Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011		Jun. 30, 2010
OPERATING REVENUES
Electric	$ 2,212,038	$ 2,214,108	$ 4,077,936		$ 4,221,038
Natural gas	28,891	31,136	100,014		127,163
Competitive businesses	562,350	617,706	1,166,538		1,274,095
TOTAL	2,803,279	2,862,950	5,344,488		5,622,296
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	563,333	631,546	1,071,026		1,190,214
Purchased power	451,227	416,458	813,845		891,361
Nuclear refueling outage expenses	62,966	64,221	126,951		126,510
Other operation and maintenance	712,496	700,204	1,368,245		1,402,692
Decommissioning	55,497	52,467	110,762		104,043
Taxes other than income taxes	129,215	126,968	254,449		262,380
Depreciation and amortization	264,206	255,567	529,090		524,771
Other regulatory charges (credits) - net	5,601	(10,722)	491		17,370
TOTAL	2,244,541	2,236,709	4,274,859		4,519,341
OPERATING INCOME	558,738	626,241	1,069,629		1,102,955
OTHER INCOME
Allowance for equity funds used during construction	20,753	17,630	38,042		30,926
Interest and investment income	35,921	34,955	62,668		83,164
Miscellaneous - net	(16,962)	(16,780)	(26,360)		(17,302)
TOTAL	39,712	35,805	74,350		96,788
INTEREST EXPENSE
Interest expense	136,049	148,179	272,183		327,379
Allowance for borrowed funds used during construction	(9,150)	(10,323)	(17,684)		(18,325)
TOTAL	126,899	137,856	254,499		309,054
INCOME BEFORE INCOME TAXES	471,551	524,190	889,480		890,689
Income taxes	150,953	203,907	315,203		351,592
NET INCOME	320,598	320,283	574,277	[1]	539,097	[1]
Preferred dividend requirements of subsidiaries	5,015	5,017	10,031		10,033
Earnings Applicable to Common Stock	$ 315,583	$ 315,266	$ 564,246		$ 529,064
Earnings per average common share:
Basic	$ 1.77	$ 1.67	$ 3.16		$ 2.80
Diluted	$ 1.76	$ 1.65	$ 3.14		$ 2.77
Dividends declared per common share	$ 0.83	$ 0.83	$ 1.66		$ 1.58
Basic average number of common shares outstanding	177,808,890	188,776,240	178,318,784		188,988,284
Diluted average number of common shares outstanding	178,925,180	190,717,958	179,502,551		190,999,699

[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.