Revenue (Notes)

3 Months Ended

Mar. 31, 2025

Revenue from Contract with Customer [Text Block]

REVENUE

Revenue is primarily earned from retail and wholesale electricity sales and electricity transmission and distribution delivery services. Revenue is recognized upon transfer of control to customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those goods or services. Revenue is recorded net of any taxes assessed on and collected from customers, which are remitted to the governmental authorities. For

further discussion of our Retail, Wholesale, RTO ancillary, and Capacity revenue, see Note 13. Revenue in Item 8. Financial Statements and Supplementary Data of our Form 10-K.

DPL's revenue from contracts with customers was as follows:

	Three months ended
	March 31,
$ in millions	2025		2024
Revenue from contracts with customers	$	250.8	$	224.0

The following table presents our revenue from contracts with customers and other revenue by segment for the three months ended March 31, 2025 and 2024:

$ in millions	Utility		Other		Adjustments and Eliminations		Total
	Three months ended March 31, 2025
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	136.7	$	—	$	—	$	136.7
Commercial revenue	39.8		—		—		39.8
Industrial revenue	15.7		—		—		15.7
Governmental revenue	7.0		—		—		7.0
Other (a)	2.3		—		—		2.3
Total retail revenue from contracts with customers	201.5		—		—		201.5
Wholesale revenue
Wholesale revenue from contracts with customers	9.2		—		(0.3)		8.9
RTO ancillary revenue	37.6		—		—		37.6
Capacity revenue	0.3		—		—		0.3
Miscellaneous revenue
Miscellaneous revenue from contracts with customers (b)	—		2.5		—		2.5
Other miscellaneous revenue	3.5		1.2		(1.2)		3.5
Total revenue	$	252.1	$	3.7	$	(1.5)	$	254.3
	Three months ended March 31, 2024
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	124.3	$	—	$	—	$	124.3
Commercial revenue	39.2		—		—		39.2
Industrial revenue	16.7		—		—		16.7
Governmental revenue	5.8		—		—		5.8
Other (a)	3.0		—		—		3.0
Total retail revenue from contracts with customers	189.0		—		—		189.0
Wholesale revenue
Wholesale revenue from contracts with customers	5.0		—		(0.2)		4.8
RTO ancillary revenue	27.8		—		—		27.8
Capacity revenue	0.1		—		—		0.1
Miscellaneous revenue
Miscellaneous revenue from contracts with customers (b)	—		2.3		—		2.3
Other miscellaneous revenue	2.4		1.2		(1.2)		2.4
Total revenue	$	224.3	$	3.5	$	(1.4)	$	226.4

(a)    "Other" primarily includes operation and maintenance service revenue, billing service fees from CRES providers and other miscellaneous retail revenue from contracts with customers.

(b)    Miscellaneous revenue from contracts with customers primarily includes revenue for various services provided by Miami Valley Lighting.

The balances of receivables from customers were as follows:

$ in millions	March 31, 2025		December 31, 2024
Receivables from contracts with customers	$	129.2	$	103.9

Payment terms for all receivables from contracts with customers are typically within 30 days unless a customer qualifies for payment extension. AES Ohio temporarily paused customer disconnections and certain collection efforts and write-off processes to support the implementation of AES Ohio's customer billing system upgrade in the third quarter of 2024.

Subsidiaries [Member]

Revenue from Contract with Customer [Text Block]

Revenue is primarily earned from retail and wholesale electricity sales and electricity transmission and distribution delivery services. Revenue is recognized upon transfer of control to customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those goods or services. Revenue is recorded net of any taxes assessed on and collected from customers, which are remitted to the governmental authorities. For further discussion of our Retail, Wholesale, RTO ancillary, and Capacity revenue, see Note 11. Revenue in Item 8. Financial Statements and Supplementary Data of our Form 10-K.

AES Ohio's revenue from contracts with customers was as follows:

	Three months ended
	March 31,
$ in millions	2025		2024
Revenue from contracts with customers	$	248.6	$	221.9

The following table presents our revenue from contracts with customers and other revenue for the three months ended March 31, 2025 and 2024:

	Three months ended
	March 31,
$ in millions	2025		2024
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	136.7	$	124.3
Commercial revenue	39.8		39.2
Industrial revenue	15.7		16.7
Governmental revenue	7.0		5.8
Other (a)	2.3		3.0
Total retail revenue from contracts with customers	201.5		189.0
Wholesale revenue
Wholesale revenue from contracts with customers	9.2		5.0
RTO ancillary revenue	37.6		27.8
Capacity revenue	0.3		0.1
Miscellaneous revenue	3.5		2.4
Total revenue	$	252.1	$	224.3

(a)    "Other" primarily includes operation and maintenance service revenue, billing service fees from CRES providers and other miscellaneous retail revenue from contracts with customers.

The balances of receivables from customers were as follows:

$ in millions	March 31, 2025		December 31, 2024
Receivables from contracts with customers	$	128.0	$	103.1

Payment terms for all receivables from contracts with customers are typically within 30 days unless a customer qualifies for payment extension. AES Ohio temporarily paused customer disconnections and certain collection efforts and write-off processes to support the implementation of AES Ohio's customer billing system upgrade in the third quarter of 2024.