Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 34.1	$ 54.6
Restricted cash	1.5	29.0
Accounts receivable, net	99.6	135.1
Inventories	29.3	77.2
Taxes applicable to subsequent years	41.0	81.0
Regulatory assets, current	4.3	0.1
Other prepayments and current assets	29.2	31.8
Assets Held-for-sale, Not Part of Disposal Group, Current	68.6	0.0
Total current assets	307.6	408.8
Property, plant & equipment:
Property, plant & equipment	1,953.4	1,985.6
Less: Accumulated depreciation and amortization	(357.1)	(334.8)
Property, plant and equipment, net of depreciation	1,596.3	1,650.8
Construction work in process	63.3	116.4
Total net property, plant & equipment	1,659.6	1,767.2
Other non-current assets:
Regulatory assets, non-current	209.5	203.9
Intangible assets, net of amortization	19.0	22.7
Other deferred assets	14.7	16.6
Total other non-current assets	243.2	243.2
Total assets	2,210.4	2,419.2
Current liabilities:
Current portion of long-term debt	50.9	29.7
Accounts payable	57.4	113.9
Accrued taxes	154.9	185.1
Accrued interest	17.7	17.7
Security deposits	16.9	15.2
Regulatory liabilities, current	15.0	33.7
Insurance and claims costs	5.4	5.4
Other current liabilities	34.3	50.2
Liabilities Held for Sale, Current	23.2	0.0
Total current liabilities	375.7	450.9
Non-current liabilities:
Long-term debt	1,786.7	1,828.7
Deferred taxes	257.4	252.4
Taxes payable	42.1	84.6
Regulatory liabilities, non-current	133.1	130.4
Pension, retiree and other benefits	101.8	101.6
Asset Retirement Obligations, Noncurrent	131.7	138.8
Other deferred credits	14.0	19.4
Total non-current liabilities	2,466.8	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	7.0	0.3
Retained earnings/ (deficit)	(2,872.1)	(2,820.9)
Total common shareholder's equity	(632.1)	(587.6)
Total liabilities and shareholder's equity	2,210.4	2,419.2
THE DAYTON POWER AND LIGHT COMPANY [Member]
Current assets:
Cash and cash equivalents	6.1	1.6
Restricted cash	1.5	29.0
Accounts receivable, net	95.1	134.6
Inventories	27.7	75.8
Taxes applicable to subsequent years	40.1	79.2
Regulatory assets, current	4.3	0.1
Other prepayments and current assets	28.6	32.4
Assets Held-for-sale, Not Part of Disposal Group, Current	68.6	0.0
Total current assets	272.0	352.7
Property, plant & equipment:
Property, plant & equipment	2,331.7	2,398.6
Less: Accumulated depreciation and amortization	(1,048.3)	(1,047.9)
Property, plant and equipment, net of depreciation	1,283.4	1,350.7
Construction work in process	51.1	89.9
Total net property, plant & equipment	1,334.5	1,440.6
Other non-current assets:
Regulatory assets, non-current	209.5	203.9
Intangible assets, net of amortization	19.3	23.0
Other deferred assets	13.3	14.9
Total other non-current assets	242.1	241.8
Total assets	1,848.6	2,035.1
Current liabilities:
Current portion of long-term debt	26.4	4.7
Short-term debt	0.0	5.0
Accounts payable	54.9	110.5
Accrued taxes	34.0	75.7
Accrued interest	2.1	2.1
Security deposits	16.9	15.2
Regulatory liabilities, current	15.0	33.7
Other current liabilities	33.0	48.3
Liabilities Held for Sale, Current	22.2	0.0
Total current liabilities	204.5	295.2
Non-current liabilities:
Long-term debt	713.5	744.7
Deferred taxes	157.5	146.3
Taxes payable	42.5	84.1
Regulatory liabilities, non-current	133.1	130.4
Pension, retiree and other benefits	101.8	101.6
Asset Retirement Obligations, Noncurrent	129.9	135.2
Unamortized investment tax credit	16.6	17.7
Other deferred credits	12.6	17.6
Total non-current liabilities	1,307.5	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	(33.6)	(42.5)
Retained earnings/ (deficit)	(432.0)	(406.3)
Total common shareholder's equity	336.6	362.3
Total liabilities and shareholder's equity	$ 1,848.6	$ 2,035.1