SHORT-TERM DEBT AND LINES OF CREDIT

6 Months Ended

Jun. 30, 2015

Short-Term Debt and Lines of Credit

Our outstanding short-term borrowings were as follows:



(Millions, except percentages)	June 30, 2015				December 31, 2014
Commercial paper	$	314.4		*	$	317.6
Average interest rate on commercial paper outstanding	0.37		%		0.36		%


*	Maturity dates ranged from July 1, 2015, through July 14, 2015.

Our average amount of commercial paper borrowings based on daily outstanding balances during the six months ended June 30, 2015, and 2014, was $165.3 million and $215.6 million, respectively.

We manage our liquidity by maintaining adequate external financing commitments. The information in the table below relates to our revolving credit facilities used to support our commercial paper borrowing program, including remaining available capacity under these facilities:



(Millions)	Maturity	June 30, 2015		December 31, 2014
Revolving credit facility (Integrys Holding)	06/13/2017	$	285.0	$	285.0
Revolving credit facility (Integrys Holding)	05/08/2019	265.0		465.0
Revolving credit facility (WPS)	06/13/2017	115.0		115.0
Revolving credit facility (WPS)	05/08/2019	135.0		135.0
Revolving credit facility (PGL)	06/13/2017	250.0		250.0
Total short-term credit capacity		$	1,050.0	$	1,250.0

Less:
Letters of credit issued inside credit facilities		$	0.7	$	3.4
Commercial paper outstanding		314.4		317.6
Available capacity under existing agreements		$	734.9	$	929.0