LUMA Energy is the private company responsible for operating and maintaining Puerto Rico's electric transmission and distribution system, as well as providing customer service for approximately 1.5 million customers across the island. Formed as a joint venture between ATCO and Quanta Services, LUMA's mission is to modernize Puerto Rico's electrical grid by improving reliability, resilience, safety, and customer experience. The company is responsible for managing transmission and distribution infrastructure, restoring power after outages, implementing grid modernization projects, and overseeing the use of federal funding for system improvements.