Cuba's nationwide power grid experienced a total collapse Monday, affecting approximately 10 million residents across the island before electricity was partially restored to some regions. The state Electric Union confirmed the complete disconnection of the National Electric Power System, marking another critical failure in the country's deteriorating energy infrastructure.

This blackout represents the third major grid failure Cuba has suffered in 2026 alone, underscoring the persistent strain on the island's electrical capacity. The recurring outages stem from chronic fuel shortages, aging equipment, and systemic maintenance challenges that have left the power system fragile and vulnerable to cascade failures.