Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2025

Revenues from Contract with Customers [Abstract]

Disaggregation of Revenue

The following table presents OG&E's revenues from contracts with customers disaggregated by customer classification. OG&E's operating revenues disaggregated by customer classification can be found in "OG&E (Electric Company) Results of Operations" within "Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations."

	Three Months Ended June 30,				Six Months Ended June 30,
(In millions)	2025		2024		2025		2024
Residential	$	251.3	$	239.0	$	534.9	$	460.4
Commercial		218.5		177.6		425.1		326.4
Industrial		58.4		55.2		120.0		108.2
Oilfield		52.5		47.6		111.9		97.3
Public authorities and street light		62.2		57.7		122.7		108.7
System sales revenues		642.9		577.1		1,314.6		1,101.0
Provision for rate refund		—		—		3.0		—
Integrated market		26.3		17.1		47.6		32.1
Transmission		42.1		42.5		81.9		78.1
Other		8.4		7.4		13.7		15.5
Revenues from contracts with customers	$	719.7	$	644.1	$	1,460.8	$	1,226.7