Generation Separation (Tables)

12 Months Ended

Dec. 31, 2019

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Summary of Balance Sheet and Profit and Loss Information for Discontinued Operations

The following table summarizes the major categories of assets and liabilities at the dates indicated:

$ in millions	December 31, 2019		December 31, 2018
Accounts receivable, net	17.4		4.0
Taxes applicable to subsequent years	—		2.3
Prepayments and other current assets	0.3		2.4
Intangible assets, net of amortization	—		5.3
Total assets of the disposal group classified as assets of discontinued operations and held-for-sale businesses in the balance sheets	$	17.7	$	14.0
Accounts payable	$	3.8	$	3.9
Accrued taxes	—		3.1
Accrued and other current liabilities	3.1		5.2
Deferred income taxes (a)	—		(39.8		)
Taxes payable	—		2.3
Accrued pension and other post-retirement benefits	—		9.7
Asset retirement obligations	—		90.4
Other non-current liabilities	6.2		6.6
Total liabilities of the disposal group classified as liabilities of discontinued operations and held-for-sale businesses in the balance sheets	$	13.1	$	81.4

(a) Deferred income taxes represent the tax asset position of the discontinued group of components, which were netted with liabilities on DPL prior to classification as discontinued operations.

The following table summarizes the revenues, operating costs, other expenses and income tax of discontinued operations for the periods indicated:

	Years ended December 31,
$ in millions	2019		2018			2017
Revenues	$	51.4	$	158.6		$	492.9
Operating costs and other expenses	3.6		(88.1		)	(444.5		)
Fixed-asset impairment	—		—			(175.8		)
Income / (loss) from discontinued operations	55.0		70.5			(127.4		)
Gain / (loss) from disposal of discontinued operations	20.1		(1.6		)	14.0
Income tax expense / (benefit) from discontinued operations	15.6		30.0			(20.3		)
Net income / (loss) from discontinued operations	$	59.5	$	38.9		$	(93.1	)

THE DAYTON POWER AND LIGHT COMPANY [Member]

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Summary of Balance Sheet and Profit and Loss Information for Discontinued Operations

The following table summarizes the carrying amounts of DP&L's Generation assets that were transferred to AES Ohio Generation on October 1, 2017:

$ in millions	October 1, 2017
ASSETS
Restricted cash	$	2.0
Accounts receivable, net	31.3
Inventories	42.0
Taxes applicable to subsequent years	1.8
Property, plant & equipment, net	87.0
Intangible assets, net of amortization	0.7
Other assets	15.5
Total assets	$	180.3
LIABILITIES
Accounts payable	$	12.4
Accrued taxes (b)	(3.9		)
Long-term debt (a)	0.3
Deferred income taxes (b)	(91.9		)
Accrued pension and other post-retirement benefits	9.6
Unamortized investment tax credit	15.1
Asset retirement obligations	126.3
Other liabilities	24.1
Total liabilities	92.0
Total accumulated other comprehensive income	2.1
Net assets transferred to AES Ohio Generation	$	86.2

(a) Long-term debt that transferred to AES Ohio Generation relates to capital leases.

(b) Accrued taxes and deferred income taxes transferred to AES Ohio Generation represent the tax asset position netted with liabilities on DP&L prior to Generation Separation.

DP&L's generation business met the criteria to be classified as a discontinued operation, and, accordingly, the historical activity has been reclassified to "Discontinued operations" in the Statements of Operations for the year ended December 31, 2017.

The following table summarizes the revenues, operating costs, other expenses and income tax of discontinued operations for the period indicated:

	Year ended December 31,
$ in millions	2017
Revenues	$	358.4
Operating costs and other expenses	(348.4		)
Fixed-asset impairment	(66.3		)
Loss from discontinued operations	(56.3		)
Income tax benefit from discontinued operations	(15.9		)
Net loss from discontinued operations	$	(40.4	)