Statements of Changes in Common Equity SYSTEM ENERGY RESOURCES, INC.) (Unaudited) (USD $) In Thousands	Total		Common Stock	Retained Earnings		System Energy	System Energy Common Stock	System Energy Retained Earnings
Beginning Balance at Dec. 31, 2009	$ 8,707,360		$ 2,548	$ 8,043,122		$ 829,942	$ 789,350	$ 40,592
Net income	539,097	[1]		529,064	[1]	41,005		41,055
Common stock	(298,796)					(36,700)		(36,700)
Ending Balance at Jun. 30, 2010	8,864,738		2,548	8,273,153		834,297	789,350	44,947
Beginning Balance at Mar. 31, 2010
Net income	320,283					20,442
Ending Balance at Jun. 30, 2010	8,864,738		2,548			834,297	789,350
Beginning Balance at Dec. 31, 2010	8,590,400		2,548	8,689,401		812,366	789,350	23,016
Net income	574,277	[1]		564,246	[1]	41,322		41,322
Common stock	(296,355)					(39,300)		(39,300)
Ending Balance at Jun. 30, 2011	8,691,566		2,548	8,957,516		814,388	789,350	25,038
Beginning Balance at Mar. 31, 2011
Net income	320,598					21,986
Ending Balance at Jun. 30, 2011	$ 8,691,566		$ 2,548			$ 814,388	$ 789,350

[1] Consolidated net income and preferred dividend requirements of subsidiaries for both 2010 and 2011 include $6.6 million of preferred dividends on subsidiaries' preferred stock without sinking fund that is not presented as equity.