Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities
Net Income	$ 57,406	$ 94,268
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	94,534	61,128
Asset impairment	21,545	0
Accretion expense	1,813	1,649
Deferred income taxes	23,182	40,772
Bad debt expense	(258)	718
Exploratory expense	1,076	291
Change in derivative fair value	47,221	(241)
(Gain) loss on sale of assets	47	(25)
Other, net	4,261	3,036
Net change in:
Accounts receivable	20,063	(30,173)
Inventories	1,473	4,840
Accounts payable	7,327	34,050
Amounts due customers including gas supply pass-through	(31,926)	9,032
Income tax receivable	5,852	39,825
Pension and other postretirement benefit contributions	(3,176)	(3,097)
Other current assets and liabilities	(19,460)	6,465
Net cash provided by operating activities	230,980	262,538
Investing Activities
Additions to property, plant and equipment	(276,791)	(146,971)
Acquisitions, net of cash acquired	(68,176)	(4,303)
Proceeds from sale of assets	13,766	552
Other, net	(375)	(25)
Net cash used in investing activities	(331,576)	(150,747)
Financing Activities
Payment of dividends on common stock	(10,095)	(9,727)
Issuance of common stock	604	6,112
Payment of long-term debt	(25)	(31)
Other		0
Net change in short-term debt	150,000	(80,000)
Tax benefit on stock compensation	227	767
Other	(38)	0
Net cash provided by (used in) financing activities	140,673	(82,879)
Net change in cash and cash equivalents	40,077	28,912
Cash and cash equivalents at beginning of period	9,541	22,659
Cash and Cash Equivalents at End of Period	49,618	51,571
Alabama Gas Corporation
Operating Activities
Net Income	46,918	44,175
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	10,446	9,780
Deferred income taxes	3,198	6,400
Bad debt expense	(258)	705
Other, net	(2,564)	1,226
Net change in:
Accounts receivable	14,706	8,085
Inventories	5,985	6,828
Accounts payable	(20,364)	(8,452)
Amounts due customers including gas supply pass-through	(31,926)	9,032
Income tax receivable	8,374	8,968
Pension and other postretirement benefit contributions	(681)	(703)
Other current assets and liabilities	11,425	9,415
Net cash provided by operating activities	45,259	95,459
Investing Activities
Additions to property, plant and equipment	(14,245)	(13,655)
Other, net	(767)	814
Net cash used in investing activities	(15,012)	(12,841)
Financing Activities
Payment of dividends on common stock	(8,027)	(4,994)
Payment of long-term debt	(25)	(31)
Other	(38)
Net increases in advances from affiliates	0	1,687
Net change in short-term debt	10,000	(55,000)
Net cash provided by (used in) financing activities	1,910	(58,338)
Net change in cash and cash equivalents	32,157	24,280
Cash and cash equivalents at beginning of period	7,817	16,910
Cash and Cash Equivalents at End of Period	$ 39,974	$ 41,190