TONALEA, Ariz. (AP) — Tribal President Jonathan Nez has finalized a subgrant agreement between the Navajo Nation and Navajo Tribal Utility Authority to extend power lines to homes in the community of Tonalea, providing long-awaited electricity to at least …TONALEA, Ariz. (AP) — Tribal President Jonathan Nez has finalized a subgrant agreement between the Navajo Nation and Navajo Tribal Utility Authority to extend power lines to homes in the community of Tonalea, providing long-awaited electricity to at least …