This Aug. 24, 2017, photo provided by Navajo Nation Office of the President and Vice President shows solar panels near famed sandstone buttes along the Arizona-Utah border on the Navajo Nation. The Kayenta Solar Facility is the first utility-scale solar project on the reservation, producing enough electricity to power about 13,000 Navajo homes. (Antonio Ramirez/Navajo Nation Office of the President and Vice President via AP)