Revenues (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenue

The table also includes a reconciliation of the disaggregated revenue to revenue by reportable segment (in thousands).

Reportable Segments
	Years ended December 31, 2023						Years ended December 31, 2022						Years ended December 31, 2021
	Retail Electricity (c)		Retail Natural Gas		Total Reportable Segments		Retail Electricity		Retail Natural Gas		Total Reportable Segments		Retail Electricity		Retail Natural Gas		Total Reportable Segments
Primary markets (a)
New England	$	115,129	$	8,937	$	124,066	$	111,332	$	10,284	$	121,616	$	100,819	$	9,402	$	110,221
Mid-Atlantic	111,599		39,860		151,459		114,994		49,626		164,620		107,307		28,070		135,377
Midwest	31,353		18,578		49,931		39,658		22,436		62,094		41,974		20,602		62,576
Southwest	70,385		43,519		113,904		86,766		27,719		114,485		72,494		17,060		89,554
	$	328,466	$	110,894	$	439,360	$	352,750	$	110,065	$	462,815	$	322,594	$	75,134	$	397,728
Customer type
Commercial	$	40,356	$	60,111	$	100,467	$	42,439	$	53,504	$	95,943	$	49,159	$	25,610	$	74,769
Residential	288,482		59,175		347,657		309,503		51,465		360,968		280,065		49,483		329,548
Unbilled revenue (b)	(372)		(8,392)		(8,764)		808		5,096		5,904		(6,630)		41		(6,589)
	$	328,466	$	110,894	$	439,360	$	352,750	$	110,065	$	462,815	$	322,594	$	75,134	$	397,728
Customer credit risk
POR	$	191,355	$	50,439	$	241,794	$	212,374	$	62,962	$	275,336	$	195,120	$	40,541	$	235,661
Non-POR	137,111		60,455		197,566		140,376		47,103		187,479		127,474		34,593		162,067
	$	328,466	$	110,894	$	439,360	$	352,750	$	110,065	$	462,815	$	322,594	$	75,134	$	397,728

(a) The primary markets include the following states:

•New England - Connecticut, Maine, Massachusetts and New Hampshire;

•Mid-Atlantic - Delaware, Maryland (including the District of Columbia), New Jersey, New York and Pennsylvania and Virginia;

•Midwest - Illinois, Indiana, Michigan and Ohio; and

•Southwest - Arizona, California, Colorado, Florida, Nevada and Texas.

(b) Unbilled revenue is recorded in total until it is actualized, at which time it is categorized between commercial and residential customers.

(c) Retail Electricity includes services.

Reconciliation to Consolidated Financial Information

A reconciliation of the reportable segment operating revenues to consolidated revenues is as follows:

	Year Ended December 31,
	2023		2022		2021
Total Reportable Segments Revenue	$	439,360	$	462,815	$	397,728
Net asset optimization expense	(7,326)		(2,322)		(4,243)
Other Revenue	3,158		—		—
Total Revenues	$	435,192	$	460,493	$	393,485

Schedule of Accounts Receivable, Allowance for Credit Loss

A rollforward of our allowance for credit losses for the year ended December 31, 2023 is presented in the table below (in thousands):

Balance at December 31, 2022	$	(4,335)
Bad debt provision	(3,442)
Write-offs	3,376
Recovery of previous write offs	(95)
Balance at December 31, 2023	$	(4,496)