// Risk Intelligence
| Risk Score | 6 / 10 Moderate |
| Facility Type | ⚡ Power Plant / Substation |
| Operator / Branch | Arizona Public Service |
| Host County | Navajo County AZ |
| Nearest City | Pepperell MA |
| Primary Risk Radius | 5 miles |
| Secondary Risk Radius | 20 miles |
// Strategic Significance
The Cholla Power Plant in Joseph City Arizona is a coal-fired power plant on the Navajo Corridor that has been progressively retiring units. Coal plant retirements in the Southwest are creating grid transition challenges as replacement renewable energy and transmission infrastructure develops. The high desert location and limited water resources create operational constraints.
// Civilian Impact Assessment
Navajo County with 110,000 residents. Coal plant retirements in the Southwest create grid transition challenges. The Arizona grid is undergoing significant transformation as coal plants retire and renewables expand. Water scarcity in the high desert creates operational constraints.
// Evacuation & Shelter Guidance
I-40, AZ Route 99, Navajo Drive. Navajo County Emergency Management coordinates grid transition protocols.