A fire at Unit 1 of the Ernesto Guevara de la Serna Thermal Power Plant—located in Santa Cruz del Norte, in the western province of Mayabeque—was brought under control this morning. The incident took the unit offline and increased the projected impact on the National Electric Power System (SEN) during peak hours.
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The Electric Union (UNE) reported that the fire began at 06:55 local time and affected the plant’s Unit 1. “Unit 1 of the Ernesto Guevara de la Serna Thermal Power Plant in East Havana is currently offline due to a fire that broke out in the unit,” the organization stated on its social media channels.
According to a report by journalist Lázaro Manuel Alonso, the fire was caused by an oil leak at the front of the rotor, which was detected by the operator on duty. The swift intervention of emergency responders and the implementation of safety protocols allowed the fire to be extinguished without any loss of life or injuries.
Following the fire, the area remains under preventive surveillance. Authorities indicated that Units 2 and 3 of the power plant are being prepared to resume operations, while the efforts of the workers and emergency teams who responded to the scene have been acknowledged.
Luego de extinguido el incendio se implementan los protocolos establecidos para el restablecimiento y la evaluación de los daños.
Muchas gracias a todos los que participaron en sofocarlo.#loqueNOSUNEcompromiso https://t.co/H03yZ34A77— CTE Ernesto Guevara de la Serna (@CteEGSerna) October 16, 2026
The first text reads, “Once the fire was extinguished, established protocols for recovery and damage assessment were implemented. Many thanks to everyone who helped put it out.”
The second text reads, “Thanks to the urgent actions of the fire department—in coordination with the Electric Union and with the participation of workers, all directed by the provincial and municipal Defense Councils—the fire was successfully extinguished, with no impact on the remaining units.”
The loss of this unit has exacerbated the country’s power generation deficit. For the period of peak demand, the UNE anticipates an available capacity of only 740 megawatts (MW), against a peak demand of 2,900 MW.
In addition to the damaged unit, eight other thermal power units—out of the 16 that make up the country’s total generation capacity—remain out of service due to breakdowns or maintenance. Cuba is experiencing an energy crisis with social repercussions—manifested in prolonged daily blackouts—stemming from an obsolete electrical system and a decline in power generation capacity.
The National Electric System (SEN) is under strain as a result of the blockade imposed by the United States against Cuba for more than six decades, which prevents the country from acquiring spare parts.
Compounding this is the energy blockade imposed by U.S. President Donald Trump via an executive order in January, which threatens any country that trades fuel with the island.
🇨🇺 Cuba says U.S. economic pressure is worsening shortages of food, medicine, and other essential supplies as Washington continues to tighten sanctions and restrictions on the Caribbean island.
Cuban authorities say the measures are disrupting foreign trade and worsening… pic.twitter.com/qrUDnUYmi9
— teleSUR English (@telesurenglish) September 16, 2026
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