Cuba Plunges Into Darkness as Power Grid Fails for Second Time This Week

Saturday, March 21, 2026 at 8:22 PM

Cuba's electrical system completely shut down Saturday, cutting power to approximately 10 million residents across the island nation. This marks the second total blackout since Monday, as U.S. sanctions continue to strain the country's aging power infrastructure.

Cuba experienced a complete electrical system failure on Saturday, plunging the entire island nation into darkness and affecting roughly 10 million residents, according to the country’s power grid management company.

The widespread blackout represents the second total power system collapse this week, following a similar incident that occurred on Monday. The national utility company UNE confirmed the outage through its social media channels and promised to provide ongoing updates about restoration efforts.

The power crisis comes as Cuba struggles with an aging electrical infrastructure that has been severely impacted by ongoing U.S. economic sanctions targeting oil imports to the Caribbean nation.

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