Outgoing Energy Secretary Jennifer Granholm took one last trip to Puerto Rico on Friday to promote solar power on the ...

San Juan, Puerto Rico — Power was restored to nearly all electrical customers across Puerto Rico on Wednesday after a massive blackout left more than 1.2 million of the U.S. territory's 1.47 ...

Puerto Rico is a political paradox: part of the United States but distinct from it, enjoying citizenship but lacking full political representation, and infused with its own brand of nationalism ...

Puerto Rico was once again plunged into darkness by the latest failure of its troubled power grid on Tuesday. Power went out across the territory starting at 5:30 a.m. according to LUMA Energy ...

SAN JUAN, Puerto Rico — A blackout hit nearly all of Puerto Rico early Tuesday as the U.S. territory prepared to celebrate New Year's, leaving more than 1.3 million clients in the dark.