More than 1.4 million people in São Paulo, Brazil, lost power on Thursday. The massive blackout was caused by severe winds from an extratropical cyclone. The storm toppled hundreds of trees onto critical power lines across the metropolis.According to the Associated Press, the powerful winds reached speeds of 100 kilometers per hour. Utility company Enel is scrambling to restore electricity. The company has faced sharp criticism from city officials for its response.
Infrastructure Crippled by Falling Trees and Public Outcry
Sao Paulo’s city hall confirmed 231 trees collapsed due to the storm. The fallen trees severely damaged the electrical grid. This caused widespread disruption beyond just homes and businesses.The city’s water utility, Sabesp, reported issues with its pumping stations. The lack of power is now affecting water supply services too. Aviation was also hit hard, with nearly 400 flight cancellations at major airports.Mayor Ricardo Nunes publicly criticized Enel for its handling of the crisis. He called the Italian utility “irresponsible” for not deploying all available resources. Public anger grew after vehicles were seen idle at an Enel parking lot during the outage.

Long-Standing Grid Vulnerability Exposed
This incident highlights a recurring problem for São Paulo’s infrastructure. Mayor Nunes pointed out that residents are repeatedly “left behind without electricity” after weather events. The storm exposed vulnerabilities in both the power grid and urban tree maintenance.The blackout’s scale underscores the challenge of maintaining aging infrastructure in a megacity. It also raises questions about preparedness for extreme weather, which may become more frequent. The economic and social impact of such a prolonged outage is significant for South America’s financial hub.
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The São Paulo power outage serves as a stark warning for major cities worldwide. Resilient infrastructure is crucial as climate patterns shift. For now, 1.4 million residents await a return to normalcy.
Thought you’d like to know:
What caused the São Paulo power outage?
The outage was caused by an extratropical cyclone. It produced winds over 100 km/h that knocked down 231 trees. These falling trees destroyed key power lines across the city.
How long will the blackout last?
Utility Enel has not provided a restoration deadline. Over 1,300 workers are deployed on repairs. The full scale of the damage is still being assessed.
Which areas were most affected?
The entire metropolitan area of São Paulo was impacted. The Congonhas airport saw major flight cancellations. The international airport in Guarulhos was also disrupted.
Has this happened before in São Paulo?
Yes, Mayor Nunes cited a pattern of similar failures. The grid failed for over 2 million people just the day before this event. Infrastructure vulnerability during storms is a known issue.
Why is the mayor criticizing Enel?
Mayor Nunes accused Enel of not using all its resources to fix the problem. He called the company’s response irresponsible. Public footage of idle company vehicles fueled the criticism.
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