Business Segments (Tables)

6 Months Ended

Jun. 30, 2025

Segment Reporting Information [Line Items]

Financial Reporting for Reportable Business Segments

The following tables present financial information for DPL’s reportable business segment:

$ in millions	Utility		Other		Adjustments and Eliminations		DPL Consolidated
Three months ended June 30, 2025
Revenue from external customers	$	227.4	$	2.5	$	—	$	229.9
Intersegment revenue	0.2		1.2		(1.4)		—
Total revenue	227.6		3.7		(1.4)		229.9
Operating costs and expenses
Net purchased power	82.5		0.5		(0.2)		82.8
Operation and maintenance	64.8		1.9		(1.2)		65.5
Depreciation and amortization	29.0		0.6		—		29.6
Taxes other than income taxes	27.7		0.1		—		27.8
Interest expense, net	13.7		6.2		—		19.9
Other segment items (a)	0.4		(1.4)		—		(1.0)
Income / (loss) before income tax	9.5		(4.2)		—		5.3
Income tax expense / (benefit)	4.0		(1.0)		—		3.0
Net income / (loss)	$	5.5	$	(3.2)	$	—	$	2.3
(a) Other segment items primarily includes AFUDC equity and other miscellaneous gains and losses in Other income / (expense), net.
Capital expenditures	$	72.2	$	0.8	$	—	$	73.0
$ in millions	Utility		Other		Adjustments and Eliminations		DPL Consolidated
Three Months Ended June 30, 2024

Revenue from external customers	$	206.7	2.5		$	—	$	209.2
Intersegment revenue	0.2		1.3		(1.5)		—
Total revenue	206.9		3.8		(1.5)		209.2
Operating costs and expenses
Net purchased power	69.2		0.6		(0.3)		69.5
Operation and maintenance	60.8		1.5		(1.2)		61.1
Depreciation and amortization	20.7		0.4		—		21.1
Taxes other than income taxes	26.9		0.2		—		27.1
Interest expense, net	11.7		9.0		0.1		20.8
Other segment items (a)	(1.3)		(0.5)		(0.1)		(1.9)
Income / (loss) before income tax	18.9		(7.4)		—		11.5
Income tax expense / (benefit)	3.8		(2.5)		—		1.3
Net income / (loss)	$	15.1	$	(4.9)	$	—	$	10.2
(a) Other segment items primarily includes AFUDC equity and other miscellaneous gains and losses in Other income / (expense), net.
Capital expenditures	$	115.0	$	(0.5)	$	—	$	114.5
$ in millions	Utility		Other		Adjustments and Eliminations		DPL Consolidated
Six months ended June 30, 2025
Revenue from external customers	$	479.2	$	5.0	$	—	$	484.2
Intersegment revenue	0.5		2.4		(2.9)		—
Total revenue	479.7		7.4		(2.9)		484.2
Operating costs and expenses
Net purchased power	177.3		1.1		(0.5)		177.9
Operation and maintenance	128.7		4.7		(2.4)		131.0
Depreciation and amortization	57.8		1.0		—		58.8
Taxes other than income taxes	63.9		0.2		—		64.1
Interest expense, net	28.4		15.4		—		43.8
Other segment items (a)	1.7		(2.1)		—		(0.4)
Income / (loss) before income tax	21.9		(12.9)		—		9.0
Income tax expense / (benefit)	5.7		(1.7)		—		4.0
Net income / (loss)	$	16.2	$	(11.2)	$	—	$	5.0
(a) Other segment items primarily includes AFUDC equity and other miscellaneous gains and losses in Other income / (expense), net.

Capital expenditures	$	157.5	$	0.8	$	—	$	158.3
$ in millions	Utility		Other		Adjustments and Eliminations		DPL Consolidated
Six months ended June 30, 2024
Revenue from external customers	$	430.8	$	4.8	$	—	$	435.6
Intersegment revenue	0.4		2.5		(2.9)		—
Total revenue	431.2		7.3		(2.9)		435.6
Operating costs and expenses
Net purchased power	158.7		1.0		(0.5)		159.2
Operation and maintenance	121.5		2.9		(2.4)		122.0
Depreciation and amortization	42.8		0.9		—		43.7
Taxes other than income taxes	56.1		0.2		—		56.3
Interest expense, net	22.9		18.0		0.2		41.1
Other segment items(a)	(1.4)		(0.8)		(0.2)		(2.4)
Income / (loss) before income tax	30.6		(14.9)		—		15.7
Income tax expense / (benefit)	6.1		(3.2)		—		2.9
Net income / (loss)	$	24.5	$	(11.7)	$	—	$	12.8
(a) Other segment items primarily includes AFUDC equity and other miscellaneous gains and losses in Other income / (expense), net.
Capital expenditures	$	288.1	$	1.0	$	—	$	289.1

Total Assets ($ in millions)	June 30, 2025		December 31, 2024
Utility	$	3,462.6	$	3,355.2
All Other (a)	58.4		62.2
DPL Consolidated	$	3,521.0	$	3,417.4