Millions of Cubans plunged into darkness as fuel crisis deepens

Published: March 5, 2026 . The English Chronicle Desk . The English Chronicle Online

Millions of people across Cuba have been plunged into darkness after a massive power outage struck large parts of the island, underscoring the severity of the country’s worsening fuel crisis and fragile electricity infrastructure. The blackout, which affected the western half of the nation including the capital Havana, has disrupted daily life for residents already struggling with shortages of fuel, food and basic services.

Authorities confirmed that the outage began after the unexpected shutdown of the Antonio Guiteras thermoelectric power plant, one of the country’s largest electricity producers. A boiler leak and mechanical failure forced the plant offline, triggering a chain reaction across Cuba’s ageing national power grid and leaving millions without electricity.

The blackout stretched across multiple provinces, from Pinar del Río in the west to Camagüey in central Cuba, affecting residential areas, businesses and essential services. Officials warned that restoring the electrical system could take several days as engineers work to restart power plants and stabilise the grid. In the immediate aftermath, only a small portion of Havana regained electricity while much of the capital remained in darkness.

Cuba’s government described the crisis as part of a broader energy emergency caused by dwindling fuel supplies and deteriorating infrastructure. Years of limited investment, shortages of spare parts and repeated mechanical breakdowns have left the national grid vulnerable to sudden failures.

The country’s energy problems have been compounded by a severe shortage of imported oil. Cuba depends heavily on foreign fuel shipments to run its thermoelectric plants, but disruptions to supply—particularly from traditional partners such as Venezuela—have reduced the amount of fuel available to power stations across the island.

Cuban officials also blame longstanding economic sanctions imposed by the United States, arguing that restrictions on financial transactions and fuel imports have made it more difficult for the country to purchase oil and modernise its electricity infrastructure. The government says these external pressures have intensified the current crisis and limited its ability to respond quickly to outages.

For ordinary Cubans, the blackout has added another layer of hardship to an already difficult economic environment. Residents in Havana and other cities reported hours without electricity, forcing families to cook with charcoal or gas stoves while struggling to keep food refrigerated in tropical heat. Public transportation was also disrupted as fuel shortages and electricity cuts reduced bus services across the capital.

Hospitals and critical infrastructure were prioritised during the restoration process, with authorities attempting to channel limited power supplies to medical facilities and emergency services first. Even so, widespread outages meant that many clinics and neighbourhood health centres faced difficulties operating normally.

The crisis is part of a broader pattern of recurring blackouts that have affected Cuba in recent years. The island has experienced multiple large-scale outages since 2024, with officials citing fuel shortages, mechanical failures and transmission problems as key causes. Some of the earlier incidents triggered public protests as citizens demanded improvements in electricity supply and living conditions.

Beyond the immediate impact on households, the energy shortage is also threatening the country’s agricultural production and food supply. Limited fuel availability has made it difficult to operate farming equipment, transport crops and maintain irrigation systems, raising concerns about the stability of food distribution across the island.

Economic analysts say the blackout illustrates the fragile state of Cuba’s economy, which is still recovering from the combined effects of pandemic-related tourism losses, global inflation and ongoing political tensions with the United States. Tourism—one of the country’s main sources of foreign currency—has struggled to rebound fully, leaving the government with limited resources to import fuel and maintain infrastructure.

The power outage has also highlighted the challenges facing Cuba’s energy sector, which relies heavily on outdated thermoelectric plants built decades ago. Without significant investment or access to new fuel supplies, experts warn that the country could face further outages in the months ahead.

Government officials have urged patience as engineers attempt to restore the national electrical system. At the same time, authorities have introduced energy-saving measures in several provinces, including restrictions on non-essential electricity use and temporary reductions in public services to stabilise the grid.

For many Cubans, however, the blackout has become a symbol of deeper economic problems facing the island. As darkness returned to streets and homes across large parts of the country, the outage served as a stark reminder of how fragile Cuba’s energy system has become—and how urgently solutions are needed to prevent further nationwide disruptions.

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