SHORT-TERM DEBT AND LINES OF CREDIT

3 Months Ended

Mar. 31, 2018

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, 2018			December 31, 2017
Commercial paper
Amount outstanding	$	1,200.3		$	1,444.6
Weighted-average interest rate on amounts outstanding	2.24		%	1.77		%

Our average amount of commercial paper borrowings based on daily outstanding balances during the three months ended March 31, 2018, was $1,254.4 million with a weighted-average interest rate during the period of 1.90%.

The information in the table below relates to our revolving credit facilities used to support our commercial paper borrowing programs, including available capacity under these facilities:

(in millions)	Maturity	March 31, 2018
WEC Energy Group	October 2022	$	1,200.0
WE	October 2022	500.0
WPS	October 2022	400.0
WG	October 2022	350.0
PGL	October 2022	350.0
Total short-term credit capacity		$	2,800.0
Less:
Letters of credit issued inside credit facilities		$	1.2
Commercial paper outstanding		1,200.3
Available capacity under existing agreements		$	1,598.5