Committed Lines of Credit (Tables)

12 Months Ended

Dec. 31, 2014

Schedule Of Borrowings Outstanding And Letters Of Credit

	2014			2013
Balance outstanding at end of period	$	105,000		$	171,000
Letters of credit outstanding at end of period	$	32,579		$	27,434
Average interest rate at end of period	0.93		%	1.02		%

Ecova [Member]

Schedule Of Borrowings Outstanding And Letters Of Credit

	2013
Balance outstanding at end of period	$	46,000
Average interest rate at end of period	2.17		%

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