Lines of Credit and Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2012

Lines of Credit and Short-Term Borrowings

Schedule of credit facilities and amounts available and outstanding

The table below presents the consolidated credit facilities and the amounts available and outstanding as of December 31, 2012 (dollars in millions):

Credit Facility	Expiration	Amount Committed		Unused Amount (a)		Commitment Fees
Pinnacle West Revolving Credit Facility	November 2016	$	200	$	200	0.225	%
APS Revolving Credit Facility	November 2016	500		408		0.175	%
APS Revolving Credit Facility	February 2015	500		500		0.20	%
Total		$	1,200	$	1,108

(a) At December 31, 2012, APS had $92 million of outstanding commercial paper.  Accordingly, at such date the total combined amount available under its two $500 million credit facilities was $908 million.

The table below presents the consolidated credit facilities and the amounts available and outstanding as of December 31, 2011 (dollars in millions):

Credit Facility	Expiration	Amount Committed		Unused Amount (a)		Commitment Fees
Pinnacle West Revolving Credit Facility	November 2016	$	200	$	200	0.275	%
APS Revolving Credit Facility	November 2016	500		500		0.225	%
APS Revolving Credit Facility	February 2015	500		500		0.250	%
Total		$	1,200	$	1,200

(a) These facilities were also fully available as of December 31, 2011.