Segment Information

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table presents summary financial information concerning the reportable segment and other.

	Three Months Ended June 30,
In thousands	NGD		Other (NW Natural)		NW Natural		Other (NW Holdings)		NW Holdings
2023
Operating revenues	$	223,714	$	4,634	$	228,348	$	9,511	$	237,859
Depreciation	29,623		257		29,880		1,413		31,293
Income (loss) from operations	10,390		2,912		13,302		541		13,843
Net income (loss)	(271)		2,055		1,784		(540)		1,244
Capital expenditures	65,215		485		65,700		7,898		73,598
2022
Operating revenues	$	184,634	$	5,617	$	190,251	$	4,709	$	194,960
Depreciation	27,062		266		27,328		782		28,110
Income (loss) from operations	10,575		3,550		14,125		(586)		13,539
Net income (loss)	157		2,576		2,733		(1,018)		1,715
Capital expenditures	91,122		750		91,872		7,310		99,182

	Six Months Ended June 30,
In thousands	NGD		Other (NW Natural)		NW Natural		Other (NW Holdings)		NW Holdings
2023
Operating revenues	$	671,484	$	11,377	$	682,861	$	17,421	$	700,282
Depreciation	59,481		543		60,024		2,734		62,758
Income (loss) from operations	119,549		7,881		127,430		(79)		127,351
Net income (loss)	71,680		5,644		77,324		(4,409)		72,915
Capital expenditures	128,857		441		129,298		15,565		144,863
Total assets at June 30, 2023	4,176,376		53,538		4,229,914		306,791		4,536,705
2022
Operating revenues	$	526,032	$	10,843	$	536,875	$	8,386	$	545,261
Depreciation	54,435		530		54,965		1,574		56,539
Income (loss) from operations	96,238		6,438		102,676		(1,499)		101,177
Net income (loss)	55,547		4,602		60,149		(2,195)		57,954
Capital expenditures	155,402		787		156,189		11,507		167,696
Total assets at June 30, 2022	3,875,237		54,760		3,929,997		170,521		4,100,518
Total assets at December 31, 2022	4,392,699		60,019		4,452,718		295,608		4,748,326

NGD Margin

The following table presents additional segment information concerning NGD margin:

	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2023		2022		2023		2022
NGD margin calculation:
NGD distribution revenues	$	218,988	$	179,727	$	662,049	$	516,214
Other regulated services	4,726		4,907		9,435		9,818
Total NGD operating revenues	223,714		184,634		671,484		526,032
Less: NGD cost of gas	102,490		79,776		308,295		225,420
Environmental remediation	2,140		2,272		7,515		6,970
Revenue taxes	9,159		8,208		28,134		21,532
NGD margin	$	109,925	$	94,378	$	327,540	$	272,110