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Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2023

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


(Millions of Dollars)	2023		2022		2021
Operating expenses:

Other operating expenses — paid to Xcel Energy Services Inc.	$	245	$	238	$	209
Interest expense	4		1		—

Accounts receivable and payable with affiliates at Dec. 31 were:


	2023				2022
(Millions of Dollars)	Accounts Receivable		Accounts Payable		Accounts Receivable		Accounts Payable
NSP-Minnesota	$	4	$	—	$	3	$	—
PSCo	11		—		11		—
Other subsidiaries of Xcel Energy Inc.	11		7		1		23
	$	26	$	7	$	15	$	23