Public Service Company of New Mexico operates as an electricity utility, handling the generation, transmission, and distribution of power for its regulated customer base. The firm also extends its transmission infrastructure to third-party users and produces electricity for sale within the wholesale market. Geographically, Public Service Company of New Mexico conducts its operations throughout the state of New Mexico, providing direct retail electric service to residents in north-central New Mexico, which includes major cities like Albuquerque, Rio Rancho, and Santa Fe, as well as various communities in the southern part of the state.