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Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
ASSETS    
UTILITY PLANT, at original cost $ 701,167 $ 664,927
Plant acquisition adjustments (9,781) (9,838)
Accumulated depreciation (132,006) (124,082)
Net utility plant 559,380 531,007
OTHER PHYSICAL PROPERTY, net of accumulated depreciation of $564 in 2025 and $536 in 2024 1,509 1,534
CURRENT ASSETS:    
Cash and cash equivalents 1 1
Accounts receivable, net of reserves of $1,610 in 2025 and $1,610 in 2024 7,536 7,249
Unbilled revenues 3,744 3,604
Recoverable income taxes 1,053 587
Materials and supplies inventories, at cost 3,118 3,413
Prepaid expenses 2,207 1,597
Total current assets 17,659 16,451
OTHER LONG-TERM ASSETS:    
Prepaid pension cost 25,436 25,009
Note receivable 255 255
Deferred regulatory assets 57,442 54,061
Other assets 5,383 5,156
Total other long-term assets 88,516 84,481
Total Assets 667,064 633,473
COMMON STOCKHOLDERS' EQUITY:    
Common stock, no par value, authorized 46,500,000 shares, issued and outstanding 14,433,475 shares in 2025 and 14,386,282 shares in 2024 139,502 138,089
Retained earnings 98,519 93,103
Total common stockholders' equity 238,021 231,192
PREFERRED STOCK, authorized 500,000 shares, no shares issued 0 0
LONG-TERM DEBT 226,993 205,561
COMMITMENTS
CURRENT LIABILITIES:    
Current portion of long-term debt 330 0
Accounts payable 7,475 9,525
Dividends payable 2,911 2,892
Accrued compensation and benefits 1,909 1,806
Accrued interest 1,320 2,490
Deferred regulatory liabilities 840 864
Other accrued expenses 524 712
Total current liabilities 15,309 18,289
DEFERRED CREDITS:    
Customers' advances for construction 22,507 20,546
Deferred income taxes 65,927 61,157
Deferred employee benefits 3,545 3,526
Deferred regulatory liabilities 43,912 43,947
Other deferred credits 510 386
Total deferred credits 136,401 129,562
Contributions in aid of construction 50,340 48,869
Total Stockholders' Equity and Liabilities $ 667,064 $ 633,473