Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 24.5	$ 54.6
Restricted cash	1.9	29.0
Accounts receivable, net	98.7	135.1
Inventories	24.5	77.2
Taxes applicable to subsequent years	73.8	81.0
Regulatory assets, current	23.9	0.1
Other prepayments and current assets	27.9	31.8
Assets held for sale - current	250.3	0.0
Total current assets	525.5	408.8
Property, plant and equipment:
Property, plant and equipment	1,554.7	1,985.6
Less: Accumulated depreciation and amortization	(278.6)	(334.8)
Property, plant and equipment, net of depreciation	1,276.1	1,650.8
Construction work in process	48.8	116.4
Total net property, plant and equipment	1,324.9	1,767.2
Other non-current assets:
Regulatory assets, non-current	163.2	203.9
Intangible assets, net of amortization	21.1	22.7
Other deferred assets	14.5	16.6
Total other non-current assets	198.8	243.2
Total Assets	2,049.2	2,419.2
LIABILITIES AND SHAREHOLDER'S EQUITY
Current portion - long-term debt	4.7	29.7
Short-term debt	10.0	0.0
Accounts payable	70.1	113.9
Accrued taxes	80.0	185.1
Accrued interest	16.4	17.7
Customer security deposits	21.8	15.2
Regulatory liabilities, current	14.8	33.7
Insurance and claims costs	3.0	5.4
Other current liabilities	42.8	50.2
Liabilities held for sale - current	13.2	0.0
Total current liabilities	276.8	450.9
Non-current liabilities:
Long-term debt	1,700.4	1,828.7
Deferred taxes	111.2	252.4
Taxes payable	77.4	84.6
Regulatory liabilities, non-current	221.2	130.4
Pension, retiree and other benefits	101.0	101.6
Asset Retirement Obligations, Noncurrent	131.2	138.8
Other deferred credits	14.3	19.4
Total non-current liabilities	2,356.7	2,555.9
Commitments and contingencies
Common shareholder's equity:
Common stock	0.0	0.0
Other paid-in capital	2,330.4	2,233.0
Accumulated other comprehensive income/(loss)	0.8	0.3
Retained earnings / (deficit)	(2,915.5)	(2,820.9)
Total common shareholder's equity	(584.3)	(587.6)
Total Liabilities and Shareholder's Equity	2,049.2	2,419.2
THE DAYTON POWER AND LIGHT COMPANY [Member]
Current assets:
Cash and cash equivalents	5.2	1.6
Restricted cash	0.4	0.0
Accounts receivable, net	70.8	99.8
Inventories	7.3	9.3
Taxes applicable to subsequent years	71.1	67.9
Regulatory assets, current	23.9	0.1
Other prepayments and current assets	14.6	9.5
Assets held for sale - current	0.0	324.6
Total current assets	193.3	512.8
Property, plant and equipment:
Property, plant and equipment	2,247.2	2,213.5
Less: Accumulated depreciation and amortization	(987.3)	(968.9)
Property, plant and equipment, net of depreciation	1,259.9	1,244.6
Construction work in process	41.5	39.3
Total net property, plant and equipment	1,301.4	1,283.9
Other non-current assets:
Regulatory assets, non-current	163.2	203.9
Intangible assets, net of amortization	18.8	22.1
Other deferred assets	12.7	12.4
Total other non-current assets	194.7	238.4
Total Assets	1,689.4	2,035.1
LIABILITIES AND SHAREHOLDER'S EQUITY
Current portion - long-term debt	4.6	4.6
Short-term debt	10.0	5.0
Accounts payable	46.6	55.7
Accrued taxes	70.1	72.2
Accrued interest	0.8	2.1
Customer security deposits	21.8	15.2
Regulatory liabilities, current	14.8	33.7
Other current liabilities	12.9	15.2
Liabilities held for sale - current	0.0	157.7
Total current liabilities	181.6	361.4
Non-current liabilities:
Long-term debt	642.0	731.5
Deferred taxes	131.0	266.9
Taxes payable	75.8	72.8
Regulatory liabilities, non-current	221.2	130.4
Pension, retiree and other benefits	91.1	93.4
Unamortized investment tax credit	0.9	1.1
Asset Retirement Obligations, Noncurrent	8.0	8.2
Other deferred credits	7.1	7.1
Total non-current liabilities	1,177.1	1,311.4
Commitments and contingencies
Common shareholder's equity:
Common stock	0.4	0.4
Other paid-in capital	685.8	810.7
Accumulated other comprehensive income/(loss)	(36.2)	(42.5)
Retained earnings / (deficit)	(319.3)	(406.3)
Total common shareholder's equity	330.7	362.3
Total Liabilities and Shareholder's Equity	$ 1,689.4	$ 2,035.1