmission lines and the expansion of strategic substations to ensure power delivery and new load connections. Major projects include the construction of the new Açu III–Pecém IV 500 kV transmission line (approximately 300 km long), connections between Pecém IV, Parnaíba III, and Jaguaruana II, the construction of the new Angicos substation on the Rio Grande do Norte–Ceará axis, and the reinforcement of the power system in Pará (including new 230 kV lines and the installation of synchronous compensators). Most of these projects are scheduled to enter commercial operation between 2030 and 2032 to expand the transmission network to accommodate the growth of renewable energy generation and electricity demand.
Reinforcement projects also create opportunities for manufacturers and service providers. In addition to new lines and substations, POTEE identifies opportunities related to the reinforcement of existing assets, including the installation and replacement of power transformers, installation of capacitor banks and reactors, capacity expansion and reconductoring of transmission lines, expansion of switching stations and connection modules, and installation of synchronous compensators and FACTS devices. Key projects involve the reinforcement of important power corridors in the states of São Paulo, Minas Gerais, and Rio Grande do Sul, involving the capacity expansion of 345 kV, 440 kV, and 500 kV lines operated by concessionaires such as ISA Energia Brasil, AXIA, and CPFL Transmissão.
For equipment manufacturers, engineering companies, EPC contractors, transmission companies, and investors, the new edition of POTEE is a business prospecting tool. It allows for the anticipation of future demands on the Brazilian power system, enabling industry players to adjust their business strategies, production capacities, and investment plans with greater foresight. This release further emphasizes the role of sector planning as a key tool for ensuring the coordinated and secure expansion of the country's transmission infrastructure.
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