CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Operating Revenues
Electric Retail Sales	$ 316,387	$ 310,632	$ 760,192	$ 739,147
Electric Wholesale Sales	37,053	26,563	111,692	90,503
Other Revenues	33,971	34,044	92,658	93,603
Total Operating Revenues	387,411	371,239	964,542	923,253
Operating Expenses
Fuel	89,199	82,065	225,163	247,417
Purchased Energy	49,902	42,477	125,423	89,815
Transmission and Other PPFAC Recoverable Costs	5,222	4,940	12,683	7,535
Increase (Decrease) to Reflect PPFAC Recovery Treatment	(5,376)	(7,992)	(20,167)	(5,079)
Total Fuel and Purchased Energy	138,947	121,490	343,102	339,688
Operations and Maintenance	112,667	79,335	273,784	239,170
Depreciation	31,966	30,311	93,857	87,729
Amortization	6,973	6,118	21,449	24,393
Taxes Other Than Income Taxes	11,960	10,808	35,800	32,916
Total Operating Expenses	302,513	248,062	767,992	723,896
Operating Income	84,898	123,177	196,550	199,357
Other Income (Deductions)
Interest Income	7	6	181	14
Other Income	2,024	1,466	6,123	3,904
Other Expense	(7,170)	(2,776)	(11,979)	(7,493)
Appreciation (Depreciation) in Fair Value of Investments	(504)	731	375	1,864
Total Other Income (Deductions)	(5,643)	(573)	(5,300)	(1,711)
Interest Expense
Long-Term Debt	15,579	13,848	45,326	42,412
Capital Leases	1,202	6,323	9,048	18,821
Other Interest Expense	104	82	557	(86)
Interest Capitalized	(850)	(644)	(2,878)	(1,671)
Total Interest Expense	16,035	19,609	52,053	59,476
Income Before Income Taxes	63,220	102,995	139,197	138,170
Income Tax Expense	23,576	38,828	51,656	41,737
Net Income	$ 39,644	$ 64,167	$ 87,541	$ 96,433