Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2017

The following table presents summary financial information concerning the reportable segments:



	Three Months Ended June 30,
In thousands	Utility		Gas Storage		Other			Total
2017
Operating revenues	$	130,095	$	6,088	$	55		$	136,238
Depreciation and amortization	19,894		1,461		—			21,355
Income (loss) from operations	11,860		1,599		(302		)	13,157
Net income (loss)	2,137		756		(164		)	2,729
Capital expenditures	54,265		1,129		—			55,394
2016
Operating revenues	$	92,135	$	6,992	$	56		$	99,183
Depreciation and amortization	18,961		1,452		—			20,413
Income from operations	9,714		2,879		13			12,606
Net income	507		1,439		73			2,019
Capital expenditures	31,295		804		—			32,099



	Six Months Ended June 30,
In thousands	Utility		Gas Storage		Other			Total
2017
Operating revenues	$	422,821	$	10,629	$	111		$	433,561
Depreciation and amortization	39,518		2,922		—			42,440
Income (loss) from operations	87,683		2,205		(503		)	89,385
Net income (loss)	42,329		817		(107		)	43,039
Capital expenditures	93,119		1,199		—			94,318
Total assets at June 30, 2017	2,792,011		256,396		16,747			3,065,154
2016
Operating revenues	$	342,239	$	12,361	$	112		$	354,712
Depreciation and amortization	37,721		3,086		—			40,807
Income from operations	82,009		4,605		64			86,678
Net income	36,359		2,175		126			38,660
Capital expenditures	60,472		1,681		—			62,153
Total assets at June 30, 2016	2,663,817		263,498		15,829			2,943,144

Total assets at December 31, 2016	2,806,627		256,333		16,841			3,079,801

The following table presents additional segment information concerning utility margin:



	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2017		2016		2017		2016
Utility margin calculation:
Utility operating revenues ⁽¹⁾	$	130,095	$	92,135	$	422,821	$	342,239
Less: Utility cost of gas	53,005		20,871		196,616		129,282
Environmental remediation expense	2,611		1,893		9,565		6,922
Utility margin	$	74,479	$	69,371	$	216,640	$	206,035


⁽¹⁾	Utility operating revenues include environmental recovery revenues, which are collections received from customers through our environmental recovery mechanism in Oregon, offset by environmental remediation expense.