Navajo Tribal Utility Authority Overview
NTUA
Navajo Tribal Utility Authority is an enterprise owned by the Navajo Nation since 1959. NTUA has 850 Employees which over 97% are Navajo Descent.
Non-Profit
NTUA is a not-for-profit tribal enterprise, which puts an emphasis on safety and customer service.
Local Presence
Headquarters located in Fort Defiance, AZ with six (6) District Offices & three (3) Sub-Offices that serve as regional business centers for customer service.
Multi-Utilities
NTUA provides electricity, natural gas, water, wastewater treatment, off-grid residential solar power and solar generation, and multiple Communications services to the Navajo Nation.
NTUA strongly believes that communications is a basic utility required for convenience, education, safety and economic development.
Navajo Tribal Utility Authority®
Navajo Tribal Utility Authority • P.O. Box 170, Fort Defiance, AZ 86504 • Phone: 1-800-528-5011 Copyright © 2025 NTUA - A proud Enterprise of the Navajo Nation