Millions lost power as Cuba’s fifth nationwide blackout of 2026 hit amid a US-imposed oil blockade.
Published On 14 Jul 2026
Cuba’s national power grid has collapsed, plunging the island into its third nationwide blackout in less than 10 days and leaving approximately 10 million people without electricity.
The outage began around 11am local time (15:00 GMT) on Tuesday, when the country’s entire power grid went offline, according to the state-run electricity company, UNE.
“There has been a total disconnection of the electrical system,” Cuba’s Ministry of Energy and Mines said on social media.
The latest blackout comes as Cuba faces its worst economic crisis in decades, worsened by an oil blockade imposed by the United States that has deepened fuel shortages and pushed the island’s ageing power system to the brink.
US President Donald Trump imposed the blockade in January after the United States removed Venezuelan President Nicolas Maduro from power. Venezuela had long been Cuba’s main supplier of subsidised oil, and under US pressure, Mexico also halted fuel shipments to the island.
As of 2023, according to the International Energy Agency, Cuba was producing only about 40 percent of the oil it consumed, leaving it heavily reliant on imported fuel.
The Trump administration says the measures are intended to pressure Cuba’s communist government to hold democratic elections and release what it calls political prisoners.
The repeated blackouts have fuelled growing frustration across the island. Just a week ago, scattered protests broke out across Havana, with residents banging pots and pans and shouting “turn on the lights” as millions endured another prolonged outage. In both of last week’s blackouts, it took over 24 hours to restore power across the island.
Cuban authorities have struggled for months to keep the lights on as fuel shortages and an ageing electricity grid, much of it dating back to the 1960s and 1980s, leave the system increasingly prone to collapse.
Havana blames the crisis on the US fuel blockade, while Washington says Cuba’s communist government is responsible for the country’s deteriorating power system.
Speaking at a UN General Assembly debate on US sanctions last week, US Ambassador Michael Waltz said Cuba’s leaders were to blame for the electricity shortages.
“Change your ways and turn the lights back on for your people,” he said.
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