Cuba plunged into sixth major blackout this year amid fuel crisis

On Friday afternoon, Cuba's entire electrical system collapsed. The grid went dark all at once—a total disconnection that left millions without power across the island. It was just before two o'clock local time when the failure occurred, triggered by a transmission fault that coincided with severe weather moving through central Cuba. By late evening, technicians had managed to restore electricity to some critical zones: areas surrounding hospitals, water pumping stations in Havana, the infrastructure that keeps a city minimally alive. But for most Cubans, the darkness held.

This was the sixth major blackout to strike the country in 2026 alone. The pattern has become grimly familiar. Cuba's power grid is aging, its fuel reserves are depleted, and the United States maintains an oil blockade that has choked off the island's ability to import the energy it needs to function. The grid operator, UNE, announced that restoration would proceed gradually, a process that stretched into Saturday with no clear timeline for completion.

The fuel crisis is the engine driving the collapse. Cuba depends almost entirely on imported oil, and until January of this year, Venezuela had been supplying roughly half of what the island needed—around 35,000 barrels daily. That lifeline was severed when the United States seized Venezuelan President Nicolás Maduro. Trump administration officials have since threatened tariffs against any nation that ships oil to Havana, and several cargo vessels carrying fuel bound for Cuba have been seized by American authorities. The blockade, formally in place since the start of 2026, has compounded shortages that were already severe.

The consequences ripple outward. Hospitals cannot operate normally. Schools have closed. Government offices have shut down. Food and medicine have become scarce. A 78-year-old man named Francisco Rodriguez watched his home go without electricity for 28 hours on Friday and braced himself for days more in the dark. A 36-year-old schoolteacher, Lidia Fernandez, described the cascading deprivations: no water, no gas for cooking, no electricity. "Honestly, I don't know how we haven't gone crazy," she said. Frank Lorenzo, a Havana resident, noted that blackouts used to happen once a month. Now they are constant. Just the day before Friday's total collapse, his neighborhood had lost power for 24 hours, regained it for a single hour, then lost it again.

The Cuban government has attributed the crisis squarely to American policy. Officials have denounced the sanctions and the oil blockade as economic warfare, pointing to a new round of restrictions announced in August. The Trump administration, by contrast, has blamed Cuba's leadership for mismanagement and has characterized the energy crisis as a national security threat to the United States. Trump has spoken openly about removing Cuba's government, including references to a "friendly takeover."

The blackouts have begun to crack the surface of Cuban society in ways that are difficult to ignore. Unauthorized protests have erupted—a rare occurrence in a country where demonstrations without permission are illegal and can result in imprisonment. The repeated failures of basic infrastructure, the compounding scarcities, the sense that conditions are deteriorating rather than stabilizing, have pushed people into the streets despite the risks. The question now is whether the grid can be restored quickly enough to ease the pressure, or whether the next blackout is already inevitable.