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Benefit Plans and Other Postretirement Benefits
9 Months Ended
Sep. 30, 2016
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
 
 
2016
 
2015
 
2016
 
2015
(Thousands of Dollars)
 
Pension Benefits
 
Postretirement Health
Care Benefits
Service cost
 
$
22,940

 
$
24,828

 
$
432

 
$
529

Interest cost
 
40,027

 
37,131

 
6,527

 
6,324

Expected return on plan assets
 
(52,575
)
 
(53,473
)
 
(6,249
)
 
(6,650
)
Amortization of prior service credit
 
(478
)
 
(451
)
 
(2,672
)
 
(2,672
)
Amortization of net loss
 
24,384

 
31,288

 
1,011

 
1,351

Net periodic benefit cost (credit)
 
34,298

 
39,323

 
(951
)
 
(1,118
)
Costs not recognized due to the effects of regulation
 
(3,976
)
 
(7,016
)
 

 

Net benefit cost (credit) recognized for financial reporting
 
$
30,322

 
$
32,307

 
$
(951
)
 
$
(1,118
)
 
 
 
 
 
 
 
 
 

 
 
Nine Months Ended Sept. 30
 
 
2016
 
2015
 
2016
 
2015
(Thousands of Dollars)
 
Pension Benefits
 
Postretirement Health
Care Benefits
Service cost
 
$
68,805

 
$
74,484

 
$
1,295

 
$
1,587

Interest cost
 
120,078

 
111,393

 
19,580

 
18,972

Expected return on plan assets
 
(157,725
)
 
(160,418
)
 
(18,746
)
 
(19,950
)
Amortization of prior service credit
 
(1,439
)
 
(1,353
)
 
(8,015
)
 
(8,015
)
Amortization of net loss
 
73,154

 
93,864

 
3,031

 
4,053

Net periodic benefit cost (credit)
 
102,873

 
117,970

 
(2,855
)
 
(3,353
)
Costs not recognized due to the effects of regulation
 
(12,587
)
 
(22,035
)
 

 

Net benefit cost (credit) recognized for financial reporting
 
$
90,286

 
$
95,935

 
$
(2,855
)
 
$
(3,353
)


In January 2016, contributions of $125.0 million were made across four of Xcel Energy’s pension plans. Xcel Energy does not expect additional pension contributions during 2016.