Friday’s total blackout came after the Antonio Guiteras power plant in Matanzas – the largest on the island – went offline.
President Miguel Díaz-Canel Bermúdez said the situation was his “absolute priority”.
“There will be no rest until power is restored,” he wrote on X., external
Earlier on Friday, officials announced that all schools and nonessential activities, including nightclubs, were to close until Monday.
Non-essential workers were urged to stay home to safeguard electricity supply, and non-vital government services were suspended.
Cubans have also been urged to switch off high-consumption appliances during peak hours, such as fridges and ovens, according to local media.
