Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
ASSETS
UTILITY PLANT, at original cost	$ 384,291	$ 380,784
Plant acquisition adjustments	(3,093)	(3,108)
Accumulated depreciation	(80,068)	(78,519)
Net utility plant	301,130	299,157
OTHER PHYSICAL PROPERTY, net of accumulated depreciation of $415 in 2019 and $410 in 2018	709	714
CURRENT ASSETS:
Cash and cash equivalents	2	2
Accounts receivable, net of reserves of $326 in 2019 and $305 in 2018	4,114	4,811
Unbilled revenues	2,155	2,427
Materials and supplies inventories, at cost	1,040	876
Prepaid expenses	1,339	895
Total current assets	8,650	9,011
OTHER LONG-TERM ASSETS:
Note receivable	255	255
Deferred regulatory assets	32,321	32,353
Other assets	3,665	3,650
Total other long-term assets	36,241	36,258
Total Assets	346,730	345,140
COMMON STOCKHOLDERS' EQUITY:
Common stock, no par value, authorized 46,500,000 shares, issued and outstanding 12,954,976 shares in 2019 and 12,943,536 shares in 2018	81,703	81,305
Retained earnings	45,460	44,890
Total common stockholders' equity	127,163	126,195
PREFERRED STOCK, authorized 500,000 shares, no shares issued	0	0
LONG-TERM DEBT, excluding current portion	94,089	93,328
COMMITMENTS
CURRENT LIABILITIES:
Short-term borrowings	0	1,000
Current portion of long-term debt	19	30
Accounts payable	2,690	3,030
Dividends payable	2,003	1,999
Accrued compensation and benefits	1,129	1,191
Accrued income taxes	524	150
Accrued interest	1,409	992
Deferred regulatory liabilities	2,211	2,104
Other accrued expenses	395	345
Total current liabilities	10,380	10,841
DEFERRED CREDITS:
Customers' advances for construction	7,214	6,849
Deferred income taxes	37,202	36,962
Deferred employee benefits	4,200	4,715
Deferred regulatory liabilities	24,745	24,710
Other deferred credits	2,010	1,815
Total deferred credits	75,371	75,051
Contributions in aid of construction	39,727	39,725
Total Stockholders' Equity and Liabilities	$ 346,730	$ 345,140