Private power company LUMA Energy said it could take two to three days to restore service to 90% of customers.

For over half a century, the island’s commonwealth status was justified by promises of security, stability and the material ...

Crews were reported to be making progress restoring power to Puerto Rico after an island-wide blackout that affected the main ...

Puerto Rico's hurricane-battered power grid has suffered compounding crises including hurricanes and financial problems.