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Jointly Owned Utility Facilities
12 Months Ended
Dec. 31, 2012
Jointly Owned Utility Facilities [Abstract]  
Jointly Owned Utility Facilities Disclosure [Text Block]
(4)    Jointly Owned Utility Facilities

Under joint facility ownership agreements with other utilities, PacifiCorp, as a tenant in common, has undivided interests in jointly owned generation, transmission and distribution facilities. PacifiCorp accounts for its proportionate share of each facility, and each joint owner has provided financing for its share of each facility. Operating costs of each facility are assigned to joint owners based on their percentage of ownership or energy production, depending on the nature of the cost. Operating costs and expenses on the Consolidated Statements of Operations include PacifiCorp's share of the expenses of these facilities.

The amounts shown in the table below represent PacifiCorp's share in each jointly owned facility as of December 31, 2012 (dollars in millions):
 
 
 
Facility
 
Accumulated
 
Construction
 
PacifiCorp
 
in
 
Depreciation and
 
Work-in-
 
Share
 
Service
 
Amortization
 
Progress
 
 
 
 
 
 
 
 
Jim Bridger Nos. 1 - 4
67
%
 
$
1,087

 
$
505

 
$
33

Hunter No. 1
94

 
391

 
143

 
19

Hunter No. 2
60

 
301

 
81

 

Wyodak
80

 
450

 
158

 
2

Colstrip Nos. 3 and 4
10

 
223

 
119

 
1

Hermiston (1)
50

 
172

 
56

 
1

Craig Nos. 1 and 2
19

 
177

 
92

 
4

Hayden No. 1
25

 
55

 
24

 
1

Hayden No. 2
13

 
32

 
16

 

Foote Creek
79

 
37

 
20

 

Transmission and distribution facilities
Various
 
325

 
53

 
1

Total
 
 
$
3,250

 
$
1,267

 
$
62


(1)
As discussed in Note 17, PacifiCorp has contracted to purchase the remaining 50% of the output of the Hermiston generating facility.