Committed Lines of Credit (Tables)

12 Months Ended

Dec. 31, 2013

Schedule Of Borrowings Outstanding And Letters Of Credit

	2013			2012			2011
Balance outstanding at end of period	$	171,000		$	52,000		$	61,000
Letters of credit outstanding at end of period	$	27,434		$	35,885		$	29,030
Average interest rate at end of period	1.02		%	1.12		%	1.12		%

Ecova [Member]

Schedule Of Borrowings Outstanding And Letters Of Credit

	2013			2012			2011
Balance outstanding at end of period	$	46,000		$	54,000		$	35,000
Average interest rate at end of period	2.17		%	2.21		%	2.38		%

As of December 31, 2013 the borrowings outstanding under Ecova's committed line of credit were classified as long-term borrowings under committed line of credit on the Consolidated Balance Sheet.