en.Wedoany.com Reported - Through planning and investment in power generation and transmission, Brazil's energy sector has strengthened the National Interconnected System (SIN), enhancing service capacity for consumers and bolstering energy security. Between 2023 and 2026, Brazil's power integration was reinforced, improving the reliability of electricity supply across different regions.

A key milestone was the interconnection of Roraima state with the SIN. Following the commissioning of the Manaus-Boa Vista transmission line in 2025, all state capitals in Brazil are now connected to the national power transmission network. Areas previously served by isolated systems have also been integrated, including Parintins and Itacoatiara in Amazonas state, and Juruti in Pará state. These regions are now powered by the SIN, improving the reliability of electricity supply for millions of residents, reducing reliance on thermal power generation and fossil fuels, and lowering costs for consumers.

Minister of Mines and Energy, Alexandre Silveira, stated that Brazil is building an increasingly robust, integrated, and future-ready power system. He noted that the connection of Roraima state to the National Interconnected System is a historic moment for the country, symbolizing progress in generation, transmission, and energy security. Through further investment and planning, a more reliable supply will be ensured for millions of Brazilians.

In the first half of 2026, over 2,000 kilometers of transmission lines entered commercial operation, bringing the total length of the national grid to more than 192,000 kilometers, enhancing power transmission and exchange capacity between subsystems. During the same period, Brazil's centralized power generation installed capacity reached 218 GW, with 84.8% coming from renewable sources. With 62 power plants entering operation, the system added 2,628 MW of new capacity, while distributed micro and small-scale generation capacity exceeded 50 GW. Highlights include the GNA II thermal power plant in Rio de Janeiro, with an installed capacity of 1.7 GW, enhancing the SIN's power supply and operational security.

Investments under the New Growth Acceleration Program (Novo PAC) have driven the expansion of power infrastructure. As of June 2026, 446 power plants have been completed, adding over 20 GW of installed capacity to Brazil's power matrix, expanding electricity supply to meet growing demand. Additionally, thousands of kilometers of new lines and substations have been contracted through transmission auctions, strengthening the SIN's strategic role in national development.