Supplemental Financial Information

3 Months Ended

Mar. 31, 2020

Supplemental Financial Information [Line Items]

Supplemental Financial Information

Supplemental Financial Information

Accounts receivable are as follows at March 31, 2020 and December 31, 2019:

	March 31,			December 31,
$ in millions	2020			2019
Accounts receivable, net:
Customer receivables	$	45.7		$	46.3
Unbilled revenue	15.9			19.4
Amounts due from affiliates	0.2			0.3
Due from PJM transmission enhancement settlement	1.8			1.8
Other	2.0			1.2
Allowance for credit losses	(0.7		)	(0.4		)
Total accounts receivable, net	$	64.9		$	68.6

The following table is a rollforward of our allowance for credit losses related to the accounts receivable balances for the three months ended March 31, 2020:

$ in millions	Beginning Allowance Balance at January 1, 2020		Current Period Provision		Write-offs Charged Against Allowances			Ending Allowance Balance at March 31, 2020
Allowance for credit losses	$	0.4	$	0.4	$	(0.1	)	$	0.7

The allowance for credit losses primarily relates to utility customer receivables, including unbilled amounts. Expected credit loss estimates are developed by disaggregating customers into those with similar credit risk characteristics and using historical credit loss experience. In addition, we also consider how current and future economic conditions would impact collectability, as applicable, including the economic impacts of the COVID-19 pandemic on our receivable balance as of March 31, 2020. Amounts are written off when reasonable collections efforts have been exhausted.

Inventories are as follows at March 31, 2020 and December 31, 2019:

	March 31,		December 31,
$ in millions	2020		2019
Inventories, at average cost:
Fuel and limestone	$	1.3	$	3.5
Materials and supplies	9.4		10.6
Total inventories, at average cost	$	10.7	$	14.1

Accumulated Other Comprehensive Income / (Loss)

The amounts reclassified out of Accumulated Other Comprehensive Income / (Loss) by component during the three months ended March 31, 2020 and 2019 are as follows:

Details about Accumulated Other Comprehensive Income / (Loss) components	Affected line item in the Condensed Consolidated Statements of Operations	Three months ended
		March 31,
$ in millions		2020			2019
Gains and losses on cash flow hedges (Note 5):
	Interest expense	$	(0.4	)	$	(0.3	)
	Income tax expense	0.1			0.1
	Net of income taxes	(0.3		)	(0.2		)
Amortization of defined benefit pension items (Note 8):
	Other expense	0.3			0.1
	Income tax benefit	—			—
	Net of income taxes	0.3			0.1
Total reclassifications for the period, net of income taxes		$	—		$	(0.1	)

The changes in the components of Accumulated Other Comprehensive Income / (Loss) during the three months ended March 31, 2020 are as follows:

$ in millions	Gains / (losses) on cash flow hedges			Change in unfunded pension and postretirement benefit obligation			Total
Balance at January 1, 2020	$	14.5		$	(18.1	)	$	(3.6	)
Other comprehensive loss before reclassifications	(0.3		)	—			(0.3		)
Amounts reclassified from AOCI to earnings	(0.3		)	0.3			—
Net current period other comprehensive income / (loss)	(0.6		)	0.3			(0.3		)
Balance at March 31, 2020	$	13.9		$	(17.8	)	$	(3.9	)

THE DAYTON POWER AND LIGHT COMPANY [Member]

Supplemental Financial Information [Line Items]

Supplemental Financial Information

Supplemental Financial Information

Accounts receivable are as follows at March 31, 2020 and December 31, 2019:

	March 31,			December 31,
$ in millions	2020			2019
Accounts receivable, net:
Customer receivables	$	44.5		$	45.0
Unbilled revenue	15.9			19.4
Amounts due from affiliates	4.6			3.9
Due from PJM transmission enhancement settlement	1.8			1.8
Other	2.1			1.2
Allowance for credit losses	(0.7		)	(0.4		)
Total accounts receivable, net	$	68.2		$	70.9

The following table is a rollforward of our allowance for credit losses related to the accounts receivable balances for the three months ended March 31, 2020:

$ in millions	Beginning Allowance Balance at January 1, 2020		Current Period Provision		Write-offs Charged Against Allowances			Ending Allowance Balance at March 31, 2020
Allowance for credit losses	$	0.4	$	0.4	$	(0.1	)	$	0.7

The allowance for credit losses primarily relates to utility customer receivables, including unbilled amounts. Expected credit loss estimates are developed by disaggregating customers into those with similar credit risk characteristics and using historical credit loss experience. In addition, we also consider how current and future economic conditions would impact collectability, as applicable, including the economic impacts of the COVID-19 pandemic on our receivable balance as of March 31, 2020. Amounts are written off when reasonable collections efforts have been exhausted.

Inventories are made up of materials and supplies at March 31, 2020 and December 31, 2019.

Accumulated Other Comprehensive Income / (Loss)

The amounts reclassified out of Accumulated Other Comprehensive Loss by component during the three months ended March 31, 2020 and 2019 are as follows:

Details about Accumulated Other Comprehensive Income / (Loss) components	Affected line item in the Condensed Statements of Operations	Three months ended
		March 31,
$ in millions		2020			2019
Gains and losses on cash flow hedges (Note 5):
	Interest expense	$	(0.1	)	$	(0.1	)
	Income tax expense	—			—
	Net of income taxes	(0.1		)	(0.1		)
Amortization of defined benefit pension items (Note 8):
	Other expense	1.0			0.9
	Income tax expense / (benefit)	(0.2		)	(0.2		)
	Net of income taxes	0.8			0.7
Total reclassifications for the period, net of income taxes		$	0.7		$	0.6

The changes in the components of Accumulated Other Comprehensive Loss during the three months ended March 31, 2020 are as follows:

$ in millions	Gains / (losses) on cash flow hedges			Change in unfunded pension and postretirement benefit obligation			Total
Balance at January 1, 2020	$	(0.4	)	$	(36.5	)	$	(36.9	)
Other comprehensive loss before reclassifications	(0.3		)	—			(0.3		)
Amounts reclassified from AOCI to earnings	(0.1		)	0.8			0.7
Net current period other comprehensive income / (loss)	(0.4		)	0.8			0.4
Balance at March 31, 2020	$	(0.8	)	$	(35.7	)	$	(36.5	)