XML 55 R35.htm IDEA: XBRL DOCUMENT

Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2021

Significant affiliate transactions among the companies and related parties including billings under the Interchange Agreement for the years ended Dec. 31:


(Millions of Dollars)	2021		2020		2019
Operating revenues:
Electric	$	189	$	168	$	177
Operating expenses:
Purchased power	408		379		394
Transmission expense	64		61		64
Natural gas purchased for resale	1		1		1
Other operating expenses — paid to Xcel Energy Services Inc.	99		92		87

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


	2021				2020
(Millions of Dollars)	Accounts Receivable		Accounts Payable		Accounts Receivable		Accounts Payable
NSP-Minnesota	$	—	$	13	$	—	$	6
PSCo	2		—		1		—
Other subsidiaries of Xcel Energy Inc.	1		10		9		9
	$	3	$	23	$	10	$	15