Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
UTILITY PLANT, at original cost	$ 377,647	$ 365,767
Plant acquisition adjustments	(3,191)	(3,234)
Accumulated depreciation	(78,146)	(73,746)
Net utility plant	296,310	288,787
OTHER PHYSICAL PROPERTY, net of accumulated depreciation of $406 in 2018 and $387 in 2017	718	737
CURRENT ASSETS:
Cash and cash equivalents	2	2
Accounts receivable, net of reserves of $330 in 2018 and $305 in 2017	4,723	4,547
Unbilled revenues	2,332	2,459
Materials and supplies inventories, at cost	953	906
Prepaid expenses	1,037	697
Total current assets	9,047	8,611
OTHER LONG-TERM ASSETS:
Note receivable	255	255
Deferred regulatory assets	30,386	30,331
Other assets	3,634	3,309
Total other long-term assets	34,275	33,895
Total Assets	340,350	332,030
COMMON STOCKHOLDERS' EQUITY:
Common stock, no par value, authorized 46,500,000 shares, shares issued and outstanding 12,928,085 in 2018 and 12,872,742 in 2017	80,817	79,201
Retained earnings	43,455	40,204
Total common stockholders' equity	124,272	119,405
PREFERRED STOCK, authorized 500,000 shares, no shares issued	0	0
LONG-TERM DEBT, excluding current portion	79,289	90,098
COMMITMENTS
CURRENT LIABILITIES:
Short-term borrowings	1,000	1,000
Current portion of long-term debt	11,041	44
Accounts payable	4,076	3,136
Dividends payable	1,914	1,892
Accrued compensation and benefits	1,113	1,134
Accrued income taxes	132	531
Accrued interest	1,437	989
Other accrued expenses	425	419
Total current liabilities	21,138	9,145
DEFERRED CREDITS:
Customers' advances for construction	6,855	6,324
Deferred income taxes	37,103	34,754
Deferred employee benefits	5,575	7,075
Deferred regulatory liabilities	25,497	24,372
Other deferred credits	1,573	2,196
Total deferred credits	76,603	74,721
Contributions in aid of construction	39,048	38,661
Total Stockholders' Equity and Liabilities	$ 340,350	$ 332,030