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Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The tables below reconcile revenue disaggregation by customer class to segment revenue, as well as to revenues reflected on the Condensed Statements of Consolidated Income (unaudited):

Three Months Ended June 30, 2022 (in millions)			Gas Distribution Operations						Electric Operations						Corporate and Other(2)						Total
Customer Revenues(1)
Residential			$	465.0					$	137.0					$	—					$	602.0
Commercial			160.6						134.7						—						295.3
Industrial			48.1						138.7						—						186.8
Off-system			59.1						—						—						59.1
Miscellaneous			8.6						4.7						—						13.3
Total Customer Revenues			$	741.4					$	415.1					$	—					$	1,156.5
Other Revenues			(0.3)						22.0						5.0						26.7
Total Operating Revenues			$	741.1					$	437.1					$	5.0					$	1,183.2

(1)Customer revenue amounts exclude intersegment revenues. See Note 18, "Business Segment Information," for discussion of intersegment revenues.

(2)Other revenues primarily related to the Transition Services Agreement entered into in connection with the sale of the Massachusetts Business.

Three Months Ended June 30, 2021 (in millions)			Gas Distribution Operations						Electric Operations						Corporate and Other(2)						Total
Customer Revenues(1)
Residential			$	378.6					$	131.9					$	—					$	510.5
Commercial			125.4						130.0						—						255.4
Industrial			44.0						119.0						—						163.0
Off-system			17.0						—						—						17.0
Miscellaneous			4.9						1.4						0.2						6.5
Total Customer Revenues			$	569.9					$	382.3					$	0.2					$	952.4
Other Revenues			4.4						21.2						8.0						33.6
Total Operating Revenues			$	574.3					$	403.5					$	8.2					$	986.0

(1)Customer revenue amounts exclude intersegment revenues. See Note 18, "Business Segment Information," for discussion of intersegment revenues.

(2)Other revenues primarily related to the Transition Services Agreement entered into in connection with the sale of the Massachusetts Business.

Six months ended June 30, 2022 (in millions)			Gas Distribution Operations						Electric Operations						Corporate and Other(2)						Total
Customer Revenues(1)
Residential			$	1,441.9					$	275.5					$	—					$	1,717.4
Commercial			517.1						269.2						—						786.3
Industrial			115.9						268.5						—						384.4
Off-system			77.8						—						—						77.8
Miscellaneous			22.6						8.3						—						30.9
Total Customer Revenues			$	2,175.3					$	821.5					$	—					$	2,996.8
Other Revenues			2.5						45.7						11.5						59.7
Total Operating Revenues			$	2,177.8					$	867.2					$	11.5					$	3,056.5
(1)Customer revenue amounts exclude intersegment revenues. See Note 18, "Business Segment Information," for discussion of intersegment revenues. (2)Other revenues related to the Transition Services Agreement entered into in connection with the sale of the Massachusetts Business.
Six months ended June 30, 2021 (in millions)			Gas Distribution Operations						Electric Operations						Corporate and Other(2)						Total
Customer Revenues(1)
Residential			$	1,152.1					$	261.1					$	—					$	1,413.2
Commercial			396.9						252.8						—						649.7
Industrial			101.9						241.9						—						343.8
Off-system			31.4						—						—						31.4
Miscellaneous			14.7						5.7						0.4						20.8
Total Customer Revenues			$	1,697					$	761.5					$	0.4					$	2,458.9
Other Revenues			13.1						44.5						15.1						72.7
Total Operating Revenues			$	1,710.1					$	806.0					$	15.5					$	2,531.6
(1)Customer revenue amounts exclude intersegment revenues. See Note 18, "Business Segment Information," for discussion of intersegment revenues. (2)Other revenues related to the Transition Services Agreement entered into in connection with the sale of the Massachusetts Business.

Customer Accounts Receivable

The opening and closing balances of customer receivables for the six months ended June 30, 2022 are presented in the table below. We had no significant contract assets or liabilities during the period. Additionally, we have not incurred any significant costs to obtain or fulfill contracts.

(in millions)			Customer Accounts Receivable, Billed (less reserve)						Customer Accounts Receivable, Unbilled (less reserve)
Balance as of December 31, 2021			$	459.6					$	337.0
Balance as of June 30, 2022			473.7						216.9

Accounts Receivable, Allowance for Credit Loss

A rollforward of our allowance for credit losses as of June 30, 2022 and December 31, 2021 are presented in the table below:

(in millions)			Gas Distribution Operations						Electric Operations						Corporate and Other						Total
Balance as of January 1, 2022			$	18.9					$	3.8					$	0.8					$	23.5
Current period provisions			14.8						4.2						—						19.0
Write-offs charged against allowance			(21.3)						(2.7)						—						(24.0)
Recoveries of amounts previously written off			7.3						0.3						—						7.6
Balance as of June 30, 2022			$	19.7					$	5.6					$	0.8					$	26.1

(in millions)			Gas Distribution Operations						Electric Operations						Corporate and Other						Total
Balance as of January 1, 2021			$	41.8					$	9.7					$	0.8					$	52.3
Current period provisions			5.8						1.4						—						7.2
Write-offs charged against allowance			(46.7)						(7.7)						—						(54.4)
Recoveries of amounts previously written off			18.0						0.4						—						18.4
Balance as of December 31, 2021			$	18.9					$	3.8					$	0.8					$	23.5

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

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