v3.25.2
Borrowings and Other Financing Instruments (Tables)
6 Months Ended
Jun. 30, 2025
Borrowings and Other Financing Instruments [Abstract]  
Credit Facilities
As of June 30, 2025, NSP-Wisconsin had the following committed revolving credit facility available (in millions of dollars):
Credit Facility (a)
Outstanding (b)
Available
$150 $— $150 
(a)Expires in December 2029.
(b)Includes outstanding commercial paper.
Money Pool  
Borrowings and Other Financing Instruments [Abstract]  
Short-Term Borrowings
Money pool borrowings:
(Amounts in Millions, Except Interest Rates)Three Months Ended June 30, 2025Year Ended Dec. 31, 2024
Borrowing limit$150$150
Amount outstanding at period end
Average amount outstanding54
Maximum amount outstanding4254
Weighted average interest rate, computed on a daily basis4.33 %5.34 %
Weighted average interest rate at period endN/AN/A
Commercial Paper  
Borrowings and Other Financing Instruments [Abstract]  
Short-Term Borrowings Commercial paper outstanding:
(Amounts in Millions, Except Interest Rates)Three Months Ended June 30, 2025Year Ended Dec. 31, 2024
Borrowing limit$150$150
Amount outstanding at period end35
Average amount outstanding11
Maximum amount outstanding99
Weighted average interest rate, computed on a daily basisN/A5.42 %
Weighted average interest rate at period endN/A4.59