Cuba's capital was partially illuminated Monday night after a massive blackout that has generated a handful of protests and a stern government warning that any unrest will be punished.

Electricity outages have paralyzed an already-crippled economy, leading to shortages of everything from cash to running water.

The electrical grid's failure came a day after top government officials addressed the nation about energy infrastructure problems.

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.

Cars drive on Havana's seafront boulevard Malecon as the country's electrical grid collapsed again on Sunday, according to Cuba's energy and mines ministry, in the latest setback to the government's efforts to restore power to the island,

Cuba said it was making headway restoring power on Sunday after multiple false starts, though millions of people remain without electricity more than two days after the grid's initial collapse. The clock was ticking as Hurricane Oscar bore down on the Caribbean island on Sunday,

Many of Cuba’s power plants are outdated and inefficient; some have been in operation for over 50 years without proper maintenance. After the country’s grid collapsed when hurricane Ian hit in 2022, experts warned the government needed to urgently invest in modernizing the system.