Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2018

Entity Information [Line Items]

Schedule of Related Party Transactions

The following table provides a summary of our related party transactions:

	Years ended December 31,
$ in millions	2018			2017			2016
Transactions with the Service Company
Charges for services provided	$	41.0		$	46.5		$	42.8
Charges to the Service Company	$	4.9		$	4.2		$	4.6
Transactions with other AES affiliates:
Payments for health, welfare and benefit plans	$	7.9		$	15.4		$	9.6
Consulting services	$	2.0		$	—		$	—
Balances with related parties:	At December 31, 2018			At December 31, 2017
Net payable to the Service Company	$	(4.8	)	$	(3.9	)
Net payable to other AES affiliates	$	(0.5	)	$	(0.6	)

THE DAYTON POWER AND LIGHT COMPANY [Member]

Entity Information [Line Items]

Schedule of Related Party Transactions

The following table provides a summary of our related party transactions:

	Years ended December 31,
$ in millions	2018			2017			2016
DP&L Cost of revenues:
Fuel and power purchased from AES Ohio Generation	$	—		$	5.4		$	8.7
DP&L Operation & Maintenance Expenses:
Premiums charged for insurance services provided by MVIC (a)	$	2.7		$	3.1		$	3.4
Transactions with the Service Company:
Charges for services provided	$	25.7		$	39.0		$	38.7
Charges to the Service Company	$	4.9		$	4.2		$	4.5
Transactions with other AES affiliates:
Charges for health, welfare and benefit plans	$	8.7		$	14.3		$	9.4
Charges to affiliates for non-power goods or services (b)	$	7.1		$	3.7		$	5.7
Consulting services	$	2.0		$	—		$	—
Balances with related parties:	At December 31, 2018			At December 31, 2017
Net payable to the Service Company	$	(4.8	)	$	(3.9	)
Net receivable from / (payable) to other AES affiliates	$	(0.5	)	$	4.8

(a) MVIC, a wholly-owned captive insurance subsidiary of DPL, provides insurance coverage to DP&L and other DPL subsidiaries for workers’ compensation, general liability, property damages and directors’ and officers’ liability. These amounts represent insurance premiums charged by MVIC to DP&L.

(b) In the normal course of business DP&L incurred and recorded expenses on behalf of DPL affiliates. Such expenses included but were not limited to employee-related expenses, accounting, information technology, payroll, legal and other administration expenses. DP&L subsequently charged these expenses to the affiliates at DP&L’s cost and credited the expense in which they were initially recorded.