Roberta Aguirre
On the morning of September 7, 2022, Austin-Bergstrom International Airport in Austin, Texas, experienced a power outage that impacted all 4,000 acres of its property. The power outage was caused by a malfunction of underground equipment, resulting in flight cancellations, long lines, and traffic jams near the airport. The backup generators were manually turned on by airport staff, providing emergency-level functions such as lighting, fire detection, and alarm systems. The power was restored to the airport after about three hours, but the impact of the delay was still felt the next day as airlines rescheduled canceled flights. This incident caused significant frustration among travelers and raised concerns about the airport's ability to handle growing travel demand and prevent similar outages in the future.
| Characteristics | Values |
|---|---|
| Date | 7 September 2022 |
| Time | Around 4:30 a.m. to 8:03 a.m. |
| Duration | 3 to 4 hours |
| Cause | Underground equipment malfunction |
| Impact | Cancelled and delayed flights, long lines, traffic jams |
| Backup power | Two backup generators provided emergency-level functions |
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What You'll Learn
Delayed response to the power outage
On Wednesday, 7 September 2022, Austin-Bergstrom International Airport in Texas lost power for over three hours, causing flight cancellations and delays, and leaving passengers in the dark. The power outage was caused by a "catastrophic" equipment failure, with underground equipment malfunctioning around 4:30 a.m.
The delayed response to the power outage can be attributed to several factors:
Time taken to locate the fault
As all the power lines near the airport are underground, it took longer for Austin Energy crews to identify the exact location of the fault. Matt Mitchell from Austin Energy explained that they knew the general location of the fault from an underground transformer but had to walk along the half-mile line to pinpoint the issue. This process was further prolonged by the need to safely navigate heavy equipment and ensure the right area was excavated.
Manual activation of backup generators
The airport's backup generators had to be manually activated by staff due to the large-scale power failure. This manual activation caused a delay of over an hour before the generators kicked in and provided emergency-level functions, including lighting, fire detection, and alarm systems.
High passenger volume
The power outage occurred during the airport's busiest time of day, exacerbating the delays. With tens of thousands of passengers affected, long lines formed inside the terminal and on the roads leading to the airport. The high volume of travellers, coupled with the power outage, resulted in cancellations and delays of numerous flights.
Impact on airport operations
The power outage disrupted airport operations, including security screenings and flight processing. Even after power was restored, the airport continued to experience delays and advised passengers to check their flight status before heading to the airport. The impact of the power outage extended beyond the immediate incident, with airlines rescheduling cancelled flights and passengers facing ongoing uncertainties.
Investigation and prevention measures
Following the power outage, Austin Energy conducted an investigation to determine the exact cause and assess how to prevent similar outages in the future. This proactive approach is standard procedure, especially for significant disruptions like this one. The evaluation aimed to identify repeatable problems and implement safeguards and redundancies to enhance the reliability of the power supply.
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Underground equipment malfunction
On Wednesday, 7 September 2022, Austin-Bergstrom International Airport in Austin, Texas, experienced a power outage that impacted all 4,000 acres of its property. The power outage was caused by a malfunction in the underground equipment around 4:30 a.m., according to Austin Energy.
The power failure affected the entire airport campus, including the main Barbara Jordan Terminal, which serves tens of thousands of passengers daily. The terminal was left without lights or power, causing flight cancellations, long lines, and traffic jams near the airport. The airport's backup generators were manually turned on by airport staff, providing emergency-level functions such as lighting, fire detection, and alarm systems. However, it took some time for the generators to kick in, leaving passengers in the dark for up to three hours.
During the power outage, passengers who had already cleared security waited in the terminal, while those in line at the Transportation Security Administration checkpoint remained in place. Restaurants inside the airport, including Salt Lick Barbecue and Taco Deli, handed out free food to stranded passengers. The power outage caused significant disruptions for travellers and drivers, with 37 outgoing flights cancelled and an additional 59 flights delayed.
Austin Energy crews worked to assess and repair the underground equipment malfunction, and power was restored to the airport around 8 a.m. Airport officials stated that the impact of the power delay would likely still be felt the next day as airlines rescheduled cancelled flights. They also emphasised the importance of understanding the cause of the outage to implement safeguards and prevent similar incidents in the future.
