Core Insights - The State Grid Corporation of China has received preliminary approval from Brazil's Renewable Energy Agency (Ibama) for the construction of the "Northeast Brazil Ultra-High Voltage Project" transmission line, marking a significant milestone in the country's infrastructure development [1] Investment Project Details - This project represents the largest transmission concession project in Brazil's history, with an estimated investment of 21 billion Brazilian Reais [1] - The project was independently won by the State Grid Corporation on December 15, 2023, and aims to aggregate and transmit clean energy sources such as wind, solar, and hydroelectric power from northeastern and northern Brazil [1] - The transmission line will pass through Maranhão, Tocantins, and Goiás states, serving the electricity needs of approximately 12 million people in key areas, including the Federal District [1] - The project is scheduled to be operational by 2029, with a concession period of 30 years, and the legal operational date set for March 2030 [1]