Commodities March 22, 2026

Cuba launches nationwide recovery after second full-grid failure in a week

Authorities activate provincial microsystems and limited plants to restore power for hospitals, water and food distribution

By Nina Shah
Cuba launches nationwide recovery after second full-grid failure in a week

Cuban authorities began early restoration work after the national power grid collapsed for the second time within seven days. A failure at a major thermoelectric plant in Nuevitas triggered a cascading outage that left the country's roughly 10 million residents without electricity. Officials say smaller closed circuits have been put in place across provinces to prioritize vital services while limited generation from Energas-operated gas-fired plants and an oil-fired facility supports recovery.

Key Points

  • The national grid collapsed Saturday at 6:32 p.m. (2232 GMT) after a major plant in Nuevitas failed, triggering a cascade that left about 10 million people without power - Energy and utilities sector impacted.
  • Microsystems have been established in all provinces to restore electricity for hospitals, water supply and food distribution - Public services and healthcare impacted.
  • Two gas-fired plants operated by Energas (Varadero and Boca de Jaruco) were running and electricity reached the Santa Cruz oil-fired plant as restoration progressed - Power generation sector active in recovery.

Overview

Cuban officials reported early on Sunday that restoration efforts were underway after the nation’s electricity grid suffered a second nationwide collapse within a week. The outage occurred on Saturday evening at 6:32 p.m. (2232 GMT), when a major power station in Nuevitas, Camaguey province, failed and went offline, grid operator UNE said. That failure produced a cascading shutdown that left the island’s population, about 10 million people, without power.


Emergency measures to restore essential services

The island’s energy and mines ministry said it had established microsystems - smaller, closed circuits - across all provinces to re-energize critical infrastructure. Officials identified hospitals, water supply systems and food distribution as the primary priorities for those restored circuits. The ministry reported that Cuba’s two gas-fired plants, run by Energas, were operating in Varadero and Boca de Jaruco, and that electricity had reached the nearby Santa Cruz oil-fired plant as part of the recovery effort.


Conditions on the ground

Before dawn on Sunday, much of Havana remained in darkness. Early risers sat outside their homes, conversing with neighbors and swatting mosquitoes beneath clear skies. Cellular service and internet access were largely unavailable in most areas, leaving many residents without communication.


Recent history of outages

Cuba’s electrical system has been unstable for months, with residents accustomed to prolonged daily blackouts. This weekend’s event is the third major nationwide outage this month. A majority of the grid went down on March 4 after a key thermoelectric generating plant failed, and the system also went completely offline on Monday for reasons not explained by authorities. While the country has experienced multiple total outages in recent years, two nationwide blackouts within a single week is an unusual occurrence.


Fuel supply and international context

The government’s restoration work is occurring against a backdrop of reduced access to favorable oil supplies. The United States began measures to block oil shipments to Cuba after Washington deposed Venezuelan President Nicolas Maduro on January 3, according to the timeline reported by Cuban authorities. Venezuela had been Cuba’s most important benefactor, supplying oil on favorable terms. Since that shift, U.S. measures have included cutting off Venezuelan exports to Cuba and warning other countries of punitive tariffs should they sell oil to the island.


Blame and official positions

Cuban officials have long blamed the U.S. trade embargo for economic strains, including an aging power grid. Washington, for its part, attributes Cuba’s supply shortfalls to the structure of the island’s command-style economy. Those opposing explanations remain part of the public narrative around the country’s energy troubles.

Risks

  • Repeated failures of key thermoelectric plants and recent unexplained full outages create continued risk of further blackouts - impacts energy and public utilities.
  • Restrictions and disruptions to oil supplies, including measures that cut off Venezuelan exports to Cuba, may constrain fuel availability needed for power generation - impacts energy and transport sectors.
  • Widespread loss of cellular and internet service during outages limits communications and coordination for emergency response and commercial activity - impacts communications and commerce.

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