Condensed 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
Regulated Energy	$ 54,327	$ 52,740	$ 139,329	$ 144,367
Unregulated Energy	29,692	24,615	88,442	83,885
Other	2,812	2,706	5,658	5,069
Total operating revenues	86,831	80,061	233,429	233,321
Operating Expenses
Regulated energy cost of sales	24,882	24,625	72,872	78,889
Unregulated energy and other cost of sales	24,420	20,384	68,711	65,474
Operations	20,401	18,526	40,237	37,524
Maintenance	1,892	1,789	3,595	3,489
Depreciation and amortization	4,937	4,545	9,958	9,389
Other taxes	2,523	2,431	5,441	5,397
Total operating expenses	79,055	72,300	200,814	200,162
Operating Income	7,776	7,761	32,615	33,159
Other income (loss), net of expenses	27	(11)	50	103
Interest charges	2,114	2,305	4,265	4,667
Income Before Income Taxes	5,689	5,445	28,400	28,595
Income tax expense	2,169	2,105	11,133	11,281
Net Income	$ 3,520	$ 3,340	$ 17,267	$ 17,314
Weighted-Average Common Shares Outstanding:
Basic	9,557,707	9,467,222	9,546,606	9,443,708
Diluted	9,650,887	9,557,352	9,642,374	9,550,670
Earnings Per Share of Common Stock:
Basic	$ 0.37	$ 0.35	$ 1.81	$ 1.83
Diluted	$ 0.37	$ 0.35	$ 1.79	$ 1.82
Cash Dividends Declared Per Share of Common Stock	$ 0.345	$ 0.330	$ 0.675	$ 0.645