Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
ASSETS
UTILITY PLANT, at original cost	$ 373,021	$ 365,767
Plant acquisition adjustments	(3,205)	(3,234)
Accumulated depreciation	(76,642)	(73,746)
Net utility plant	293,174	288,787
OTHER PHYSICAL PROPERTY, net of accumulated depreciation of $400 in 2018 and $387 in 2017	724	737
CURRENT ASSETS:
Cash and cash equivalents	2	2
Accounts receivable, net of reserves of $343 in 2018 and $305 in 2017	4,321	4,547
Unbilled revenues	2,517	2,459
Recoverable income taxes	375	0
Materials and supplies inventories, at cost	876	906
Prepaid expenses	930	697
Total current assets	9,021	8,611
OTHER LONG-TERM ASSETS:
Note receivable	255	255
Deferred regulatory assets	30,076	30,331
Other assets	3,540	3,309
Total other long-term assets	33,871	33,895
Total Assets	336,790	332,030
COMMON STOCKHOLDERS' EQUITY:
Common stock, no par value, authorized 46,500,000 shares, shares issued and outstanding 12,914,267 in 2018 and 12,872,742 in 2017	80,404	79,201
Retained earnings	41,807	40,204
Total common stockholders' equity	122,211	119,405
PREFERRED STOCK, authorized 500,000 shares, no shares issued	0	0
LONG-TERM DEBT, excluding current portion	80,993	90,098
COMMITMENTS
CURRENT LIABILITIES:
Short-term borrowings	0	1,000
Current portion of long-term debt	11,044	44
Accounts payable	3,444	3,136
Dividends payable	1,906	1,892
Accrued compensation and benefits	1,118	1,134
Accrued income taxes	0	531
Accrued interest	989	989
Other accrued expenses	390	419
Total current liabilities	18,891	9,145
DEFERRED CREDITS:
Customers' advances for construction	6,570	6,324
Deferred income taxes	36,148	34,754
Deferred employee benefits	6,075	7,075
Deferred regulatory liabilities	25,344	24,372
Other deferred credits	1,720	2,196
Total deferred credits	75,857	74,721
Contributions in aid of construction	38,838	38,661
Total Stockholders' Equity and Liabilities	$ 336,790	$ 332,030