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Home / News / Fire at substation leaves six cities without power in Rio de Janeiro.

Fire at substation leaves six cities without power in Rio de Janeiro.

The incident in São Gonçalo also impacted the supply of Niterói, Maricá, Itaboraí, Duque de Caxias, and Magé.
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  • Photo by Henrique Hein Henrique Hein
  • December 31, 2025, at 08:48 AM
1 min 27 sec read
Canal Solar - Fire at substation leaves six cities in Rio de Janeiro without power.
Fire hits electrical substation in São Gonçalo, Rio de Janeiro. Photo: Reproduction/Social Media

Residents of São Gonçalo, in the Metropolitan Region of Rio de Janeiro, were left without electricity after a fire hit a power substation in the early hours of Thursday (31).

According to the Fire Department, the call came in around 3 a.m. The flames were brought under control during the early morning hours, but the incident caused power outages in other municipalities in the region.

In addition to São Gonçalo, neighboring cities such as Niterói, Maricá, Itaboraí, Duque de Caxias, and Magé also reported impacts on their energy supply.

According to Enel Distribuição Rio, the concessionaire responsible for the substation and for serving the affected municipalities, approximately 140.151 properties had their power supply interrupted.

During the early morning hours, the company reported having restored service to 94% of affected customers. Technical teams remained working to complete repairs and fully restore power to consumers who are still without electricity, mainly in areas of São Gonçalo.

Enel Note

"Enel Distribuição Rio informs that, in the early hours of today (12/31), a trip at the Alcântara substation affected the power supply to some customers in the municipalities of São Gonçalo, Niterói, Maricá, Itaboraí, Duque de Caxias and Magé."

From the moment the incident occurred, the distributor carried out remote network maneuvers to reduce the number of customers impacted, while technicians inspected the substation to identify the fault.

"During the early morning hours, service was restored to 94% of customers, and currently, teams are working on repairs to normalize service to the remaining customers in the municipality of São Gonçalo." 

all the content of Canal Solar is protected by copyright law, and partial or total reproduction of this site in any medium is expressly prohibited. If you are interested in collaborating or reusing part of our material, please contact us by email: redacao@canalsolar.com.br.

fire Rio de Janeiro substation
Photo by Henrique Hein
Henrique Hein
He worked at Correio Popular and Rádio Trianon. He has experience in podcast production, radio programs, interviews and reporting. Has been following the solar sector since 2020.
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