Benefit Plans and Other Postretirement Benefits

3 Months Ended

Mar. 31, 2025

Retirement Benefits [Abstract]

Benefit Plans and Other Postretirement Benefits

Components of Net Periodic Benefit Cost

	Three Months Ended March 31
	2025		2024
(Millions of Dollars)	Pension Benefits
Service cost	$	1	$	1
Interest cost (a)	1		2
Expected return on plan assets (a)	(2)		(2)
Net periodic benefit cost	—		1
Net benefit cost recognized for financial reporting	$	—	$	1

(a)The components of net periodic cost other than the service cost component are included in the consolidated statements of income or capitalized on the consolidated balance sheets as a regulatory asset.

In January 2025, contributions totaling $125 million were made across Xcel Energy’s pension plans, of which $9 million was attributable to NSP-Wisconsin. Xcel Energy does not expect additional pension contributions during 2025.