ONS investigates cause of blackout in Acre and Rondônia

Interruption in power supply left almost 800 consumers without electricity for more than four hours
ONS investigates cause of blackout in Acre and Rondônia
The northern region of Brazil is facing the worst drought in more than 40 years. Photo: Freepik

O blackout which left almost 800 thousand consumers without electricity in the states of Acre and Rondônia and which lasted almost four hours this Thursday (22) will be investigated by ONS (National Electric System Operator). 

As fires may be one of the causes of the lack of electricity in the region, which is facing its worst drought in more than 40 years. THE Power supply interruption occurred at 16:47 p.m., with a load drop of 984 MW that affected the North region. 

After the blackout, the Federal Government created a situation room to monitor and accelerate the resumption of services, which took place at 20:40 pm. Soon afterwards, the Minister of Mines and Energy, Alexandre Silveira, He stated that the problem was with the transmission.

The Ministry also noted that the service conditions of the Brazilian electrical system “remain reliable” throughout the country. Soon, the ONS should release a report pointing out the causes of another blackout in Brazil.

In a note, the Operator highlighted that there was a loss in the direct current transmission system of the Madeira Complex, in addition to the 230 kV transmission system that interconnects the states from Acre and Rondônia to the SIN (National Interconnected System). 

“The restoration of the system began at 17:10 pm, through the energization of the 230 kV interconnection system between the Pimenta Bueno and Ji-Paraná substations”, highlighted the ONS. 

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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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