Borrowings and Other Financing Instruments (Tables)

9 Months Ended

Sep. 30, 2013

Borrowings and Other Financing Instruments [Abstract]

At Sept. 30, 2013, PSCo had the following committed credit facility available (in millions of dollars):



Credit Facility ^(a)		Drawn ^(b)		Available
$	700.0	$	6.9	$	693.1


^(a)	Credit facility expires in July 2017.


^(b)	Includes outstanding letters of credit.

Money Pool

Borrowings and Other Financing Instruments [Abstract]

Short-Term Borrowings

Money Pool — Xcel Energy Inc. and its utility subsidiaries have established a money pool arrangement that allows for short-term investments in and borrowings between the utility subsidiaries. Xcel Energy Inc. may make investments in the utility subsidiaries at market-based interest rates; however, the money pool arrangement does not allow the utility subsidiaries to make investments in Xcel Energy Inc. Money pool borrowings for PSCo were as follows:



(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2013		Twelve Months Ended Dec. 31, 2012
Borrowing limit	$	250	$	250
Amount outstanding at period end	—		—
Average amount outstanding	—		0.3
Maximum amount outstanding	—		8
Weighted average interest rate, computed on a daily basis	N/A		0.33		%
Weighted average interest rate at period end	N/A		N/A

Commercial Paper

Borrowings and Other Financing Instruments [Abstract]

Short-Term Borrowings

Commercial Paper — PSCo meets its short-term liquidity requirements primarily through the issuance of commercial paper and borrowings under its credit facility. Commercial paper outstanding for PSCo was as follows:



(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2013		Twelve Months Ended Dec. 31, 2012
Borrowing limit	$	700	$	700
Amount outstanding at period end	—		154
Average amount outstanding	—		8
Maximum amount outstanding	—		165
Weighted average interest rate, computed on a daily basis	N/A		0.33		%
Weighted average interest rate at period end	N/A		0.35