Common Equity (Tables)

6 Months Ended

Jun. 30, 2025

Equity [Abstract]

Schedule of Earnings Per Share Basic and Diluted

The following table presents the calculation of basic and diluted earnings per share for OGE Energy.

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In millions, except per share data)	2025		2024		2025		2024
Net income	$	107.5	$	102.3	$	170.2	$	120.9
Average common shares outstanding:
Basic average common shares outstanding		201.3		200.8		201.3		200.6
Effect of dilutive securities:
Contingently issuable shares (performance and restricted stock units)		0.8		0.6		0.7		0.4
Diluted average common shares outstanding		202.1		201.4		202.0		201.0
Basic earnings per average common share	$	0.53	$	0.51	$	0.85	$	0.60
Diluted earnings per average common share	$	0.53	$	0.51	$	0.84	$	0.60
Anti-dilutive shares excluded from earnings per share calculation		—		—		—		—