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Borrowings and Other Financing Instruments
6 Months Ended
Jun. 30, 2011
Borrowings and Other Financing Instruments [Abstract]  
Borrowings and Other Financing Instruments
7.
Borrowings and Other Financing Instruments

In an order dated Feb. 4, 2011, NSP-Wisconsin received regulatory approval from the PSCW to establish a commercial paper program in an amount up to $150 million and enter into a back-up credit facility.  Subsequently, NSP-Wisconsin entered into a 4-year credit facility, established a commercial paper program and terminated its intercompany borrowing arrangement with NSP-Minnesota.

Currently, NSP-Wisconsin meets its short-term liquidity requirements primarily through the issuance of commercial paper and borrowings under its credit facility.

Commercial Paper - The following table presents commercial paper outstanding for NSP-Wisconsin under the new commercial paper program:
 
(Millions of Dollars)
 
Three Months Ended
 June 30, 2011
 
Borrowing limit
 
$
150
 
Amount outstanding at period end
   
35
 
Average amount outstanding
   
28
 
Maximum amount outstanding
   
46
 
Weighted average interest rate, computed on a daily basis
   
0.35
%
Weighted average interest rate at end of period
   
0.33
 

Credit Facilities - In order to use its commercial paper program to fulfill short-term funding needs, NSP-Wisconsin must have a revolving credit facility in place at least equal to the amount of its commercial paper borrowing limit and cannot issue commercial paper in an aggregate amount exceeding available capacity under this credit agreement.

During March of 2011, NSP-Wisconsin executed a new 4-year credit agreement.  The total size of the credit facility is $150 million and terminates in March 2015. NSP-Wisconsin has the right to request an extension of the revolving termination date for two additional one year periods, subject to majority bank group approval.

The line of credit provides short-term financing in the form of notes payable to banks, letters of credit and back-up support for commercial paper borrowings.  Other features of NSP-Wisconsin's credit facility include:

 
·
The credit facility has a financial covenant requiring that NSP-Wisconsin's debt-to-total capitalization ratio be less than or equal to 65 percent.  NSP-Wisconsin was in compliance as its debt-to-total capitalization ratio was 49 percent at June 30, 2011.  If NSP-Wisconsin does not comply with the covenant, an event of default may be declared, and if not remedied, any outstanding amounts due under the facility can be declared due by the lender.
 
·
The credit facility has a cross-default provision that provides NSP-Wisconsin will be in default on its borrowings under the facility if Xcel Energy Inc. or any of its subsidiaries, comprising 15 percent or more of the consolidated assets, default on any indebtedness in an aggregate principal amount exceeding $75 million.
 
·
The interest rates under the line of credit are based on the Eurodollar rate, plus a borrowing margin based on the applicable credit ratings of 100 to 200 basis points per year.
 
·
The commitment fees, also based on applicable long-term credit ratings, are calculated on the unused portion of the line of credit at a range of 10 to 35 basis points per year.

At June 30, 2011, NSP-Wisconsin had the following committed credit facility available (in millions of dollars):

  
Credit Facility
  
Drawn (a)
  
Available
 
 $
150.0
  $35.0  $115.0 

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

All credit facility bank borrowings, outstanding letters of credit and outstanding commercial paper reduce the available capacity under the credit facility.  NSP-Wisconsin had no direct advances on the credit facility outstanding at June 30, 2011.

Letters of Credit - NSP-Wisconsin may use letters of credit, generally with terms of one year, to provide financial guarantees for certain operating obligations.  At June 30, 2011 and Dec. 31, 2010, there were no letters of credit outstanding.

Intercompany Borrowing Arrangement- Prior to entering into its credit facility, NSP-Wisconsin had an intercompany borrowing arrangement with NSP-Minnesota, with interest charged at NSP-Minnesota's short-term borrowing rate.  The borrowing arrangement terminated in the first quarter 2011.  The following table presents the intercompany borrowing arrangement with NSP-Minnesota at Dec. 31, 2010:
 
(Millions of Dollars)
 
Twelve Months Ended
Dec. 31, 2010
 
Borrowing limit
 
$
100
 
Amount outstanding at period end
   
37
 
Average amount outstanding
   
11
 
Maximum amount outstanding
   
59
 
Weighted average interest rate, computed on a daily basis
   
0.33
%
Weighted average interest rate at end of period
   
0.38
 
 
Other Short-Term Borrowings- The following table presents the notes payable of Clearwater Investments, Inc., a NSP-Wisconsin subsidiary, to Xcel Energy:

(Millions of Dollars)
 
June 30, 2011
  
Dec. 31, 2010
 
Notes payable to affiliates
 $0.6  $0.6 
Weighted average interest rate
  0.33%  0.36%