U.S. Embassy Havana Issues Security Alert on Cuba Nationwide Electrical Grid Collapse
Cuban state-run media reported the reason for the collapse and the timeline to restore power as unknown.
HAVANA — As of 10:43 p.m. EST on August 2, Cuba experienced a total power failure due to a collapse of its electrical grid, according to a U.S. Embassy Havana security alert published August 3, as well as a statement by the Cuban Electric Union on the same day.
Video: Nighttime satellite imagery (VIIRS Day/Night Band) of Cuba during a total national grid disconnection, March 2026.
The embassy stated that Cuban state-run media reported the reason for the collapse and the timeline to restore power as unknown. All U.S. citizens in Cuba or planning to travel to Cuba should be aware and plan accordingly. There are reports of cellphone and internet outages.






