Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities
Net Income	$ 139,759	$ 188,693
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	247,580	196,525
Asset impairment	0	21,545
Accretion expense	4,040	3,674
Deferred income taxes	57,442	55,060
Bad debt expense	457	13
Exploratory expense	937	1,360
Change in derivative fair value	(19,143)	(80,221)
Gain on sale of assets	(105)	(167)
Other, net	20,557	11,543
Net change in:
Accounts receivable	(3,359)	62,635
Inventories	19,550	(1,416)
Accounts payable	12,971	(26,782)
Amounts due customers, including gas supply pass-through	26,797	(46,066)
Income tax receivable	5,668	4,401
Pension and other postretirement benefit contributions	(10,753)	(4,116)
Other current assets and liabilities	37,396	39,186
Net cash provided by operating activities	539,794	425,867
Investing Activities
Additions to property, plant and equipment	(666,377)	(574,360)
Acquisitions, net of cash acquired	(17,183)	(76,894)
Proceeds from sale of assets	2,382	2,117
Other, net	(759)	(504)
Net cash used in investing activities	(681,937)	(649,641)
Financing Activities
Payment of dividends on common stock	(20,945)	(20,193)
Issuance of common stock	108	633
Payment of long-term debt	(10)	(123)
Net change in short-term debt	157,000	295,000
Tax benefit on stock compensation	79	260
Other	0	(38)
Net cash provided by financing activities	136,232	275,539
Net change in cash and cash equivalents	(5,911)	51,765
Cash and cash equivalents at beginning of period	9,704	9,541
Cash and Cash Equivalents at End of Period	3,793	61,306
Alabama Gas Corporation
Operating Activities
Net Income	46,518	47,244
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	21,602	20,979
Deferred income taxes	4,355	6,167
Bad debt expense	450	8
Other, net	7,083	432
Net change in:
Accounts receivable	8,179	30,036
Inventories	11,512	7,474
Accounts payable	(6,828)	(24,516)
Amounts due customers, including gas supply pass-through	26,797	(46,066)
Income tax receivable	2,762	7,858
Pension and other postretirement benefit contributions	(5,600)	(1,363)
Other current assets and liabilities	16,863	9,008
Net cash provided by operating activities	133,693	57,261
Investing Activities
Additions to property, plant and equipment	(44,679)	(32,786)
Other, net	1,878	2,596
Net cash used in investing activities	(42,801)	(30,190)
Financing Activities
Payment of dividends on common stock	(18,876)	(18,104)
Payment of long-term debt	(10)	(123)
Net increases in advances from affiliates	0	14,304
Net change in short-term debt	(77,000)	(15,000)
Other	0	(38)
Net cash provided by financing activities	(95,886)	(18,961)
Net change in cash and cash equivalents	(4,994)	8,110
Cash and cash equivalents at beginning of period	5,559	7,817
Cash and Cash Equivalents at End of Period	$ 565	$ 15,927