Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
OPERATING REVENUES:
Residential	$ 8,102	$ 7,911	$ 23,247	$ 22,633
Commercial and industrial	3,673	3,777	10,262	10,357
Other	917	913	2,727	2,709
Operating Revenues	12,692	12,601	36,236	35,699
OPERATING EXPENSES:
Operation and maintenance	2,362	2,098	6,650	6,019
Administrative and general	2,236	2,217	7,118	6,705
Depreciation and amortization	1,697	1,614	5,064	4,796
Taxes other than income taxes	250	258	871	856
Operating Expenses	6,545	6,187	19,703	18,376
Operating income	6,147	6,414	16,533	17,323
OTHER INCOME (EXPENSES):
Interest on debt	(1,346)	(1,320)	(3,988)	(3,941)
Allowance for funds used during construction	311	51	630	151
Other income (expenses), net	(73)	(196)	(293)	(458)
Other Income (Expenses)	(1,108)	(1,465)	(3,651)	(4,248)
Income before income taxes	5,039	4,949	12,882	13,075
Income taxes	1,108	1,378	3,435	4,171
Net Income	$ 3,931	$ 3,571	$ 9,447	$ 8,904
Basic Earnings Per Share (in dollars per share)	$ 0.31	$ 0.27	$ 0.74	$ 0.69
Diluted Earnings Per Share (in dollars per share)	0.31	0.27	0.74	0.69
Cash Dividends Declared Per Share (in dollars per share)	$ 0.1602	$ 0.1555	$ 0.4806	$ 0.4665