CubaDebate, one of the islands state-run media outlets, said Cuba`s grid operator, UNE, had reported at 6:15AM the "total disconnection of the national electro-energetic system." "The Electric Union is working on its reestablishment,

Cuba’s electrical grid went down Friday after one of the island’s major power plants failed, a day after a massive blackout swept across the Caribbean island and with no official estimate for when service will be restored.

Cuba's government blames weeks of worsening blackouts on deteriorating infrastructure, fuel shortages and rising demand.

Cuba's electrical grid went down after one of the island's major power plants failed, leaving millions without power.