The repeated failure of the power grid and a hurricane that has swamped the island’s eastern end has many Cubans fed up, posing a challenge to the Communist government.

By Monday afternoon, around 89 percent of customers in the capital had power again, however many residents outside Havana remained without electricity, according to the authorities.

Following three days of nationwide blackouts caused by the collapse of Cuba’s electrical system, power was restored to most of Havana on Monday, after Cuban authorities gave up efforts to restore the entire grid for now and opted to try to hook up individual regions around the country.

Electricity has been restored to half of Havana, the Cuban capital's power company reported Monday, four days after the start of a nationwide blackout that the authorities have struggled to

Cuba's power-grid operator said it had restored electricity to most of the capital Havana on Monday even as Tropical Storm Oscar lashed the island's eastern end, downing trees and power lines. Strong winds raked the region as the storm stalled over land,

Cubans experienced their second black out wave Saturday after government officials said they were working to restore electrical service to hospitals and crucial service centers after a grid failure on Friday.

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.