By Brazil Stock Guide – One of the most historic names in Brazil’s electricity sector is coming to an end. The Companhia Hidroelétrica do São Francisco (CHESF) formally changed its corporate name to Axia Energia Nordeste S.A., retiring a brand created during the Getúlio Vargas era that for decades symbolized the federal government’s strategy to industrialize and electrify the Northeast.
The change was approved in an extraordinary shareholders’ meeting on March 3. The company said its CNPJ, legal status and operations remain unchanged, meaning the move represents a corporate rebranding rather than a structural transformation. Still, the disappearance of the CHESF name closes a chapter that began more than 80 years ago, when Brazil relied heavily on state-led infrastructure projects to drive economic development.
Origins in the Vargas Industrial State
The idea for CHESF dates back to 1944, when Pernambuco agronomist and then Agriculture Minister Apolônio Sales, serving in the government of President Getúlio Vargas, proposed creating a federal company to harness the hydroelectric potential of the São Francisco River. The centerpiece of the plan was the construction of a major power plant in Paulo Afonso, envisioned as a catalyst for economic development across Brazil’s Northeast.
The company was formally created during the Estado Novo regime through Decree-Law No. 8,031 of October 3, 1945, signed by Vargas. It later held its first shareholders’ meeting in March 1948, becoming Brazil’s first public electricity company.
Electrifying the Northeast
CHESF became a cornerstone of Brazil’s hydroelectric expansion in the Northeast. In 1955, the company inaugurated the Paulo Afonso I hydroelectric plant, one of the first major power projects in the region. During the restructuring of Brazil’s electricity sector in the 1960s, CHESF became a subsidiary of Eletrobras, the federal power holding company linked to the Ministry of Mines and Energy.
Southern company
A similar move is also taking place elsewhere in the group. In a separate decision approved the same day, the Companhia de Geração e Transmissão de Energia Elétrica do Sul do Brasil S.A., historically known as Eletrosul, also changed its corporate name to Axia Energia Sul S.A.
Founded in 1968 and authorized to operate in 1969, Eletrosul was created as a subsidiary of Eletrobras to expand electricity generation and transmission across southern Brazil. For decades, the company played a key role in developing the regional power grid in the states of Paraná, Santa Catarina and Rio Grande do Sul.
A New Era After Privatization
The retirement of the CHESF and Eletrosul name reflects the profound changes in Brazil’s power sector following the privatization of Eletrobras in 2022, carried out during the government of former President Jair Bolsonaro. The process reduced the federal government’s stake and transformed the company into a widely held corporation with private investors.
Within this new structure, subsidiaries have increasingly been repositioned under new corporate identities. The adoption of Axia Energia Nordeste signals a shift away from legacy state-linked branding toward a name aligned with a broader private-sector energy platform.
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