Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ASSETS
UTILITY PLANT, at original cost	$ 365,767	$ 343,412
Plant acquisition adjustments	(3,234)	(3,667)
Accumulated depreciation	(73,746)	(68,838)
Net utility plant	288,787	270,907
OTHER PHYSICAL PROPERTY, net of accumulated depreciation of $387 in 2017 and $353 in 2016	737	745
CURRENT ASSETS:
Cash and cash equivalents	2	4,209
Accounts receivable, net of reserves of $305 in 2017 and $305 in 2016	4,547	4,296
Unbilled revenues	2,459	2,429
Recoverable income taxes	0	282
Materials and supplies inventories, at cost	906	746
Prepaid expenses	697	658
Total current assets	8,611	12,620
OTHER LONG-TERM ASSETS:
Notes receivable	255	255
Deferred regulatory assets	30,331	33,027
Other assets	3,309	2,940
Total other long-term assets	33,895	36,222
Total Assets	332,030	320,494
COMMON STOCKHOLDERS' EQUITY:
Common stock, no par value, authorized 46,500,000, shares issued 12,872,742 in 2017 and 12,852,295 in 2016, shares outstanding 12,872,742 and 12,852,295 in 2016	79,201	78,513
Retained earnings	40,204	35,548
Total common stockholders' equity	119,405	114,061
PREFERRED STOCK, authorized 500,000 shares, no shares issued	0	0
LONG-TERM DEBT, excluding current portion	90,098	84,609
COMMITMENTS
CURRENT LIABILITIES:
Short-term borrowings	1,000	0
Current portion of long-term debt	44	44
Accounts payable	3,136	3,669
Dividends payable	1,892	1,803
Accrued compensation and benefits	1,134	1,233
Accrued income taxes	531	0
Accrued interest	989	921
Other accrued expenses	419	514
Total current liabilities	9,145	8,184
DEFERRED CREDITS:
Customers' advances for construction	6,324	7,102
Deferred income taxes	34,754	54,169
Deferred employee benefits	7,075	8,990
Deferred regulatory liabilities	24,372	4,433
Other deferred credits	2,196	2,292
Total deferred credits	74,721	76,986
Contributions in aid of construction	38,661	36,654
Total Stockholders' Equity and Liabilities	$ 332,030	$ 320,494