Josué Colón Ortiz, Puerto Rico’s energy czar and executive director of the Public-Private Partnerships Authority By THE STAR STAFF Josué Colón Ortiz, Puerto Rico’s energy czar and executive director of the Public-Private Partnerships Authority, has announced the arrival of the first shipment of state-of-the-art power generation units. The new units, capable of operating on both natural gas and diesel, are expected to add some 150 megawatts to the island’s electricity supply. Colón Ortiz,…