PNW · 8-K · 20260804PR000040

Manufacturing and Capacity

PINNACLE WEST CAPITAL CORP · 2026-08-04 · Importance 31 · Surprise 42

APS plans to convert two retired coal-fired units at the Cholla Power Plant near Joseph City, Arizona, to natural gas. The project is expected to return approximately 380 MW of reliable, dispatchable generation by 2029, enough to serve about 61,000 Arizona homes. APS plans to reuse existing infrastructure and transmission facilities to support rising energy demand and grid reliability while complementing renewable resources.

Key facts

• Pinnacle West has consolidated assets of about $32.6 billion. source
• The approximately 380 MW from the Cholla project is described as enough to power about 61,000 Arizona homes. source
• Pinnacle West has about 6,200 megawatts of generating capacity. source
• Pinnacle West has approximately 6,600 employees in Arizona and New Mexico. source