Recent storms highlight advantages of microgrids, improved maintenance, and more upgrades to limit power outages.

Cuba`s electrical grid collapsed again early on Saturday morning, state-run media reported, plunging the entire country into blackout for a second time just hours after authorities announced they had begun reestablishing service.

The Cuban people have been left in the dark after their nation's electrical grid collapsed Friday. "It was really frustrating because we don't know how long it will last," Omar McKenzie, a Cuban resident in Havana told CBS News Miami.

Cuba's national grid collapsed on Friday, leaving the entire population of 10 million people without electricity and underscoring the precarious state of the Communist-run country's infrastructure and economy.

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 is reportedly working to reestablish electrical service across the country after the national grid collapsed for the second time since midday Friday.

Cuba’s electrical grid went offline after one of the island’s major power plants failed, the energy ministry said. Authorities on Friday said all classes have been suspended and that they will shut down some state-owned workplaces.

The majority of Cubans remain without power for the third day in a row after fresh attempts to restore electricity failed overnight

Cuba's electrical grid collapsed again on Sunday, the fourth such failure in 48 hours, raising fresh doubts about a quick fix on an island already suffering from severe shortages of food, fuel and medicine.