Borrowings and Other Financing Instruments (Tables)

12 Months Ended

Dec. 31, 2011

Borrowings and Other Financing Instruments [Abstract]

Commercial Paper

Commercial Paper - Xcel Energy Inc. and its utility subsidiaries meet their short-term liquidity requirements primarily through the issuance of commercial paper and borrowings under their credit facilities.  Commercial paper outstanding for Xcel Energy was as follows:

	Three Months Ended
(Amounts in Millions, Except Interest Rates)	Dec. 31, 2011
Borrowing limit	$	2,450
Amount outstanding at period end		219
Average amount outstanding		165
Maximum amount outstanding		241
Weighted average interest rate, computed on a daily basis		0.35	%
Weighted average interest rate at end of period		0.40

	Twelve Months Ended			Twelve Months Ended			Twelve Months Ended
(Amounts in Millions, Except Interest Rates)	Dec. 31, 2011			Dec. 31, 2010			Dec. 31, 2009
Borrowing limit	$	2,450		$	2,177		$	2,177
Amount outstanding at period end		219			466			459
Average amount outstanding		430			263			406
Maximum amount outstanding		824			653			675
Weighted average interest rate, computed on a daily basis		0.36	%		0.36	%		0.95	%
Weighted average interest rate at end of period		0.40			0.40			0.36

Debt-to-Total Capitalization Ratio

 Each entity was in compliance at Dec. 31, 2011 as evidenced by the table below:

	Debt-to-Total Capitalization Ratio
Xcel Energy		55	%
NSP-Wisconsin		50
NSP-Minnesota		48
SPS		48
PSCo		45

Committed Credit Facilities Available

At Dec. 31, 2011, Xcel Energy Inc. and its utility subsidiaries had the following committed credit facilities available:

(Millions of Dollars)	Facility		Drawn (a)		Available
Xcel Energy Inc.	$	800.0	$	127.1	$	672.9
PSCo		700.0		4.9		695.1
NSP-Minnesota		500.0		33.7		466.3
SPS		300.0		-		300.0
NSP-Wisconsin		150.0		66.0		84.0
Total	$	2,450.0	$	231.7	$	2,218.3

(a) Includes outstanding commercial paper and letters of credit.

Maturities of Long-Term Debt

Maturities of long-term debt are as follows:

(Millions of Dollars)
2012	$	1,060
2013		257
2014		282
2015		256
2016		207

Preferred Shares by Subsidiary

The following table lists preferred shares by subsidiary at Dec. 31, 2011 and 2010:

	Preferred Shares Authorized		Par Value
SPS		10,000,000	$	1.00
PSCo		10,000,000		0.01