Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2017

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



	Three Months Ended September 30,
In thousands	Utility			Gas Storage		Other			Total
2017
Operating revenues	$	81,126		$	7,006	$	58		$	88,190
Depreciation and amortization	20,023			1,461		—			21,484
Income (loss) from operations	(9,977		)	3,543		(222		)	(6,656		)
Net income (loss)	(10,349		)	1,899		(45		)	(8,495		)
Capital expenditures	50,009			164		950			51,123
2016
Operating revenues	$	80,378		$	7,293	$	56		$	87,727
Depreciation and amortization	19,173			1,455		—			20,628
Income (loss) from operations	(7,264		)	3,502		(675		)	(4,437		)
Net income (loss)	(9,511		)	1,813		(342		)	(8,040		)
Capital expenditures	36,238			437		—			36,675



	Nine Months Ended September 30,
In thousands	Utility		Gas Storage		Other			Total
2017
Operating revenues	$	503,947	$	17,635	$	169		$	521,751
Depreciation and amortization	59,541		4,383		—			63,924
Income (loss) from operations	77,706		5,748		(725		)	82,729
Net income (loss)	31,980		2,716		(152		)	34,544
Capital expenditures	143,128		1,363		950			145,441
Total assets at September 30, 2017	2,835,860		252,041		17,706			3,105,607
2016
Operating revenues	$	422,617	$	19,654	$	168		$	442,439
Depreciation and amortization	56,894		4,541		—			61,435
Income from operations	74,745		8,107		(611		)	82,241
Net income	26,848		3,988		(216		)	30,620
Capital expenditures	96,710		1,401		—			98,111
Total assets at September 30, 2016	2,684,618		259,483		15,783			2,959,884

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 September 30,				Nine Months Ended September 30,
In thousands	2017		2016		2017		2016
Utility margin calculation:
Utility operating revenues ⁽¹⁾	$	81,126	$	80,378	$	503,947	$	422,617
Less: Utility cost of gas	27,239		28,264		223,855		157,546
Environmental remediation expense	1,355		1,191		10,920		8,113
Utility margin	$	52,532	$	50,923	$	269,172	$	256,958


⁽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.