Balance Sheets (ENTERGY MISSISSIPPI, INC.) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Cash and cash equivalents:
Cash	$ 81,468	$ 76,290
Temporary cash investments	612,970	1,218,182
Total cash and cash equivalents	694,438	1,294,472
Accounts receivable:
Customer	568,558	602,796
Allowance for doubtful accounts	(31,159)	(31,777)
Other	166,186	161,662
Accrued unbilled revenues	298,283	302,901
Total accounts receivable	1,001,868	1,035,582
Deferred fuel costs	209,776	64,659
Accumulated deferred income taxes	9,856	8,472
Fuel inventory - at average cost	202,132	207,520
Materials and supplies - at average cost	894,756	866,908
Prepayments and other	291,742	246,036
TOTAL	3,622,703	4,339,083
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	260,436	257,847
TOTAL	4,509,766	4,300,206
UTILITY PLANT
Electric	39,385,524	37,153,061
Property under capital lease	809,449	800,078
Construction work in progress	1,779,723	1,661,560
TOTAL UTILITY PLANT	43,864,413	41,323,269
Less - accumulated depreciation and amortization	18,255,128	17,474,914
PROPERTY, PLANT AND EQUIPMENT - NET	25,609,285	23,848,355
Regulatory assets:
Regulatory asset for income taxes - net	799,006	845,725
Other regulatory assets	4,636,871	3,838,237
Other	955,691	909,773
TOTAL	6,959,945	6,197,632
TOTAL ASSETS	40,701,699	38,685,276
CURRENT LIABILITIES
Currently maturing long-term debt	2,192,733	299,548
Accounts payable:
Associated companies	108,331	154,135
Customer deposits	351,741	335,058
Taxes accrued	278,235	0
Interest accrued	183,512	217,685
Deferred fuel costs	255,839	166,409
System agreement cost equalization	80,090	52,160
Other	283,531	277,598
TOTAL	4,950,699	2,776,249
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	8,096,452	8,573,646
Accumulated deferred investment tax credits	284,747	292,330
Obligations under capital lease	38,421	42,078
Other regulatory liabilities	728,193	539,026
Asset retirement cost liabilities	3,296,570	3,148,479
Accumulated provisions	385,512	395,250
Pension and other postretirement liabilities	3,133,657	2,175,364
Long-term debt	10,043,713	11,317,157
Other	501,954	618,559
TOTAL	26,509,219	27,101,889
Commitments and Contingencies
Subsidiaries' preferred stock without sinking fund	186,511	216,738
COMMON EQUITY
Common stock	2,548	2,548
Capital stock expense and other	5,360,682	5,367,474
Retained earnings	9,446,960	8,689,401
TOTAL	9,055,270	8,590,400
TOTAL LIABILITIES AND EQUITY	40,701,699	38,685,276
Entergy Mississippi
Cash and cash equivalents:
Cash	7	1,207
Temporary cash investments	9	9
Total cash and cash equivalents	16	1,216
Accounts receivable:
Customer	51,026	58,204
Allowance for doubtful accounts	(756)	(985)
Associated companies	51,329	52,946
Other	13,924	7,500
Accrued unbilled revenues	38,368	41,714
Total accounts receivable	153,891	159,379
Deferred fuel costs	0	3,157
Accumulated deferred income taxes	11,694	19,308
Fuel inventory - at average cost	42,499	6,878
Materials and supplies - at average cost	35,716	34,499
Prepayments and other	4,666	4,902
TOTAL	248,482	229,339
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	4,725	4,753
Storm reserve escrow account	31,844	31,862
TOTAL	36,569	36,615
UTILITY PLANT
Electric	3,274,031	3,174,148
Property under capital lease	10,721	13,197
Construction work in progress	105,083	147,169
TOTAL UTILITY PLANT	3,389,835	3,334,514
Less - accumulated depreciation and amortization	1,210,092	1,166,463
PROPERTY, PLANT AND EQUIPMENT - NET	2,179,743	2,168,051
Regulatory assets:
Regulatory asset for income taxes - net	65,196	63,533
Other regulatory assets	393,387	253,231
Other	20,017	22,009
TOTAL	478,600	338,773
TOTAL ASSETS	2,943,394	2,772,778
CURRENT LIABILITIES
Currently maturing long-term debt	0	80,000
Accounts payable:
Associated companies	46,311	75,128
Other	41,489	53,417
Customer deposits	68,610	65,873
Taxes accrued	45,536	32,001
Interest accrued	21,550	21,094
Deferred fuel costs	15,841	0
System agreement cost equalization	0	36,650
Other	17,474	9,895
TOTAL	256,811	374,058
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	672,129	680,467
Accumulated deferred investment tax credits	6,372	6,541
Obligations under capital lease	8,112	10,747
Other regulatory liabilities	0	262
Asset retirement cost liabilities	5,697	5,375
Accumulated provisions	38,289	39,466
Pension and other postretirement liabilities	144,088	104,912
Long-term debt	920,439	745,378
Other	5,370	22,086
TOTAL	1,800,496	1,615,234
Commitments and Contingencies
Subsidiaries' preferred stock without sinking fund	50,381	50,381
COMMON EQUITY
Common stock	199,326	199,326
Capital stock expense and other	(690)	(690)
Retained earnings	637,070	534,469
TOTAL	835,706	733,105
TOTAL LIABILITIES AND EQUITY	$ 2,943,394	$ 2,772,778