Property, Plant and Equipment

6 Months Ended

Jun. 30, 2015

Public Utilities, Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

9. PROPERTY, PLANT, AND EQUIPMENT

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

	June 30,				December 31,
In thousands	2015		2014		2014
Utility plant in service	$	2,701,010	$	2,624,774	$	2,661,097
Utility construction work in progress	38,024		36,798		24,886
Less: Accumulated depreciation	857,373		847,828		836,510
Utility plant, net	1,881,661		1,813,744		1,849,473
Non-utility plant in service	296,046		297,269		297,295
Non-utility construction work in progress	7,591		6,385		9,282
Less: Accumulated depreciation	36,349		31,468		34,457
Non-utility plant, net	267,288		272,186		272,120
Total property, plant, and equipment	$	2,148,949	$	2,085,930	$	2,121,593
Capital expenditures in accrued liabilities	$	6,081	$	9,826	$	8,757