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Pinnacle West is a holding company whose principal subsidiary is Arizona Public Service, a vertically integrated electric utility serving approximately 1.4 million customers across a 35,000-square-mile territory in central Arizona, including the Phoenix area. APS owns or leases 6.5 gigawatts of power generation capacity, including a 29% ownership stake in one of the largest nuclear plants in the US, Palo Verde. Half of the electricity that APS supplies to customers comes from clean energy sources, including nuclear.
| 24 hours | 5 days | 1 month | YTD | 1 year | All time |
|---|---|---|---|---|---|
Down 0.28 percent | Down 0.52 percent | Down 3.57 percent | Up 9.10 percent | Up 8.98 percent | Up 172.79 percent |