The Puerto Rican military outpost founded in 1521 is not only the oldest city in the U.S., but it's vibrant with color, ...

We rank the 9 Best Places to Visit in Puerto Rico. See which places our readers like the best, and vote for your favorites.

Vee – eh – kees That’s the way to say the name of the island eight miles off the coast of Puerto Rico, calm enough for ...

In “Part 2: Why the Bailer Hill microgrid,” OPALCO described why that site was chosen and the benefits of pairing solar power arrays with farming. OPALCO sees projects like the Bailer Hill microgrid ...