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Benefit Plans and Other Postretirement Benefits
 9 Months Ended
Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Benefit Plans and Other Postretirement Benefits
Benefit Plans and Other Postretirement Benefits

Components of Net Periodic Benefit Cost (Credit)
 
 
Three Months Ended Sept. 30
 
 
2014
 
2013
 
2014
 
2013
(Thousands of Dollars)
 
Pension Benefits
 
Postretirement Health
Care Benefits
Service cost
 
$
2,296

 
$
2,404

 
$
312

 
$
342

Interest cost
 
5,111

 
4,477

 
643

 
588

Expected return on plan assets
 
(6,545
)
 
(5,993
)
 
(812
)
 
(796
)
Amortization of prior service cost (credit)
 
14

 
218

 
(100
)
 
(121
)
Amortization of net loss (gain)
 
3,332

 
4,287

 
(80
)
 
(2
)
Net periodic benefit cost (credit)
 
4,208

 
5,393

 
(37
)
 
11

Credits recognized due to the effects of regulation
 
707

 
62

 
—

 
—

Net benefit cost (credit) recognized for financial reporting
 
$
4,915

 
$
5,455

 
$
(37
)
 
$
11


 
 
Nine Months Ended Sept. 30
 
 
2014
 
2013
 
2014
 
2013
(Thousands of Dollars)
 
Pension Benefits
 
Postretirement Health
Care Benefits
Service cost
 
$
6,888

 
$
7,211

 
$
935

 
$
1,026

Interest cost
 
15,333

 
13,431

 
1,929

 
1,764

Expected return on plan assets
 
(19,635
)
 
(17,978
)
 
(2,435
)
 
(2,388
)
Amortization of prior service cost (credit)
 
41

 
653

 
(301
)
 
(363
)
Amortization of net loss (gain)
 
9,995

 
12,861

 
(241
)
 
(5
)
Net periodic benefit cost (credit)
 
12,622

 
16,178

 
(113
)
 
34

Credits recognized (costs not recognized) due to the effects of regulation
 
2,122

 
(1,330
)
 
—

 
—

Net benefit cost (credit) recognized for financial reporting
 
$
14,744

 
$
14,848

 
$
(113
)
 
$
34



In January 2014, contributions of $130.0 million were made across three of Xcel Energy’s pension plans, of which $4.4 million was attributable to SPS. Xcel Energy does not expect additional pension contributions during 2014.