Puerto Rico is experiencing an island-wide power outage that has left more than 1 million people without electricity on New Year’s Eve.

The island’s power outage began around 5:30 a.m. Tuesday, and energy officials said it could take up to two days to restore full power. As of 10:40 a.m. Eastern, according to the energy company LUMA, 1,289,749 are without power, and 12.16% of customers have service.