Earnings Per Share (Tables)

3 Months Ended

Mar. 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):

	Three Months Ended March 31,
	2021		2020
Net income attributable to common shareholders	$	35,641	$	29,993
Weighted average common shares outstanding — basic	112,829		112,594
Net effect of dilutive securities:
Contingently issuable performance shares and restricted stock units	264		268
Weighted average common shares outstanding — diluted	113,093		112,862
Earnings per weighted-average common share outstanding
Net income attributable to common shareholders — basic	$	0.32	$	0.27
Net income attributable to common shareholders — diluted	$	0.32	$	0.27