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Report of Business Segments (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Summary of OGE Energy's Business Segments

The following tables, which include significant segment expenses, present the results of OGE Energy's business segments for the three and nine months ended September 30, 2025 and 2024.

Three Months Ended September 30, 2025		Electric Company				Other Operations				Eliminations				Total
(In millions)
Operating revenues		$	1,045.0			$	—			$	—			$	1,045.0
Fuel, purchased power and direct transmission expense			388.5				—				—				388.5
Other operation and maintenance			143.5				(0.2	)			—				143.3
Depreciation and amortization			146.7				—				—				146.7
Taxes other than income			25.2				—				—				25.2
Operating income			341.1				0.2				—				341.3
Other income (expense)			7.3				(0.7	)			(1.5	)			5.1
Interest expense			54.2				16.9				(1.5	)			69.6
Income tax expense (benefit)			51.3				(5.8	)			—				45.5
Net income (loss)		$	242.9			$	(11.6	)		$	—			$	231.3
Total assets		$	14,114.7			$	221.4			$	(78.7	)		$	14,257.4
Capital expenditures		$	229.5			$	—			$	—			$	229.5

Three Months Ended September 30, 2024		Electric Company				Other Operations				Eliminations				Total
(In millions)
Operating revenues		$	965.4			$	—			$	—			$	965.4
Fuel, purchased power and direct transmission expense			350.1				—				—				350.1
Other operation and maintenance			131.4				—				—				131.4
Depreciation and amortization			144.0				—				—				144.0
Taxes other than income			26.7				—				—				26.7
Operating income			313.2				—				—				313.2
Other income			11.6				—				(0.9	)			10.7
Interest expense			54.1				11.0				(0.9	)			64.2
Income tax expense (benefit)			45.7				(4.7	)			—				41.0
Net income (loss)		$	225.0			$	(6.3	)		$	—			$	218.7
Total assets		$	13,360.5			$	134.7			$	(19.4	)		$	13,475.8
Capital expenditures		$	244.1			$	—			$	—			$	244.1

Nine Months Ended September 30, 2025		Electric Company				Other Operations				Eliminations				Total
(In millions)
Operating revenues		$	2,534.3			$	—			$	—			$	2,534.3
Fuel, purchased power and direct transmission expense			973.6				—				—				973.6
Other operation and maintenance			391.6				0.6				—				392.2
Depreciation and amortization			424.7				—				—				424.7
Taxes other than income			82.6				—				—				82.6
Operating income (loss)			661.8				(0.6	)			—				661.2
Other income			23.2				9.5				(5.6	)			27.1
Interest expense			174.4				40.3				(5.6	)			209.1
Income tax expense (benefit)			89.0				(11.3	)			—				77.7
Net income (loss)		$	421.6			$	(20.1	)		$	—			$	401.5
Total assets		$	14,114.7			$	221.4			$	(78.7	)		$	14,257.4
Capital expenditures		$	752.7			$	—			$	—			$	752.7

Nine Months Ended September 30, 2024		Electric Company				Other Operations				Eliminations				Total
(In millions)
Operating revenues		$	2,224.8			$	—			$	—			$	2,224.8
Fuel, purchased power and direct transmission expense			776.2				—				—				776.2
Other operation and maintenance			394.0				0.2				—				394.2
Depreciation and amortization			408.7				—				—				408.7
Taxes other than income			82.6				—				—				82.6
Operating income (loss)			563.3				(0.2	)			—				563.1
Other income			28.4				3.2				(4.0	)			27.6
Interest expense			160.4				32.9				(4.0	)			189.3
Income tax expense (benefit)			71.8				(10.0	)			—				61.8
Net income (loss)		$	359.5			$	(19.9	)		$	—			$	339.6
Total assets		$	13,360.5			$	134.7			$	(19.4	)		$	13,475.8
Capital expenditures		$	794.3			$	—			$	—			$	794.3

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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No definition available.

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