Borrowings and Other Financing Instruments (Tables)

3 Months Ended

Mar. 31, 2012

Borrowings and Other Financing Instruments [Abstract]

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:

(Amounts in Millions, Except Interest Rate)	Three Months Ended March 31, 2012			Twelve Months Ended Dec. 31, 2011
Borrowing limit	$	2,450		$	2,450
Amount outstanding at period end		339			219
Average amount outstanding		324			430
Maximum amount outstanding		463			824
Weighted average interest rate, computed on a daily basis		0.36	%		0.36	%
Weighted average interest rate at period end		0.36			0.40

Committed Credit Facilities Available

At March 31, 2012, Xcel Energy Inc. and its utility subsidiaries had the following committed credit facilities available:

(Millions of Dollars)	Credit Facility		Drawn (a)		Available
Xcel Energy Inc.	$	800.0	$	214.0	$	586.0
PSCo		700.0		3.0		697.0
NSP-Minnesota		500.0		35.7		464.3
SPS		300.0		26.0		274.0
NSP-Wisconsin		150.0		71.0		79.0
Total	$	2,450.0	$	349.7	$	2,100.3

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