Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of earnings per weighted average common share outstanding

The following table presents the calculation of Pinnacle West’s basic and diluted earnings per share (in thousands, except per share amounts):

	2021		2020		2019
Net income attributable to common shareholders	$	618,720	$	550,559	$	538,320
Weighted average common shares outstanding — basic	112,910		112,666		112,443
Net effect of dilutive securities:
Contingently issuable performance shares and restricted stock units	282		276		315
Weighted average common shares outstanding — diluted	113,192		112,942		112,758
Earnings per weighted-average common share outstanding
Net income attributable to common shareholders — basic	$	5.48	$	4.89	$	4.79
Net income attributable to common shareholders — diluted	$	5.47	$	4.87	$	4.77