Benefit Plans and Other Postretirement Benefits

6 Months Ended

Jun. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Benefit Plans and Other Postretirement Benefits

Components of Net Periodic Benefit Cost




	Three Months Ended June 30
	2017			2016			2017			2016
(Thousands of Dollars)	Pension Benefits						Postretirement Health Care Benefits
Service cost	$	1,155		$	1,104		$	7		$	6
Interest cost	1,555			1,704			148			163
Expected return on plan assets	(2,295		)	(2,289		)	(8		)	(6		)
Amortization of prior service cost (credit)	34			28			(88		)	(88		)
Amortization of net loss	1,461			1,348			109			83
Net benefit cost recognized for financial reporting	$	1,910		$	1,895		$	168		$	158





	Six Months Ended June 30
	2017			2016			2017			2016
(Thousands of Dollars)	Pension Benefits						Postretirement Health Care Benefits
Service cost	$	2,309		$	2,208		$	14		$	12
Interest cost	3,109			3,408			296			326
Expected return on plan assets	(4,590		)	(4,578		)	(16		)	(12		)
Amortization of prior service cost (credit)	69			56			(176		)	(176		)
Amortization of net loss	2,923			2,696			218			166
Net benefit cost recognized for financial reporting	$	3,820		$	3,790		$	336		$	316

In January 2017, contributions of $150.0 million were made across four of Xcel Energy’s pension plans, of which $9.0 million was attributable to NSP-Wisconsin. Xcel Energy does not expect additional pension contributions during 2017.