Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Instrument [Line Items]

Long-term Debt

Long-term debt
$ in millions	Interest Rate	Maturity	December 31, 2015			December 31, 2014
First mortgage bonds	1.875%	2016	$	445.0		$	445.0
Pollution control series	4.7%	2028	—			35.3
Pollution control series	4.8%	2034	—			179.1
Pollution control series	4.8%	2036	100.0			100.0
Pollution control series - rates from: 0.02% - 0.12% and 0.04% - 0.15% (a)		2040	—			100.0
Pollution control series - rates from: 1.13% - 1.17%		2020	200.0			—
U.S. Government note	4.2%	2061	18.1			18.2
Unamortized debt discounts and premiums, net			(3.6		)	(2.8		)
Total long-term debt at subsidiary			759.5			874.8
Bank term loan - rates from: 2.44% - 2.67% and 2.41% - 2.44% (a)		2020	125.0			160.0
Senior unsecured bonds	6.5%	2016	130.0			130.0
Senior unsecured bonds	6.75%	2019	200.0			200.0
Senior unsecured bonds	7.25%	2021	780.0			780.0
Note to DPL Capital Trust II (b)	8.125%	2031	15.6			15.6
Unamortized debt discounts and premiums, net			(0.7		)	(0.7		)
Subtotal			$	2,009.4		$	2,159.7
Less: current portion			(574.9		)	(20.1		)
Total			1,434.5			2,139.6

(a) Range of interest rates for the years ended December 31, 2015 and 2014, respectively.

(b) Note payable to related party. See Note 13 – Related Party Transactions for additional information.

Long-term Debt Maturities

At December 31, 2015, maturities of long-term debt are summarized as follows:

Due within the years ending December 31,
$ in millions
2016	$	575.1
2017	25.1
2018	25.1
2019	225.2
2020	250.2
Thereafter	913.0
	2,013.7
Unamortized discounts and premiums, net	(4.3		)
Total long-term debt	$	2,009.4

THE DAYTON POWER AND LIGHT COMPANY [Member]

Debt Instrument [Line Items]

Long-term Debt

Long-term debt is as follows:

Long-term debt
$ in millions	Interest Rate	Maturity	December 31, 2015			December 31, 2014
First mortgage bonds	1.875%	2016	$	445.0		$	445.0
Pollution control series	4.7%	2028	—			35.3
Pollution control series	4.8%	2034	—			179.1
Pollution control series	4.8%	2036	100.0			100.0
Pollution control series - rates from: 0.02% - 0.12% and 0.04% - 0.15% (a)		2040	—			100.0
Pollution control series - rates from: 1.13% - 1.17%		2020	200.0			—
U.S. Government note	4.2%	2061	18.1			18.2
Unamortized debt discount			(0.2		)	(0.5		)
Subtotal			762.9			877.1
Less: current portion			(444.9		)	(0.1		)
Total			$	318.0		$	877.0

Long-term Debt Maturities

At December 31, 2015, maturities of long-term debt are summarized as follows:

Due within the twelve months ending December 31,
$ in millions
2016	$	445.1
2017	0.1
2018	0.1
2019	0.2
2020	200.2
Thereafter	117.4
	763.1
Unamortized discount	(0.2		)
Total long-term debt	$	762.9