Statements of Cash Flows (SYSTEM ENERGY RESOURCES, INC.) (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010
OPERATING ACTIVITIES
Net income	$ 1,207,346	[1]	$ 1,036,999	[1]
Adjustments to reconcile net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization	1,315,730		1,259,543
Deferred income taxes, investment tax credits, and non-current taxes accrued	(5,979)		524,359
Changes in assets and liabilities:
Receivables	(213,524)		(243,326)
Accounts payable	(238,879)		44,348
Prepaid taxes and taxes accrued	245,242		45,198
Interest accrued	(53,307)		(10,982)
Other working capital accounts	(31,319)		(162,284)
Provisions for estimated losses	(4,608)		258,962
Other regulatory assets	250,747		482,960
Pension and other postretirement liabilities	(275,690)		(142,420)
Other assets and liabilities	40,801		134,059
Net cash flow provided by operating activities	2,129,756		3,165,089
INVESTING ACTIVITIES
Construction/capital expenditures	(1,460,668)		(1,410,708)
Allowance for equity funds used during construction	61,096		45,990
Nuclear fuel purchases	(475,418)		(315,780)
Proceeds from nuclear decommissioning trust fund sales	1,053,089		1,974,008
Investment in nuclear decommissioning trust funds	(1,142,364)		(2,043,361)
Change in money pool receivable - net	(443)		(23,182)
Decrease (increase) in other investments	(60,693)		117,696
Net cash flow used in investing activities	(2,395,503)		(1,994,744)
FINANCING ACTIVITIES
Proceeds from the issuance of long-term debt	1,535,634		2,272,224
Retirement of long-term debt	(947,401)		(2,113,927)
Changes in credit borrowings - net	30,036		(18,932)
Dividends paid:
Common stock	(443,290)		(453,683)
Net cash flow used in financing activities	(41,810)		(949,227)
Net increase (decrease) in cash and cash equivalents	(307,332)		221,368
Cash and cash equivalents at beginning of period	1,294,472		1,709,551
Cash and cash equivalents at end of period	987,140		1,930,919
Cash paid during the period for:
Interest - net of amount capitalized	413,525		400,124
Income taxes	(11)		32,964
System Energy
OPERATING ACTIVITIES
Net income	55,585		63,354
Adjustments to reconcile net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization	162,492		152,269
Deferred income taxes, investment tax credits, and non-current taxes accrued	(53,032)		(69,029)
Changes in assets and liabilities:
Receivables	(2,916)		(5,668)
Accounts payable	1,449		(7,970)
Prepaid taxes and taxes accrued	94,285		77,667
Interest accrued	(35,671)		(17,978)
Other working capital accounts	6,928		(19,727)
Provisions for estimated losses			(2,009)
Other regulatory assets	53,727		38,221
Pension and other postretirement liabilities	(23,598)		(11,594)
Other assets and liabilities	(25,445)		(6,777)
Net cash flow provided by operating activities	233,804		190,759
INVESTING ACTIVITIES
Construction/capital expenditures	(164,013)		(113,771)
Proceeds from the transfer of development costs			100,280
Allowance for equity funds used during construction	15,433		6,862
Nuclear fuel purchases	(41,717)		(129,504)
Proceeds from the sale of nuclear fuel	12,420
Proceeds from nuclear decommissioning trust fund sales	166,890		236,685
Investment in nuclear decommissioning trust funds	(190,713)		(257,258)
Change in money pool receivable - net	24,378		(3,969)
Decrease (increase) in other investments			25,560
Net cash flow used in investing activities	(177,322)		(135,115)
FINANCING ACTIVITIES
Proceeds from the issuance of long-term debt			56,688
Retirement of long-term debt	(38,161)		(41,715)
Changes in credit borrowings - net	(38,264)		37,777
Dividends paid:
Common stock	(62,000)		(94,200)
Other	(4,139)
Net cash flow used in financing activities	(142,564)		(41,450)
Net increase (decrease) in cash and cash equivalents	(86,082)		14,194
Cash and cash equivalents at beginning of period	263,772		264,482
Cash and cash equivalents at end of period	177,690		278,676
Cash paid during the period for:
Interest - net of amount capitalized	28,409		23,987
Income taxes			$ 26,617

[1] Consolidated net income and preferred dividend requirements of subsidiaries for both 2010 and 2011 include $10.1 million of preferred dividends on subsidiaries' preferred stock without sinking fund that is not presented as equity.