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Manual activation of backup generators
On September 7, 2022, Austin-Bergstrom International Airport in Austin, Texas, experienced a power outage that impacted all 4,000 acres of its property. The power outage was caused by a malfunction of underground equipment and lasted for approximately three-and-a-half hours, from 4:30 a.m. to around 8:00 a.m.
During the power outage, the airport terminal was operated by two backup generators, which provided emergency-level functions such as lighting, fire detection and alarm systems, the overhead PA system, and security functions. These backup generators had to be manually activated by airport staff since the power failure was on such a large scale.
According to airport spokesperson Bailey Grimmett, the backup generators are designed to be triggered automatically or manually, depending on the size of the incident. In this case, the generators were manually started by staff, which took about an hour.
The manual activation of the backup generators was a critical step in ensuring passenger safety and providing basic functionality within the airport. The generators allowed for emergency lighting, fire detection, and other essential systems to operate until full power could be restored.
The airport's protocol during a power outage is to activate these backup generators to provide sufficient lighting and enable safe evacuation if needed. The manual activation of the generators was a standard procedure to address the large-scale power failure, and airport staff responded as quickly as possible to initiate the generators.
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Impact on traffic and roads
The power outage at Austin-Bergstrom International Airport had a significant impact on traffic and roads in the area. Roads leading to the airport were blocked off, causing massive delays and backups on Texas 71 and other nearby highways. The Del Valle Independent School District reported that bus routes in the area were impacted and delayed due to the closures and heavy traffic.
Travellers reported heavy traffic and long lines of cars outside the airport, with some roads jammed and gridlocked. This was exacerbated by the fact that the power outage occurred during the airport's busiest time of day, with tens of thousands of passengers affected.
The airport's backup generators, which provided limited emergency functions, were manually turned on by staff, but it took some time for them to be activated due to the large scale of the power failure. This delayed the restoration of power to the airport, which took approximately three hours from the initial outage around 4:30 am to 7:15-8:00 am.
The impact of the power outage was felt beyond the immediate area, with travellers coming from across Texas and beyond. The disruption caused by the power cut and subsequent delays and cancellations affected not only those at the airport but also drivers on nearby roads.
The airport and Austin Energy worked to manage the traffic and road closures, with Austin Energy crews on-site assessing the issue and working to restore power. The airport also activated its emergency plan and followed protocols to ensure passenger safety, including providing staff with flashlights and water.
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Frustrated passengers
On Wednesday, 7 September 2022, Austin-Bergstrom International Airport in Texas lost power for over three hours, causing flight cancellations and frustrating flyers. The power outage, which started around 4:30 a.m., impacted all 4,000 acres of the airport's property, leaving passengers in a dark and warm terminal.
The issue was caused by a "catastrophic" equipment malfunction, with underground equipment failing. This caused long lines and traffic jams near the airport as roads were blocked off. Passengers reported a stressful experience, with some having not brought any food or water and having been at the airport for hours.
One passenger, Coorey, said: "I’m just stressed and can’t really think of anything. We didn’t bring any food, water, we have not had anything. We are just tired. All I want to do is go to my country and spend time with my family. We've been here for like three hours with my son, thank God, he was asleep the whole time... I just want to go and see my parents. I’m going to Sri Lanka after three years, and it’s the first time taking him to my country."
Another flyer, Ruben, said: "I’ve been at the airport since five in the morning, and I was already kind of late, because my flight was at 6:20. And then we came in, and there were no lights at the airport. I tried calling the airline. I’m still waiting for a call back from them. And there’s a huge line made from people just like me waiting to find out if their flight was canceled or delayed."
Deana Kayworth, who was also waiting in line, said: "The lady in front of me decided she wasn’t gonna make it. So she went home. He’s trying to make his connection. I have an MRI at MD Anderson here at 11:15. They’ll take me late, I think."
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Frequently asked questions
A "catastrophic" equipment failure caused a power outage at Austin-Bergstrom International Airport.
The power outage impacted all 4,000 acres of the airport's property. It caused flight cancellations, long lines, and traffic jams near the airport.
The power outage lasted for approximately three-and-a-half hours, from 4:30/4:33 am to 7:30/8:03 am.
The airport's backup generators were manually turned on by staff, providing emergency-level functions such as lighting, fire detection, and alarm systems. Restaurants inside the airport also handed out free food to passengers.
Austin Energy is investigating the cause of the outage and assessing how to prevent similar incidents in the future. They are evaluating the need for safeguards and redundancies to ensure reliable power supply.
