Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
ASSETS
UTILITY PLANT, at original cost	$ 406,655	$ 401,383
Plant acquisition adjustments	(3,301)	(3,318)
Accumulated depreciation	(86,409)	(84,841)
Net utility plant	316,945	313,224
OTHER PHYSICAL PROPERTY, net of accumulated depreciation of $442 in 2020 and $435 in 2019	762	769
CURRENT ASSETS:
Cash and cash equivalents	2	2
Accounts receivable, net of reserves of $343 in 2020 and $305 in 2019	4,875	4,421
Unbilled revenues	2,693	2,276
Recoverable income taxes	14	547
Materials and supplies inventories, at cost	1,078	1,007
Prepaid expenses	1,274	1,131
Total current assets	9,936	9,384
OTHER LONG-TERM ASSETS:
Prepaid pension cost	2,505	1,819
Note receivable	255	255
Deferred regulatory assets	35,228	34,189
Other assets	3,805	3,889
Total other long-term assets	41,793	40,152
Total Assets	369,436	363,529
COMMON STOCKHOLDERS' EQUITY:
Common stock, no par value, authorized 46,500,000 shares, issued and outstanding 13,024,187 shares in 2020 and 13,014,898 shares in 2019	84,424	83,976
Retained earnings	51,865	50,209
Total common stockholders' equity	136,289	134,185
PREFERRED STOCK, authorized 500,000 shares, no shares issued	0	0
LONG-TERM DEBT, excluding current portion	94,884	94,535
COMMITMENTS
CURRENT LIABILITIES:
Current portion of long-term debt	6,500	6,500
Accounts payable	3,924	3,452
Dividends payable	2,101	2,096
Accrued compensation and benefits	1,222	1,247
Accrued interest	1,122	914
Deferred regulatory liabilities	382	609
Other accrued expenses	432	338
Total current liabilities	15,683	15,156
DEFERRED CREDITS:
Customers' advances for construction	9,197	7,844
Deferred income taxes	40,616	40,426
Deferred employee benefits	4,294	4,317
Deferred regulatory liabilities	25,541	24,790
Other deferred credits	2,895	2,247
Total deferred credits	82,543	79,624
Contributions in aid of construction	40,037	40,029
Total Stockholders' Equity and Liabilities	$ 369,436	$ 363,529