Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 54.3	$ 54.6
Restricted cash	8.4	29.0
Accounts receivable, net	101.4	135.1
Inventories	60.9	77.2
Taxes applicable to subsequent years	60.7	81.0
Regulatory assets, current	0.9	0.1
Other prepayments and current assets	33.7	31.8
Total current assets	320.3	408.8
Property, plant & equipment:
Property, plant & equipment	1,953.6	1,985.6
Less: Accumulated depreciation and amortization	(355.5)	(334.8)
Property, plant and equipment, net of depreciation	1,598.1	1,650.8
Construction work in process	102.5	116.4
Total net property, plant & equipment	1,700.6	1,767.2
Other non-current assets:
Regulatory assets, non-current	206.0	203.9
Intangible assets, net of amortization	23.0	22.7
Other deferred assets	14.3	16.6
Total other non-current assets	243.3	243.2
Total assets	2,264.2	2,419.2
Current liabilities:
Current portion of long-term debt	29.7	29.7
Accounts payable	78.8	113.9
Accrued taxes	159.5	185.1
Accrued interest	33.7	17.7
Security deposits	32.8	15.2
Regulatory liabilities, current	13.7	33.7
Insurance and claims costs	6.6	5.4
Other current liabilities	40.9	50.2
Total current liabilities	395.7	450.9
Non-current liabilities:
Long-term debt	1,822.3	1,828.7
Deferred taxes	252.4	252.4
Taxes payable	44.3	84.6
Regulatory liabilities, non-current	131.6	130.4
Pension, retiree and other benefits	100.6	101.6
Asset Retirement Obligations, Noncurrent	135.6	138.8
Other deferred credits	15.4	19.4
Total non-current liabilities	2,502.2	2,555.9
Commitments and contingencies
Common shareholder's equity:
Common stock	0.0	0.0
Other paid-in capital	2,233.0	2,233.0
Accumulated other comprehensive income	5.9	0.3
Retained earnings/ (deficit)	(2,872.6)	(2,820.9)
Total common shareholder's equity	(633.7)	(587.6)
Total liabilities and shareholder's equity	2,264.2	2,419.2
THE DAYTON POWER AND LIGHT COMPANY [Member]
Current assets:
Cash and cash equivalents	4.9	1.6
Restricted cash	8.4	29.0
Accounts receivable, net	110.6	134.6
Inventories	59.5	75.8
Taxes applicable to subsequent years	59.4	79.2
Regulatory assets, current	0.9	0.1
Other prepayments and current assets	33.4	32.4
Total current assets	277.1	352.7
Property, plant & equipment:
Property, plant & equipment	2,348.1	2,398.6
Less: Accumulated depreciation and amortization	(1,057.7)	(1,047.9)
Property, plant and equipment, net of depreciation	1,290.4	1,350.7
Construction work in process	80.4	89.9
Total net property, plant & equipment	1,370.8	1,440.6
Other non-current assets:
Regulatory assets, non-current	206.0	203.9
Intangible assets, net of amortization	23.2	23.0
Other deferred assets	12.8	14.9
Total other non-current assets	242.0	241.8
Total assets	1,889.9	2,035.1
Current liabilities:
Current portion of long-term debt	4.7	4.7
Short-term debt	0.0	5.0
Accounts payable	81.0	110.5
Accrued taxes	62.5	75.7
Accrued interest	0.9	2.1
Security deposits	32.8	15.2
Regulatory liabilities, current	13.7	33.7
Other current liabilities	39.5	48.3
Total current liabilities	235.1	295.2
Non-current liabilities:
Long-term debt	744.0	744.7
Deferred taxes	152.3	146.3
Taxes payable	44.5	84.1
Regulatory liabilities, non-current	131.6	130.4
Pension, retiree and other benefits	100.6	101.6
Asset Retirement Obligations, Noncurrent	132.3	135.2
Unamortized investment tax credit	17.2	17.7
Other deferred credits	13.5	17.6
Total non-current liabilities	1,336.0	1,377.6
Commitments and contingencies
Common shareholder's equity:
Common stock	0.4	0.4
Other paid-in capital	801.8	810.7
Accumulated other comprehensive income	(35.3)	(42.5)
Retained earnings/ (deficit)	(448.1)	(406.3)
Total common shareholder's equity	318.8	362.3
Total liabilities and shareholder's equity	$ 1,889.9	$ 2,035.1