Borrowings and Other Financing Instruments (Tables)

9 Months Ended

Sep. 30, 2023

Borrowings and Other Financing Instruments [Abstract]

Short-Term Borrowings

Commercial paper outstanding:

(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2023			Year Ended Dec. 31, 2022
Borrowing limit	$	700		$	700
Amount outstanding at period end	—			294
Average amount outstanding	5			71
Maximum amount outstanding	72			328
Weighted average interest rate, computed on a daily basis	5.45		%	2.56		%
Weighted average interest rate at period end	N/A			4.73

Credit Facilities

At Sept. 30, 2023, PSCo had the following committed revolving credit facility available (in millions of dollars):

Credit Facility (a)		Drawn (b)		Available
$	700	$	29	$	671

(a)    Expires in September 2027.

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

Money Pool

Borrowings and Other Financing Instruments [Abstract]

Short-Term Borrowings

Money pool borrowings:

(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2023			Year Ended Dec. 31, 2022
Borrowing limit	$	250		$	250
Amount outstanding at period end	188			—
Average amount outstanding	27			29
Maximum amount outstanding	188			250
Weighted average interest rate, computed on a daily basis	5.26		%	1.66		%
Weighted average interest rate at period end	5.30			N/A