Short-term Debt and Lines of Credit

6 Months Ended

Jun. 30, 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)	June 30, 2016			December 31, 2015
Commercial paper
Amount outstanding	$	927.8		$	1,095.0
Weighted-average interest rate on amounts outstanding	0.66		%	0.68		%

Our average amount of commercial paper borrowings based on daily outstanding balances during the six months ended June 30, 2016, was $903.5 million with a weighted-average interest rate during the period of 0.61%.

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	June 30, 2016
WEC Energy Group	December 2020	$	1,050.0
WE	December 2020	500.0
WPS	December 2020	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		$	26.0
Commercial paper outstanding		927.8
Available capacity under existing agreements		$	1,546.2

In May 2016, WPS received approval from the PSCW to extend the maturity date of its revolving credit facility from December 2016 to December 2020.