Borrowings and Other Financing Instruments (Tables)

9 Months Ended

Sep. 30, 2020

Borrowings and Other Financing Instruments [Abstract]

Credit Facilities

As of Sept. 30, 2020, 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 June 2024.

(b)Includes outstanding commercial paper.

Commercial Paper

Borrowings and Other Financing Instruments [Abstract]

Short-Term Borrowings

Commercial paper outstanding for NSP-Wisconsin was as follows:

(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2020		Year Ended Dec. 31, 2019
Borrowing limit	$	150	$	150
Amount outstanding at period end	—		65
Average amount outstanding	—		51
Maximum amount outstanding	—		93
Weighted average interest rate, computed on a daily basis	N/A		2.38		%
Weighted average interest rate at period end	N/A		1.97