Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 23.4	$ 54.6
Restricted cash	2.0	29.0
Accounts receivable, net	111.4	135.1
Inventories	28.7	77.2
Taxes applicable to subsequent years	19.6	81.0
Regulatory assets, current	4.5	0.1
Other prepayments and current assets	23.4	31.8
Assets Held-for-sale, Not Part of Disposal Group, Current	57.0	0.0
Total current assets	270.0	408.8
Property, plant & equipment:
Property, plant & equipment	1,963.5	1,985.6
Less: Accumulated depreciation and amortization	(372.6)	(334.8)
Property, plant and equipment, net of depreciation	1,590.9	1,650.8
Construction work in process	70.8	116.4
Total net property, plant & equipment	1,661.7	1,767.2
Other non-current assets:
Regulatory assets, non-current	209.4	203.9
Intangible assets, net of amortization	19.7	22.7
Other deferred assets	13.5	16.6
Total other non-current assets	242.6	243.2
Total assets	2,174.3	2,419.2
Current liabilities:
Current portion of long-term debt	29.7	29.7
Short-term debt	65.0	0.0
Accounts payable	61.3	113.9
Accrued taxes	169.9	185.1
Accrued interest	26.8	17.7
Security deposits	16.4	15.2
Regulatory liabilities, current	20.0	33.7
Insurance and claims costs	5.4	5.4
Other current liabilities	31.5	50.2
Liabilities Held for Sale, Current	7.0	0.0
Total current liabilities	433.0	450.9
Non-current liabilities:
Long-term debt	1,712.2	1,828.7
Deferred taxes	254.6	252.4
Taxes payable	3.6	84.6
Regulatory liabilities, non-current	134.5	130.4
Pension, retiree and other benefits	100.7	101.6
Asset Retirement Obligations, Noncurrent	132.5	138.8
Other deferred credits	14.0	19.4
Total non-current liabilities	2,352.1	2,555.9
Commitments and contingencies
Common shareholder's equity:
Common stock	0.0	0.0
Other paid-in capital	2,233.3	2,233.0
Accumulated other comprehensive income	6.1	0.3
Retained earnings/ (deficit)	(2,850.2)	(2,820.9)
Total common shareholder's equity	(610.8)	(587.6)
Total liabilities and shareholder's equity	2,174.3	2,419.2
THE DAYTON POWER AND LIGHT COMPANY [Member]
Current assets:
Cash and cash equivalents	15.3	1.6
Restricted cash	2.0	29.0
Accounts receivable, net	107.9	134.6
Inventories	26.9	75.8
Taxes applicable to subsequent years	19.2	79.2
Regulatory assets, current	4.5	0.1
Other prepayments and current assets	21.8	32.4
Assets Held-for-sale, Not Part of Disposal Group, Current	57.0	0.0
Total current assets	254.6	352.7
Property, plant & equipment:
Property, plant & equipment	2,345.4	2,398.6
Less: Accumulated depreciation and amortization	(1,060.6)	(1,047.9)
Property, plant and equipment, net of depreciation	1,284.8	1,350.7
Construction work in process	52.3	89.9
Total net property, plant & equipment	1,337.1	1,440.6
Other non-current assets:
Regulatory assets, non-current	209.4	203.9
Intangible assets, net of amortization	19.9	23.0
Other deferred assets	12.3	14.9
Total other non-current assets	241.6	241.8
Total assets	1,833.3	2,035.1
Current liabilities:
Current portion of long-term debt	4.7	4.7
Short-term debt	15.0	5.0
Accounts payable	56.6	110.5
Accrued taxes	59.2	75.7
Accrued interest	0.8	2.1
Security deposits	16.4	15.2
Regulatory liabilities, current	20.0	33.7
Other current liabilities	31.0	48.3
Liabilities Held for Sale, Current	6.0	0.0
Total current liabilities	209.7	295.2
Non-current liabilities:
Long-term debt	643.3	744.7
Deferred taxes	155.1	146.3
Taxes payable	4.8	84.1
Regulatory liabilities, non-current	134.5	130.4
Pension, retiree and other benefits	100.7	101.6
Asset Retirement Obligations, Noncurrent	131.0	135.2
Unamortized investment tax credit	16.1	17.7
Other deferred credits	12.4	17.6
Total non-current liabilities	1,197.9	1,377.6
Commitments and contingencies
Common shareholder's equity:
Common stock	0.4	0.4
Other paid-in capital	791.9	810.7
Accumulated other comprehensive income	(33.9)	(42.5)
Retained earnings/ (deficit)	(332.7)	(406.3)
Total common shareholder's equity	425.7	362.3
Total liabilities and shareholder's equity	$ 1,833.3	$ 2,035.1