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Cuba’s national electric grid collapses, reason unknown

By Thomson Reuters Jul 6, 2026 | 11:38 AM

By Dave Sherwood

HAVANA, July 6 (Reuters) – Cuba’s national electric grid collapsed on Monday at midday, ​the country’s grid operator ‌said, leaving around 10 million people on the Caribbean island without power.

Grid operator UNE said it was investigating ‌the ​cause of the ⁠nationwide blackout.

Cuba has ⁠for months suffered from hours-long, and more recently, days-long power outages linked in part to ​a decrepit grid and a U.S. imposed oil blockade that ⁠has cut off ⁠the island’s fuel supply.

The ​nationwide outage is more bad news ​for Cubans already exhausted from ‌rolling blackouts that make it impossible for many to work or sleep in the Caribbean ⁠summer heat.

Cuba has frequently struggled to keep the lights on during a years-long ⁠economic ‌crisis but the Communist-run ⁠government has entered unprecedented ​territory ‌under increased pressure from ​U.S. President ⁠Donald Trump.

Nearly two-thirds of the country was already without power when the grid collapsed on Monday.

(Reporting by Dave Sherwood; Editing by ​Kylie Madry)