v3.4.0.3
Short-term Debt and Lines of Credit
3 Months Ended
Mar. 31, 2016
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)
 
March 31, 2016
 
December 31, 2015
Commercial paper
 
 
 
 
Amount outstanding
 
$
896.4

 
$
1,095.0

Weighted-average interest rate on amounts outstanding
 
0.61
%
 
0.68
%


Our average amount of commercial paper borrowings based on daily outstanding balances during the three months ended March 31, 2016, was $1,043.7 million with a weighted-average interest rate during the period of 0.63%.

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)
 
Maturity
 
March 31, 2016
WEC Energy Group
 
December 2020
 
$
1,050.0

WE
 
December 2020
 
500.0

WPS *
 
December 2016
 
250.0

WG
 
December 2020
 
350.0

PGL
 
December 2020
 
350.0

Total short-term credit capacity
 
 
 
$
2,500.0

 
 
 
 
 
Less:
 
 
 
 

Letters of credit issued inside credit facilities
 
 
 
$
18.0

Commercial paper outstanding
 
 
 
896.4

 
 
 
 
 
Available capacity under existing agreements
 
 
 
$
1,585.6


*
In March 2016, WPS requested approval from the PSCW to extend the maturity through December 2020.