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

Cuba's power grid has ground to a halt for a second time in as many days, leaving 10 million on the island without power and the Caribbean island in a growing sense of crisis.

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 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.

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.

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