v3.26.1
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Property, Plant and Equipment    
Regulated utility plant, at cost $ 2,941,280 $ 2,899,564
Non-utility property, at cost 51,678 50,422
Total 2,992,958 2,949,986
Less - accumulated depreciation (663,265) (653,667)
Net property, plant and equipment 2,329,693 2,296,319
Property, Plant and Equipment, Other, Net [Abstract]    
Other property and investments 57,257 58,664
Current Assets    
Cash and cash equivalents 22,155 18,824
Accounts receivable - customers, less allowance for doubtful accounts 39,741 38,321
Unbilled receivable 32,161 26,621
Receivable from the U.S. government (Note 2) 31,890 46,400
Other accounts receivable, less allowance for doubtful accounts 4,246 6,127
Materials and supplies 16,647 16,406
Regulatory assets — current 27,597 39,396
Prepayments and other current assets 14,252 7,551
Contract assets (Note 2) 32,667 31,428
Total current assets 221,356 231,074
Other Assets    
Unbilled revenue — receivable from the U.S. government (Note 2) 961 1,258
Receivable from the U.S. government (Note 2) 25,538 27,660
Contract assets (Note 2) 248 79
Operating lease right-of-use assets 7,244 6,093
Regulatory assets 28,037 30,073
Other 63,806 63,872
Total other assets 125,834 129,035
Total Assets 2,734,140 2,715,092
Capitalization    
Common shares, no par value 433,238 425,153
Retained earnings 630,607 620,428
Total common shareholders’ equity 1,063,845 1,045,581
Long-term debt 782,739 782,700
Total capitalization 1,846,584 1,828,281
Current Liabilities    
Long-term debt — current 8,214 8,209
Accounts payable 79,406 86,021
Income taxes payable 11,718 1,169
Accrued other taxes 9,745 12,871
Accrued employee expenses 19,874 16,193
Accrued interest 11,499 9,545
Contract liabilities (Note 2) 11,618 11,735
Operating lease liabilities 2,260 2,062
Purchase power contract derivative at fair value (Note 5) 15,708 15,503
Other 11,555 11,304
Total current liabilities 181,597 174,612
Other Credits    
Notes payable to banks 132,000 141,000
Advances for construction 81,656 77,976
Contributions in aid of construction – net 180,615 179,277
Deferred income taxes 195,288 194,121
Regulatory liabilities 55,542 60,205
Unamortized investment tax credits 856 873
Accrued pension and other postretirement benefits 36,807 36,557
Operating lease liabilities 5,342 4,406
Other 17,853 17,784
Total other credits 705,959 712,199
Commitments and Contingencies (Note 9)
Total Capitalization and Liabilities 2,734,140 2,715,092
GSWC    
Property, Plant and Equipment    
Total 2,687,052 2,648,213
Less - accumulated depreciation (572,750) (564,529)
Net property, plant and equipment 2,114,302 2,083,684
Property, Plant and Equipment, Other, Net [Abstract]    
Other property and investments 54,425 55,829
Current Assets    
Cash and cash equivalents 5,562 9,964
Accounts receivable - customers, less allowance for doubtful accounts 33,715 33,212
Unbilled receivable 22,073 20,607
Other accounts receivable, less allowance for doubtful accounts 1,737 2,767
Income taxes receivable from Parent 0 2,555
Materials and supplies 9,213 9,127
Regulatory assets — current 13,754 23,211
Prepayments and other current assets 9,882 6,365
Total current assets 97,318 109,251
Other Assets    
Operating lease right-of-use assets 7,031 5,856
Other 61,234 61,242
Total other assets 68,265 67,098
Total Assets 2,334,310 2,315,862
Capitalization    
Common shares, no par value 480,430 478,494
Retained earnings 457,163 455,243
Total common shareholders’ equity 937,593 933,737
Long-term debt 698,082 698,060
Total capitalization 1,635,675 1,631,797
Current Liabilities    
Long-term debt — current 8,214 8,209
Accounts payable 63,166 67,426
Income taxes payable 5,425 0
Accrued other taxes 6,932 10,322
Accrued employee expenses 15,412 12,847
Accrued interest 10,109 7,738
Operating lease liabilities 2,163 1,967
Other 10,824 10,762
Total current liabilities 122,245 119,271
Other Credits    
Notes payable to banks 22,000 13,000
Advances for construction 81,636 77,956
Contributions in aid of construction – net 180,615 179,277
Deferred income taxes 178,317 177,291
Regulatory liabilities 55,542 60,205
Unamortized investment tax credits 856 873
Accrued pension and other postretirement benefits 36,161 35,948
Operating lease liabilities 5,230 4,268
Other 16,033 15,976
Total other credits 576,390 564,794
Commitments and Contingencies (Note 9)
Total Capitalization and Liabilities 2,334,310 2,315,862
GSWC | Related Party    
Current Assets    
Receivable from affiliate $ 1,382 $ 1,443