Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statements of Income [Abstract]
OPERATING REVENUES:	$ 20,361	$ 19,715	$ 58,016	$ 56,093
OPERATING EXPENSES:
Operation and maintenance	5,364	4,961	15,398	14,635
Administrative and general	3,070	3,013	9,331	9,244
Depreciation and amortization	3,568	3,297	10,638	9,647
Taxes other than income taxes	445	389	1,366	1,235
Operating expenses	12,447	11,660	36,733	34,761
Operating income	7,914	8,055	21,283	21,332
OTHER INCOME (EXPENSES):
Interest on debt	(2,615)	(2,243)	(7,555)	(6,549)
Allowance for funds used during construction	218	301	594	1,782
Other pension costs	133	159	398	365
Other income (expenses), net	(32)	(51)	(307)	(266)
Other income (expenses)	(2,296)	(1,834)	(6,870)	(4,668)
Income before income taxes	5,618	6,221	14,413	16,664
Income tax expense (benefit)	(583)	358	(478)	1,481
Net Income	$ 6,201	$ 5,863	$ 14,891	$ 15,183
Basic Earnings Per Share (in dollars per share)	$ 0.43	$ 0.41	$ 1.03	$ 1.06
Diluted Earnings Per Share (in dollars per share)	$ 0.43	$ 0.41	$ 1.03	$ 1.06

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.