Mysterious drone swarm flew over Palo Verde Nuclear Power Plant

It is not only in Colorado where we have seen mysterious drone swarms. On two successive evenings in September last year, multiple drones were seen flying over America’s most powerful power plant, the Palo Verde Nuclear Power Plant, in Arizona.
Mysterious drone swarm flew over Palo Verde Nuclear Power Plant
Joseph Trevithick and Tyler Rogoway write for The Drive that:
… a bizarre and largely undisclosed incident involving a swarm of drones occurred on successive September evenings in 2019. The location? America’s most powerful nuclear plant, the Palo Verde Nuclear Generation Station situated roughly two dozen miles west to Phoenix, near Tonopah, Arizona.
In a trove of documents and internal correspondences related to the event, officials from the Nuclear Regulatory Commission (NRC) described the incident as a “drone-a-palooza” and said that it highlighted concerns about the potential for a future “adversarial attack” involving small unmanned aircraft and the need for defenses against them. Even so, the helplessness and even cavalier attitude toward the Drone Incident as it was unfolding by those that are tasked with securing one of America’s largest and most sensitive nuclear facilities serves as an alarming and glaring example of how neglected and misunderstood this issue is.
This particular story starts on Sept. 29, 2019. Shortly before 11:00 PM local time at the Palo Verde Nuclear Generating Station, Daphne Rodriguez, an Acting Security Section Chief at the plant, called the duty officer at NRC’s Headquarters Operations Center (HOC). Rodriguez reported that a number of drones were flying over and around a restricted area near the nuclear power plant’s Unit 3, which houses one of its three pressurized water reactors.
You can read the entire, detailed story here. It has been put together with the help of Douglas D. Johnson, a volunteer researcher affiliated with the Scientific Coalition for UAP Studies (SCU). Through the Freedom of Information Act (FOIA), Johnson was able to obtain a large trove of internal documents regarding the mysterious drone swarm that flew over the Palo Verde Nuclear Power Plant.
Stay in touch!
If you’d like to stay up to date with all the latest drone news, scoops, rumors, and reviews, then follow us on Twitter, Facebook, YouTube, Instagram or…
Subscribe to our Daily Drone News email.*
Submit tips If you have information or tips that you would like to share with us, feel free to submit them here. Support DroneXL.co: You can support DroneXL.co by using these links when you make your next drone purchase: Adorama, Amazon, B&H, BestBuy, eBay, DJI, Parrot, and Yuneec. We make a small commission when you do so at no additional expense to you. Thank you for helping DroneXL grow! FTC: DroneXL.co uses affiliate links that generate income.
* We do not sell, share, rent out or spam your email, ever. Our email goes out on weekdays around 5:30 p.m.
Discover more from DroneXL.co
Subscribe to get the latest posts sent to your email.
MAKE YOUR VOICE HEARD
Proposed legislation threatens your ability to use drones for fun, work, and safety. The Drone Advocacy Alliance is fighting to ensure your voice is heard in these critical policy discussions.Join us and tell your elected officials to protect your right to fly.
Get your Part 107 Certificate
Pass the Part 107 test and take to the skies with the Pilot Institute. We have helped thousands of people become airplane and commercial drone pilots. Our courses are designed by industry experts to help you pass FAA tests and achieve your dreams.

Copyright © DroneXL.co 2025. All rights reserved. The content, images, and intellectual property on this website are protected by copyright law. Reproduction or distribution of any material without prior written permission from DroneXL.co is strictly prohibited. For permissions and inquiries, please contact us first. DroneXL.co is a proud partner of the Drone Advocacy Alliance. Be sure to check out DroneXL's sister site, EVXL.co, for all the latest news on electric vehicles.
FTC: DroneXL.co is an Amazon Associate and uses affiliate links that can generate income from qualifying purchases. We do not sell, share, rent out, or spam your email.