Segment Information

9 Months Ended

Sep. 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 September 30,
In thousands	NGD		Other (NW Natural)		NW Natural		Other (NW Holdings)		NW Holdings
2023
Operating revenues	$	124,624	$	5,318	$	129,942	$	11,537	$	141,479
Depreciation	28,169		277		28,446		1,615		30,061
Income (loss) from operations	(22,192)		3,777		(18,415)		838		(17,577)
Net income (loss)	(24,160)		2,673		(21,487)		(2,200)		(23,687)
Capital expenditures	86,017		1,053		87,070		10,814		97,884
2022
Operating revenues	$	103,295	$	7,131	$	110,426	$	6,413	$	116,839
Depreciation	27,937		264		28,201		825		29,026
Income (loss) from operations	(20,910)		5,616		(15,294)		367		(14,927)
Net income (loss)	(23,016)		4,210		(18,806)		(781)		(19,587)
Capital expenditures	79,847		431		80,278		3,868		84,146

	Nine Months Ended September 30,
In thousands	NGD		Other (NW Natural)		NW Natural		Other (NW Holdings)		NW Holdings
2023
Operating revenues	$	796,108	$	16,695	$	812,803	$	28,958	$	841,761
Depreciation	87,650		820		88,470		4,349		92,819
Income (loss) from operations	97,357		11,658		109,015		759		109,774
Net income (loss)	47,520		8,317		55,837		(6,609)		49,228
Capital expenditures	214,874		1,494		216,368		26,379		242,747
Total assets at September 30, 2023	4,285,309		52,894		4,338,203		326,915		4,665,118
2022
Operating revenues	$	629,327	$	17,974	$	647,301	$	14,799	$	662,100
Depreciation	82,372		794		83,166		2,399		85,565
Income (loss) from operations	75,328		12,054		87,382		(1,132)		86,250
Net income (loss)	32,531		8,812		41,343		(2,976)		38,367
Capital expenditures	235,249		1,218		236,467		15,375		251,842
Total assets at September 30, 2022	3,968,040		56,712		4,024,752		275,960		4,300,712
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 September 30,				Nine Months Ended September 30,
In thousands	2023		2022		2023		2022
NGD margin calculation:
NGD distribution revenues	$	119,892	$	98,391	$	781,941	$	614,605
Other regulated services	4,732		4,904		14,167		14,722
Total NGD operating revenues	124,624		103,295		796,108		629,327
Less: NGD cost of gas	49,235		36,258		357,530		261,678
Environmental remediation	1,032		975		8,547		7,945
Revenue taxes	5,425		4,375		33,559		25,907
NGD margin	$	68,932	$	61,687	$	396,472	$	333,797