Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

VALUATION AND QUALIFYING ACCOUNTS

Energen Corporation

Years ended December 31, (in thousands)	2011			2010			2009
ALLOWANCE FOR DOUBTFUL ACCOUNTS
Balance at beginning of year	$	15,048		$	17,251		$	12,868
Additions:
Charged to income	4,269			2,665			11,200
Recoveries and adjustments	(1,744		)	(1,100		)	(512		)
Net additions	2,525			1,565			10,688
Less uncollectible accounts written off	(4,627		)	(3,768		)	(6,305		)
Balance at end of year	$	12,946		$	15,048		$	17,251

Alabama Gas Corporation

Years ended December 31, (in thousands)	2011			2010			2009
ALLOWANCE FOR DOUBTFUL ACCOUNTS
Balance at beginning of year	$	14,200		$	16,400		$	12,100
Additions:
Charged to income	4,202			2,655			11,122
Recoveries and adjustments	(1,745		)	(1,094		)	(517		)
Net additions	2,457			1,561			10,605
Less uncollectible accounts written off	(4,557		)	(3,761		)	(6,305		)
Balance at end of year	$	12,100		$	14,200		$	16,400