Cuba’s national power grid collapsed on Friday, leaving millions of people across the island without electricity in a nationwide blackout. Cuban authorities reported that a failure in transmission lines in western Matanzas province triggered the system-wide outage, with the eastern section of the island also disconnected. The Ministry of Energy and Mines announced the blackout via its official X account and stated officials had begun activating service-restoration protocols.
By evening, power had been restored to 5% of users in Havana, which has approximately 862,000 customers, according to official data. Small power-distribution ‘micro-islands’ were being established in the provinces of Camagüey, Pinar del Río, and Granma, while emergency systems for hospitals and critical facilities were prioritized for reactivation. The U.S. Embassy in Havana confirmed the outage, noting cellphone and internet disruptions and warning that the electrical grid remains ‘increasingly unstable.’
Officials did not immediately provide a cause for the collapse, though ‘unstable’ weather conditions were cited by the official newspaper Granma as a contributing factor. The blackout marks the seventh nationwide outage this year, with the most recent occurring in early August. Even outside of these events, Cubans frequently endure rolling blackouts lasting over 30 consecutive hours.
Economic and Policy Context
The power grid’s instability has intensified amid Cuba’s severe economic crisis, which has worsened since January when the United States imposed new energy restrictions aimed at influencing Cuba’s political system. These measures block fuel imports needed to operate thermoelectric power plants and hinder the acquisition of replacement parts for aging infrastructure. Cuban authorities have not specified whether the latest restrictions directly contributed to the collapse.
The U.S. Embassy reported that scheduled power cuts occur daily in Cuba, with unscheduled outages persisting throughout the country. The embassy also noted that the grid’s vulnerability has led to more frequent and prolonged blackouts in recent months. Restoration timelines remain unknown, and officials have not provided updates on when full service might resume.
Infrastructure and Emergency Response
Cuba’s power infrastructure has been described as ‘crumbling’ by observers, with many components operating beyond their intended lifespan. The Ministry of Energy and Mines has not detailed the steps being taken to prevent future collapses, though restoration efforts are ongoing. Emergency services, including hospitals, were among the first to have power restored, with officials prioritizing critical infrastructure.
The blackout follows a pattern of increasingly frequent nationwide outages over the past two years, with regional disruptions also occurring intermittently. While partial service has been restored in some areas, the full extent of the damage and the timeline for complete recovery remain unclear.