With the collaboration of Henrique Hein
The Brazilian Ministry of Mines and Energy (MME) announced that the start of operations for the Graça Aranha-Silvânia transmission line has been brought forward from 2030 to March 2028.
The project aims to expand the capacity for transporting generated energy, especially from renewable energy plants installed in the Northeast, towards the country's main consumer centers.
In total, the project should provide an additional 5 GW of capacity to the SIN (National Interconnected System). The new forecast was presented this Thursday (16) by the chairman of State Grid Brazil Holding, Sun Tao, during a meeting with the Minister of Mines and Energy, Alexandre Silveira.
The Chinese concessionaire is responsible for implementing the project and foresees investments of approximately R$ 20 billion. With about 1.500 km of 800 kV direct current line, it will connect the states of Maranhão and Goiás and will be one of the main transmission projects currently underway in Brazil.
According to the Ministry of Mines and Energy (MME), updates on the progress of the works and the next steps in the implementation of the project were also presented during the meeting.
The new infrastructure will allow for an increase in the flow of renewable energy to the rest of the SIN (National Interconnected System), in addition to interconnecting the substations of Presidente Dutra (MA), Teresina (PI), Samambaia (DF), Itumbiara (GO) and Emborcação (MG).
Expansion of renewable energy generation requires strengthening of transmission infrastructure.
In recent years, Brazil has experienced rapid growth in wind and solar power generation, mainly in the Northeast region, where some of the best natural resources for these sources are concentrated.
During many periods of the day, especially during times of peak solar incidence and stronger winds, the amount of energy produced exceeds the capacity of the transmission network available to carry it to the country's main consumer centers.
This scenario has made the expansion of transmission infrastructure one of the main challenges for the electricity sector. In addition to connecting new projects to the SIN (National Interconnected System), the new lines increase the capacity for energy exchange between regions and reinforce the security of the electrical system. The Graça Aranha-Silvânia line is part of this set of projects.
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