Property, Plant and Equipment

9 Months Ended

Sep. 30, 2017

Public Utilities, Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment

PROPERTY, PLANT, AND EQUIPMENT

The following table sets forth the major classifications of our property, plant, and equipment and accumulated depreciation:

	September 30,				December 31,
In thousands	2017		2016		2016
Utility plant in service	$	2,934,424	$	2,815,340	$	2,843,243
Utility construction work in progress	145,148		58,470		62,264
Less: Accumulated depreciation	937,498		899,851		903,096
Utility plant, net	2,142,074		1,973,959		2,002,411
Non-utility plant in service	300,224		298,586		299,378
Non-utility construction work in progress	4,326		4,800		3,931
Less: Accumulated depreciation	48,834		43,483		44,820
Non-utility plant, net	255,716		259,903		258,489
Total property, plant, and equipment	$	2,397,790	$	2,233,862	$	2,260,900
Capital expenditures in accrued liabilities	$	41,732	$	8,918	$	9,547