Consolidated Condensed Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating Activities
Net income	$ 157,593	$ 172,253
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	126,757	124,211
Accretion expense	3,338	3,007
Deferred income taxes	75,409	37,499
Bad debt expense	2,673	(237)
Exploratory expense	216	19,416
Change in derivative fair value	(314)	(1,746)
Gain on sale of assets	(5,926)	(491)
Other, net	8,543	15,241
Net change in:
Accounts receivable	43,066	97,040
Inventories	(6,061)	5,703
Accounts payable	(20,434)	(50,581)
Amounts due customers including gas supply pass-through	8,513	29,311
Income tax receivable	39,225	(13,062)
Pension and other postretirement benefit contributions	(4,061)	(39,737)
Other current assets and liabilities	12,589	2,686
Net cash provided by operating activities	441,126	400,513
Investing Activities
Additions to property, plant and equipment	(378,640)	(171,185)
Acquisitions, net of cash acquired	(60,937)	(5,580)
Proceeds from sale of assets	7,306	549
Purchase of short-term investments	0	(154,880)
Other, net	(413)	(702)
Net cash used in investing activities	(432,684)	(331,798)
Financing Activities
Payment of dividends on common stock	(19,458)	(18,687)
Issuance of common stock	6,202	586
Payment of long-term debt	(293)	(519)
Net change in short-term debt	(3,000)	0
Tax benefit on stock compensation	880	708
Net cash used in financing activities	(15,669)	(17,912)
Net change in cash and cash equivalents	(7,227)	50,803
Cash and cash equivalents at beginning of period	22,659	75,844
Cash and Cash Equivalents at End of Period	15,432	126,647
Alabama Gas Corporation
Operating Activities
Net income	44,437	43,906
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	19,626	24,929
Deferred income taxes	12,962	7,270
Bad debt expense	2,660	(225)
Other, net	1,620	3,516
Net change in:
Accounts receivable	31,975	50,953
Inventories	1,919	11,468
Accounts payable	(17,284)	(18,070)
Amounts due customers including gas supply pass-through	8,513	29,311
Income tax receivable	8,238	1,513
Pension and other postretirement benefit contributions	(1,406)	(24,286)
Other current assets and liabilities	4,491	9,743
Net cash provided by operating activities	117,751	140,028
Investing Activities
Additions to property, plant and equipment	(34,386)	(36,586)
Other, net	(1,545)	(1,229)
Net cash used in investing activities	(35,931)	(37,815)
Financing Activities
Payment of dividends on common stock	(14,698)	(18,684)
Payment of long-term debt	(293)	(519)
Net decreases in advances from affiliates	0	(24,962)
Net change in short-term debt	(70,000)	0
Net cash used in financing activities	(84,991)	(44,165)
Net change in cash and cash equivalents	(3,171)	58,048
Cash and cash equivalents at beginning of period	16,910	9,460
Cash and Cash Equivalents at End of Period	$ 13,739	$ 67,508