PNW · 8-K · 20260804PR000040
Regulated Capital Investment Plan
PINNACLE WEST CAPITAL CORP · 2026-08-04 · Importance 31 · Surprise 42 · In source text
APS announced plans to convert two retired coal-fired units at the Cholla Power Plant near Joseph City, Arizona, to natural gas. The conversion is expected to return approximately 380 megawatts of dispatchable generation online by 2029, enough to serve about 61,000 Arizona homes. Construction is expected to begin in 2028, subject to regulatory approvals. The project will reuse existing infrastructure and transmission facilities to address growing energy demand and support grid reliability.
Key facts
- The Cholla conversion project is expected to begin construction in 2028 and remains subject to regulatory approvals. source
- APS plans to convert two retired coal-fired units at the Cholla Power Plant to natural gas, bringing about 380 MW of reliable, dispatchable energy back online by 2029. source
Impact estimates
| metric | direction | stage | expected | basis |
|---|---|---|---|---|
| assets | positive | probable | — | APS plans to convert two retired coal-fired units at the Cholla Power Plant to natural gas, bringing about 380 MW of reliable,… |
| cash | negative | probable | — | APS plans to convert two retired coal-fired units at the Cholla Power Plant to natural gas, bringing about 380 MW of reliable,… |
| operating_income | positive | probable | — | APS plans to convert two retired coal-fired units at the Cholla Power Plant to natural gas, bringing about 380 MW of reliable,… |