Borrowings and Other Financing Instruments (Tables)

6 Months Ended

Jun. 30, 2026

Commercial paper outstanding:


(Amounts in Millions, Except Interest Rates)	Three Months Ended June 30, 2026			Year Ended Dec. 31, 2025
Borrowing limit	$	1,200		$	1,200
Amount outstanding at period end	—			260
Average amount outstanding	2			106
Maximum amount outstanding	40			725
Weighted average interest rate, computed on a daily basis	3.89		%	4.25		%
Weighted average interest rate at period end	N/A			3.89

At June 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 June 30, 2026			Year Ended Dec. 31, 2025
Borrowing limit	$	250		$	250
Amount outstanding at period end	—			27
Average amount outstanding	2			37
Maximum amount outstanding	50			250
Weighted average interest rate, computed on a daily basis	3.65		%	4.31		%
Weighted average interest rate at period end	N/A			3.88