For as long as 55-year-old Hopi Chairman Tim Nuvangyaoma has been alive, high-voltage power lines have cut across Hopi lands in northeast Arizona, carrying vast amounts of power long distances throughout the Southwest.

But residents of the Hopi Reservation have never been connected to that grid. Instead, tribal members have relied on a single power line that runs roughly 30 miles east and west across high desert punctuated by three distinctive mesas, home to 12 distinct villages, including some of the oldest inhabited communities in the United States.