Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2013

The table below contains significant affiliate transactions among the companies and related parties for the years ended Dec. 31:



(Thousands of Dollars)	2013		2012		2011
Operating revenues:
Electric	$	1,331	$	6,539	$	7,187
Operating expenses:
Purchased power	8,136		9,271		10,896
Other operating expenses — paid to Xcel Energy Services Inc.	127,669		117,277		118,370
Interest expense	178		76		83
Interest income	—		10		1

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



	2013				2012
(Thousands of Dollars)	Accounts Receivable		Accounts Payable		Accounts Receivable		Accounts Payable
NSP-Minnesota	$	3,462	$	—	$	3,820	$	—
NSP-Wisconsin	—		26		4		—
PSCo	—		1,056		—		69
Other subsidiaries of Xcel Energy Inc.	12,378		14,305		967		12,294
	$	15,840	$	15,387	$	4,791	$	12,363