The Investment Will Be for Transmission Lines to Distribute Wind and Solar Energy from the Northeast to the Rest of the Country
The Energy Research Company (EPE) and the Ministry of Mines and Energy (MME) are expecting investments of around R$ 50 billion in transmission lines for supplying energy from the Northeast to the rest of the country in the coming years. The system will exceptionally serve the wind and solar productions that have resources in tariffs funded by all consumers.
According to data released by Poder360 on April 27, the estimates, which use the year 2030 as a parameter, refer to the sum of studies published by EPE so far, which are the Study of Energy Generation Flow in the Northeast Region and the Study of Expansion of Regional Interconnections.
Investment in Transmission Lines Is a Record in the Electric Sector
According to the Secretary of Planning and Energy Development of the MME, Paulo César Domingues, the planned amount for transmission lines in the Northeast is a record when considering the historical planning in the electric sector. According to Domingues, for the infrastructure to achieve greater success, the next step is the consolidation of the transmission line installations in the Northeast for the POTEE (Electric Energy Transmission Grant Plan) and then coordinate and prepare the necessary reports and additional details.
Consultant Thaís Teixeira from EPE states that investments in transmission lines in the Northeast take into account a reference context of expansion of the installed capacity of renewable sources by 14 GW, reaching a total of 48 GW by 2030, considering only wind and solar sources.
Moreover, the studies also accounted for the entry of approximately 8GW of installed capacity from thermal power plants, with 45% in the North and Northeast regions. These data show about 3.6 GW, nearly 4 times less than that of renewable energies.
Data gathered by Poder360 show that subsidies for renewable energy are paid by consumers through charges on energy bills. From 2017 to 2019 alone, the costs totaled around R$ 9.2 billion.
The result of charging these fees has been exponential growth, primarily of solar energy. According to data from Absolar (Brazilian Association of Photovoltaic Solar Energy), this source has made significant advancements in recent years.
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China surprised the world by transforming mountains into a 3.6 GW “water battery” with 12 reversible 300 MW turbines, pumping water uphill when there is surplus energy and returning electricity to the grid when wind and sun disappear.
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For the first time in history, 900 quilombola and riverine families in Marajó will have electricity — teams take solar panels by boat to communities without roads.
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In 80 years building 22 thousand dams, Brazil impacted more than 4 million people — and the law approved in 2024 to protect those affected has not yet come into effect.
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China is building 5 cascade dams for $167 billion in Tibet — and the Motuo Project will have 70 GW of capacity, three times more than the world’s current largest power plant.
Lack of Planning Affects Electric Sectors
Still talking about renewable energy sources, a release of studies shows that the government continues to have a flawed policy for the electric sector where the focus is on the production of intermittent renewable sources, instead of ensuring energy security using perennial renewable sources, such as natural gas. According to data, the Ten-Year Energy Plan 2031 prioritizes transmission lines over gas pipelines; however, while a 19% expansion for transmission lines is projected, gas pipeline infrastructure is expected to advance only 2%. Thus, the projected scenario maintains the decline of gas pipeline introduction in Brazil, making the Brazilian gas pipeline infrastructure the least developed among countries in the Americas.
In light of the scenario of not utilizing perennial renewable sources, Brazil faced the worst water crisis in the last 91 years in 2021. With reservoir levels of hydroelectric plants, wind and solar sources had to meet the SIN (National Interconnected System) during peak hours. Furthermore, the country had to resort to the use of thermal plants at extremely high costs, above R$ 2,500/MWh.

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