Revenues from Contracts with Customers (Notes)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Revenue from Contract with Customer [Text Block]

Revenue Recognition

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

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
(In millions)	2019			2018		2019			2018
Residential	$	318.9		$	281.0	$	692.4		$	694.6
Commercial	172.9			150.8		383.7			386.6
Industrial	66.8			67.2		172.0			174.6
Oilfield	58.6			52.4		156.9			140.1
Public authorities and street light	65.7			58.7		150.2			151.5
System sales revenues	682.9			610.1		1,555.2			1,547.4
Provision for rate refund	(2.3		)	13.5		(2.9		)	(6.2		)
Integrated market	12.8			16.9		29.8			38.7
Transmission	36.7			33.2		112.6			109.2
Other	9.1			10.8		23.0			21.0
Revenues from contracts with customers	$	739.2		$	684.5	$	1,717.7		$	1,710.1