Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2016

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



(Thousands of Dollars)	2016		2015		2014
Operating revenues:
Electric	$	56	$	—	$	23
Operating expenses:
Purchased power	8,809		8,632		9,614
Other operating expenses — paid to Xcel Energy Services Inc.	188,175		197,134		145,917
Interest expense	189		156		73
Interest income	—		6		3

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



	2016				2015
(Thousands of Dollars)	Accounts Receivable		Accounts Payable		Accounts Receivable		Accounts Payable
NSP-Minnesota	$	935	$	—	$	1,066	$	—
NSP-Wisconsin	—		333		—		71
PSCo	—		745		—		414
Other subsidiaries of Xcel Energy Inc.	14		13,336		13		28,650
	$	949	$	14,414	$	1,079	$	29,135