More than 400,000 Puerto Ricans left without water service as power company scrambles to restore critical facilities.

An island-wide blackout hit Puerto Rico this week, leaving 1.4 million customers without power and more than 400,000 without ...

Nearly 620,000 are still without power in Puerto Rico on Thursday, more than 24 hours after the entire island lost ...

Puerto Rico has long dealt with chronic power infrastructure issues, with the last major blackout on New Year's Eve taking ...

Crews are working to restore power to Puerto Rico after a blackout across the entire island affected the main airport, ...

More than half of LUMA Energy customers in Puerto Rico have had their power restored after an island-wide blackout hit the territory on Wednesday, the power company announced in a statement late ...

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

Crews worked early Thursday morning to restore power to Puerto Rico after yet another entire-island blackout. The outage ...

Research recommends a host of policy changes at PJM, the power grid operator for Maryland and a dozen other states.

Josué Colón, the island's energy lead and ex-head of Puerto Rico's Electric Power Authority, called the situation "unacceptable." ...

An island-wide blackout has hit Puerto Rico as the largely Catholic residents of the U.S. territory prepared to celebrate the Easter weekend ...