Equity (Tables)

12 Months Ended

Dec. 31, 2015

Entity Information [Line Items]

Preferred Shares Outstanding

The table below details the preferred shares outstanding at December 31, 2015:

		December 31, 2015 and 2014			Carrying Value (a) ($ in millions)
	Preferred Stock Rate	Redemption price ($ per share)		Shares Outstanding	December 31, 2015		December 31, 2014
DP&L Series A	3.75%	$	102.50	93,280	$	7.4	$	7.4
DP&L Series B	3.75%	$	103.00	69,398	5.6		5.6
DP&L Series C	3.90%	$	101.00	65,830	5.4		5.4
Total				228,508	$	18.4	$	18.4

(a) Carrying value is fair value at the Merger date plus cumulative accrued dividends, of which there were none at December 31, 2015 and 2014.

THE DAYTON POWER AND LIGHT COMPANY [Member]

Entity Information [Line Items]

Preferred Shares Outstanding

The table below details the preferred shares outstanding at December 31, 2015 and 2014:

		December 31, 2015 and 2014			Par Value ($ in millions)
	Preferred Stock Rate	Redemption price ($ per share)		Shares Outstanding	December 31, 2015		December 31, 2014
DP&L Series A	3.75%	$	102.50	93,280	$	9.3	$	9.3
DP&L Series B	3.75%	$	103.00	69,398	7.0		7.0
DP&L Series C	3.90%	$	101.00	65,830	6.6		6.6
Total				228,508	$	22.9	$	22.9