Cuba Plunged Into Darkness as Massive Blackout Hits Two-Thirds of Island

What Happened A sweeping blackout hit Cuba on March 5, 2026, cutting power to approximately two-thirds of the island nation, including the capital city of Havana. The outage left millions of Cuba’s 11+ million residents without electricity, affecting everything from basic lighting and refrigeration to medical equipment and communications. The blackout struck suddenly, plunging major population centers into darkness during what would typically be peak evening hours. Havana, home to over 2 million people, was among the hardest-hit areas, with reports of complete power loss across large swaths of the city.