Cuba reconnects 14 provinces after nationwide electrical grid collapse

Grid collapse across the island

Cuba experienced a nationwide electrical blackout shortly before 14:00 local time on Friday, 18 September 2026. The state-run utility Unión Eléctrica (UNE) reported that a failure in high-voltage transmission lines, combined with unstable weather conditions in central Cuba, caused the shutdown. The disruption initially severed power across five western provinces, extending from Havana to Matanzas, before disconnecting the remaining ten provinces. Depending on the counting method cited by official and international monitors, this collapse marks the sixth, seventh, or eighth widespread power failure in 2026. During an earlier general blackout in early August, technicians required 36 hours to reconnect the national grid after previous disruptions in March and July.

Phased restoration and regional recovery

Following the total disconnection, Félix Estrada, UNE national load dispatch director, activated emergency restoration protocols to stabilize regional circuits. Technicians established isolated power distribution micro-islands in Camagüey, Pinar del Río, and Granma to supply hospitals and water pumping facilities. By dusk on Friday, only 5% of Havana's approximately 862,000 customers had received electrical service. By late Saturday afternoon, UNE announced that transmission lines reconnected the electrical system across 14 of Cuba's 15 provinces. Guantánamo province in the far east remained without power, and grid generation deficits kept electricity access in Havana limited to 48% on Saturday evening. Havana resident Lucia Martinez described the brief and unstable return of electricity in the capital.

“Here we had about four hours of electricity in the afternoon, then the power went out again.”

Fuel embargo and infrastructure decay

The electrical collapse reflects long-term wear on Cuba's seven thermoelectric plants, which form the backbone of the domestic power network. Generation capacity has dropped sharply because operators lack spare parts to repair obsolete facilities and imported diesel to operate backup generation units. The supply crisis deepened after the United States imposed an energy blockade in January 2026, followed by another sanctions package in August. Since January, Cuba has received only one documented fuel delivery, brought by a Russian tanker in March. Venezuela previously supplied roughly 35,000 barrels of oil daily, covering about half of Cuban needs, but shipments have fallen under US pressure. United Nations human rights experts condemned the embargo, while Washington maintained that internal economic mismanagement caused the collapse.

Havana30

Other provinces60

Havana

30 hours

Other provinces

60 hours

Data from the article text

Household disruption across provinces

The repeated outages have disrupted daily life across the island of 9.4 million people. In recent weeks, scheduled power cuts have regularly exceeded 30 consecutive hours in Havana and more than 60 hours in surrounding provinces. The loss of electricity halts electric cooking appliances, stops municipal water distribution, and forces schools and government offices to close. Residents reported losing refrigerated food and facing long transport delays, flight cancellations, and reduced working hours. Small protests have occurred in response to the shortages despite strict laws against unauthorized demonstrations that carry penalties of imprisonment. Schoolteacher Lidia Fernandez described the compounding strain on basic household needs.

“It's one thing after another: no water, no gas for cooking, no electricity. Honestly, I don't know how we haven't gone crazy.”