Jointly owned facilities (Tables)

12 Months Ended

Dec. 31, 2014

Company's share of the cost of utility plant in service and related accumulated depreciation for the stations

At December 31, the Company's share of the cost of utility plant in service and related accumulated depreciation for the stations was as follows:



	2014		2013
	(In thousands)
Big Stone Station:
Utility plant in service	$	64,283	$	63,890
Less accumulated depreciation	43,043		41,323
	$	21,240	$	22,567
Coyote Station:
Utility plant in service	$	138,810	$	138,261
Less accumulated depreciation	94,443		89,528
	$	44,367	$	48,733
Wygen III:
Utility plant in service	$	65,597	$	64,332
Less accumulated depreciation	5,928		4,639
	$	59,669	$	59,693

- Definition

Tabular disclosure of proportionate interests in jointly owned utility plants. Includes the amount of plants in service, the accumulated provision for depreciation (if available), the amount of plants under construction, and the proportionate share. The amounts presented may be further subdivided to show amounts applicable to plant subcategories (for example, production, transmission, distribution). Includes statements that the amounts represent the utility's share in each joint plant and that it must provide its own financing. Information concerning two or more generating plants on the same site may be combined. States that the utility's share of direct expenses of the joint plants is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance of plant, other operating expense). If the share of direct expenses is charged to purchased power, then disclose the amount so charged and the proportionate amounts charged to specific operating expenses on the records maintained for the joint plants.

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