Joint Ownership of Transmission Facilities (Tables)

12 Months Ended

Dec. 31, 2014

Joint Ownership of Transmission Facilities [Abstract]

Investments in Jointly Owned Transmission Facilities

Following are the investments by NSP-Wisconsin in jointly owned transmission facilities and the related ownership percentages as of Dec. 31, 2014:



(Thousands of Dollars)	Plant in Service		Accumulated Depreciation		CWIP		Ownership %
Electric Transmission:
CapX2020 Transmission	$	26,434	$	8,082	$	103,940	80.7	%
La Crosse, Wis. to Madison, Wis.	—		—		9,814		50.0
Total NSP-Wisconsin	$	26,434	$	8,082	$	113,754

- 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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