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Common Equity (Tables)

6 Months Ended

Jun. 30, 2026

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)		2026				2025				2026				2025
Net income		$	116.3			$	107.5			$	166.5			$	170.2
Average common shares outstanding:
Basic average common shares outstanding			206.5				201.3				206.4				201.3
Effect of dilutive securities:
Contingently issuable shares (performance and restricted stock units)			0.7				0.8				0.6				0.7
Forward equity sale agreements			0.6				—				0.5				—
Diluted average common shares outstanding			207.8				202.1				207.5				202.0
Basic earnings per average common share		$	0.56			$	0.53			$	0.81			$	0.85
Diluted earnings per average common share		$	0.56			$	0.53			$	0.80			$	0.84
Anti-dilutive shares excluded from earnings per share calculation			—				—				—				—

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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