Navopache Electric Cooperative, Inc., (NEC), is a rural electric transmission and distribution cooperative formed in 1946 and headquartered in Lakeside, Arizona. NEC provides service to 35,000 members in its 10,000 square mile service territory covering Navajo, Apache, Gila and Greenlee counties in east-central Arizona, and Catron County, New Mexico. NEC owns and operates 250 miles of 69kv transmission lines and nearly 3,000 miles of 14.4/24.9 kv distribution line, and employs approximately 100 full-time employees. NEC is an "all-requirements" wholesale power customer of the Public Service Company of New Mexico, (PNM). In 2006, NEC delivered 3.93 gigawatt hours in retail sales to its members.. Electric