SHORT-TERM DEBT AND LINES OF CREDIT (Tables)

6 Months Ended

Jun. 30, 2014

Short-term Debt [Abstract]

Schedule of short-term borrowings

Our outstanding short-term borrowings were as follows:

(Millions, except percentages)	June 30, 2014			December 31, 2013
Commercial paper	$	60.4		$	25.6
Average interest rate on commercial paper	0.21		%	0.14		%

Schedule of revolving credit facilities and remaining available capacity

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, 2014		December 31, 2013
Revolving credit facility (1)	05/17/2014	$	—	$	135.0
Revolving credit facility (2)	05/07/2015	135.0		—
Revolving credit facility	06/13/2017	115.0		115.0
Total short-term credit capacity		$	250.0	$	250.0
Less:
Commercial paper outstanding		60.4		25.6
Available capacity under existing agreements		$	189.6	$	224.4

⁽¹⁾  This credit facility was terminated and replaced with a new credit facility in May 2014.

⁽²⁾  We requested approval from the PSCW to extend this facility through May 8, 2019.