More than 1.3 million people were plunged into darkness early Tuesday. Failure of an underground power line is believed to be ...

Puerto Rico faces an island-wide blackout, leaving over 1.3 million residents without power on New Year’s Eve.

Puerto Rico’s energy infrastructure has struggled to recover after 2017’s Hurricane Maria, a powerful Category 4 storm.

In November, Puerto Rico’s government asked U.S. officials for permission to keep using more than a dozen portable generators ...