Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2012

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

(Thousands of Dollars)	2012		2011		2010
Operating revenues:
Electric	$	9,271	$	10,896	$	9,428
Other		4,441		4,441		3,331
Operating expenses:
Purchased power		6,539		7,187		6,805
Other operating expenses — paid to Xcel Energy Services Inc		316,548		338,889		307,136
Interest expense		114		112		104

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

	2012				2011
	Accounts		Accounts		Accounts		Accounts
(Thousands of Dollars)	Receivable		Payable		Receivable		Payable
NSP-Minnesota	$	23,214	$	-	$	11,623	$	-
NSP-Wisconsin		71		-		112		-
SPS		69		-		319		-
Other subsidiaries of Xcel Energy Inc		70,190		30,001		9		48,371
	$	93,544	$	30,001	$	12,063	$	48,371