Debt and Liquidity Matters (Tables)

6 Months Ended

Jun. 30, 2025

Debt Disclosure [Abstract]

Schedule of Estimated Fair Value of Long-Term Debt, Including Current Maturities

The following table presents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):

	As of June 30, 2025				As of December 31, 2024
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Pinnacle West	$	1,663,965	$	1,733,083	$	1,367,770	$	1,393,744
APS	7,193,037		6,321,922		7,490,878		6,525,248
Total	$	8,857,002	$	8,055,005	$	8,858,648	$	7,918,992