The collapse follows nationwide blackouts last year that plunged Cuba's frail power-generating system into disarray.

A widespread blackout left millions of Cubans without electricity for a second consecutive night Saturday, marking the island's fourth major outage

Havana’s streets plunged into darkness once again as a general blackout hit Cuba. Writing on the social network X, Cuban PM Manuel Marrero Cruz said the government was "working tirelessly" to restore power.