Borrowings and Other Financing Instruments (Tables)

9 Months Ended

Sep. 30, 2026

Commercial paper outstanding:


(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2026		Year Ended Dec. 31, 2025
Borrowing limit	$	1,200	$	1,200
Amount outstanding at period end	—		260
Average amount outstanding	—		106
Maximum amount outstanding	—		725
Weighted average interest rate, computed on a daily basis	N/A		4.25		%
Weighted average interest rate at period end	N/A		3.89

At Sept. 30, 2026, PSCo had the following committed revolving credit facility available (in millions of dollars):

(a)Expires in December 2029.

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

Money pool borrowings:


(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2026			Year Ended Dec. 31, 2025
Borrowing limit	$	250		$	250
Amount outstanding at period end	—			27
Average amount outstanding	9			37
Maximum amount outstanding	125			250
Weighted average interest rate, computed on a daily basis	3.68		%	4.31		%
Weighted average interest rate at period end	N/A			3.88