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SHORT-TERM DEBT AND LINES OF CREDIT
 9 Months Ended
Sep. 30, 2025
Short-Term Debt [Abstract]  
SHORT-TERM DEBT AND LINES OF CREDIT SHORT-TERM DEBT AND LINES OF CREDIT
The following table shows our short-term borrowings and their corresponding weighted-average interest rates:
(in millions, except percentages)September 30, 2025December 31, 2024
Commercial paper
Amount outstanding$1,256.1 $1,114.4 
Weighted-average interest rate on amounts outstanding 4.25 %4.63 %
Operating expense loans
Amount outstanding (1)
$4.5 $2.2 

(1)Coyote Ridge Wind, LLC, Tatanka Ridge, Jayhawk, and Samson I have entered into operating expense loans. In accordance with their limited liability company operating agreements, they received loans from the holders of their noncontrolling interests in proportion to their ownership interests.

Our average amount of commercial paper borrowings based on daily outstanding balances during the nine months ended September 30, 2025 was $1,042.3 million with a weighted-average interest rate during the period of 4.57%.
The information in the table below relates to our revolving credit facilities used to support our commercial paper borrowing programs, including remaining available capacity under these facilities:
(in millions)MaturitySeptember 30, 2025
WEC Energy Group (1) (2)
August 2030$1,700.0 
WE (1)
August 2030800.0 
PGL (1)
August 2030600.0 
WPS (1)
August 2030450.0 
WG (3)
August 2030350.0 
Total short-term credit capacity$3,900.0 
Less: 
Letters of credit issued inside credit facilities$2.3 
Commercial paper outstanding1,256.1 
Available capacity under existing agreements$2,641.6 

(1)In August 2025, the capacity of the credit facilities for each of WEC Energy Group, WE, PGL, and WPS were increased to $1,700.0 million, $800.0 million, $600.0 million, and $450.0 million, respectively, and the maturity for each facility was extended to August 2030.

(2)In August 2025, WEC Energy Group terminated its $200.0 million bilateral credit facility.

(3)In August 2025, WG extended the maturity of its credit facility to August 2030.