Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Cash and cash equivalents:
Cash	$ 94,968	$ 76,290
Temporary cash investments	434,890	1,218,182
Total cash and cash equivalents	529,858	1,294,472
Securitization recovery trust account	33,938	43,044
Accounts receivable:
Customer	693,937	602,796
Allowance for doubtful accounts	(31,002)	(31,777)
Other	162,190	161,662
Accrued unbilled revenues	377,977	302,901
Total accounts receivable	1,203,102	1,035,582
Deferred fuel costs	111,444	64,659
Accumulated deferred income taxes	6,975	8,472
Fuel inventory - at average cost	212,982	207,520
Materials and supplies - at average cost	869,341	866,908
Deferred nuclear refueling outage costs	287,282	218,423
System agreement cost equalization	66,351	52,160
Prepaid taxes	304,617	301,807
Prepayments and other	237,252	246,036
TOTAL	3,863,142	4,339,083
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	44,172	40,697
Decommissioning trust funds	3,775,026	3,595,716
Non-utility property - at cost (less accumulated depreciation)	260,614	257,847
Other	412,090	405,946
TOTAL	4,491,902	4,300,206
PROPERTY, PLANT AND EQUIPMENT
Electric	38,179,664	37,153,061
Property under capital lease	790,533	800,078
Natural gas	336,814	330,608
Construction work in progress	1,799,906	1,661,560
Nuclear fuel	1,451,087	1,377,962
TOTAL PROPERTY, PLANT AND EQUIPMENT	42,558,004	41,323,269
Less - accumulated depreciation and amortization	17,919,151	17,474,914
PROPERTY, PLANT AND EQUIPMENT - NET	24,638,853	23,848,355
Regulatory assets:
Regulatory asset for income taxes - net	841,137	845,725
Other regulatory assets (includes securitization property of $852,723 as of June 30, 2011 and $882,346 as of December 31, 2010)	3,736,785	3,838,237
Deferred fuel costs	172,202	172,202
Goodwill	377,172	377,172
Accumulated deferred income taxes	80,910	54,523
Other	927,658	909,773
TOTAL	6,135,864	6,197,632
TOTAL ASSETS	39,129,761	38,685,276
CURRENT LIABILITIES
Currently maturing long-term debt	128,062	299,548
Notes payable	130,795	154,135
Accounts payable	1,044,217	1,181,099
Customer deposits	345,079	335,058
Accumulated deferred income taxes	99,147	49,307
Interest accrued	178,280	217,685
Deferred fuel costs	15,142	166,409
Obligations under capital leases	3,599	3,388
Pension and other postretirement liabilities	40,235	39,862
System agreement cost equalization	66,351	52,160
Other	191,497	277,598
TOTAL	2,242,404	2,776,249
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	8,867,158	8,573,646
Accumulated deferred investment tax credits	284,852	292,330
Obligations under capital leases	40,177	42,078
Other regulatory liabilities	578,821	539,026
Decommissioning and asset retirement cost liabilities	3,218,881	3,148,479
Accumulated provisions	390,089	395,250
Pension and other postretirement liabilities	1,942,685	2,175,364
Long-term debt (includes securitization bonds of $895,824 as of June 30, 2011 and $931,131 as of December 31, 2010)	12,057,368	11,317,157
Other	599,015	618,559
TOTAL	27,979,046	27,101,889
Commitments and Contingencies
Subsidiaries' Preferred stock without sinking fund	216,745	216,738
Common Shareholders' Equity:
Common stock, $.01 par value, authorized 500,000,000 shares; issued 254,752,788 shares in 2011 and in 2010	2,548	2,548
Paid-in capital	5,366,132	5,367,474
Retained earnings	8,957,516	8,689,401
Accumulated other comprehensive loss	(75,156)	(38,212)
Less - treasury stock, at cost (77,919,322 shares in 2011 and 76,006,920 shares in 2010)	5,653,474	5,524,811
Total common shareholders' equity	8,597,566	8,496,400
Subsidiaries' preferred stock without sinking fund	94,000	94,000
TOTAL	8,691,566	8,590,400
TOTAL LIABILITIES AND EQUITY	$ 39,129,761	$ 38,685,276