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Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2022

Significant affiliate transactions among the companies and related parties for the years ended Dec. 31:


(Millions of Dollars)	2022		2021		2020
Operating revenues:

Other	$	5	$	5	$	5
Operating expenses:
Other operating expenses — paid to Xcel Energy Services Inc.	670		617		571
Interest expense	2		—		—

Accounts receivable and payable with affiliates at Dec. 31:


	2022				2021
(Millions of Dollars)	Accounts Receivable		Accounts Payable		Accounts Receivable		Accounts Payable
NSP-Minnesota	$	2	$	—	$	—	$	16
NSP-Wisconsin	—		2		—		2
SPS	—		11		—		7
Other subsidiaries of Xcel Energy Inc.	9		62		13		44
	$	11	$	75	$	13	$	69