Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Operating Revenues
Regulated energy	$ 53,789	$ 53,412	$ 193,118	$ 197,779
Unregulated energy	23,721	20,134	112,164	104,018
Other	3,100	2,920	8,757	7,990
Total operating revenues	80,610	76,466	314,039	309,787
Operating Expenses
Regulated energy cost of sales	25,811	27,257	98,683	106,146
Unregulated energy and other cost of sales	20,306	17,238	89,017	82,713
Operations	19,560	18,322	59,796	55,847
Maintenance	2,029	1,899	5,624	5,388
Depreciation and amortization	4,978	4,688	14,936	14,075
Other taxes	2,332	2,479	7,774	7,876
Total operating expenses	75,016	71,883	275,830	272,045
Operating Income	5,594	4,583	38,209	37,742
Other income, net of expenses	649	102	699	206
Interest charges	2,389	2,256	6,654	6,924
Income Before Income Taxes	3,854	2,429	32,254	31,024
Income tax expense	1,457	801	12,590	12,082
Net Income	$ 2,397	$ 1,628	$ 19,664	$ 18,942
Weighted-Average Common Shares Outstanding:
Basic	9,564,012	9,493,425	9,552,472	9,460,462
Diluted	9,657,970	9,497,696	9,647,632	9,570,921
Earnings Per Share of Common Stock:
Basic	$ 0.25	$ 0.17	$ 2.06	$ 2.00
Diluted	$ 0.25	$ 0.17	$ 2.04	$ 1.98
Cash Dividends Declared Per Share of Common Stock	$ 0.345	$ 0.330	$ 1.020	$ 0.975