XML 45 R32.htm IDEA: XBRL DOCUMENT v3.6.0.2
Joint Ownership of Transmission Facilities (Tables)
 12 Months Ended
Dec. 31, 2016
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, 2016:
(Thousands of Dollars)
 
Plant in
Service
 
Accumulated Depreciation
 
CWIP
 
Ownership %
Electric Transmission:
 
 
 
 
 
 
 
 
CapX2020 Transmission
 
$
164,040

 
$
10,874

 
$
42,546

 
81
%
La Crosse, Wis. to Madison, Wis.
 
—

 
—

 
41,131

 
37

Total NSP-Wisconsin
 
$
164,040

 
$
10,874

 
$
83,677