Property, Plant and Equipment

9 Months Ended

Sep. 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:

	September 30,				December 31,
In thousands	2015		2014		2014
Utility plant in service	$	2,710,658	$	2,655,136	$	2,661,097
Utility construction work in progress	58,280		31,778		24,886
Less: Accumulated depreciation	867,281		850,590		836,510
Utility plant, net	1,901,657		1,836,324		1,849,473
Non-utility plant in service	296,169		297,199		297,295
Non-utility construction work in progress	7,891		6,549		9,282
Less: Accumulated depreciation	37,856		32,978		34,457
Non-utility plant, net	266,204		270,770		272,120
Total property, plant, and equipment	$	2,167,861	$	2,107,094	$	2,121,593
Capital expenditures in accrued liabilities	$	9,700	$	11,834	$	8,757