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CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Regulated utility plant, at cost |  |
Water | $ 1,307,509 | $ 1,227,713
Electric | 79,360 | 77,653
Total | 1,386,869 | 1,305,366
Non-regulated utility property, at cost | 9,090 | 8,917
Total utility plant, at cost | 1,395,959 | 1,314,283
Less — accumulated depreciation | (471,665) | (442,316)
Utility plant before construction work in progress | 924,294 | 871,967
Construction work in progress | 57,183 | 45,824
Net utility plant | 981,477 | 917,791
Other Property and Investments |  |
Goodwill | 1,116 | 1,116
Other property and investments | 15,806 | 13,755
Total other property and investments | 16,922 | 14,871
Current Assets |  |
Cash and cash equivalents | 38,226 | 23,486
Accounts receivable-customers, less allowance for doubtful accounts | 23,829 | 19,491
Unbilled revenue | 18,552 | 16,147
Receivable from U.S. government, less allowance for doubtful accounts | 7,106 | 12,905
Other accounts receivable, less allowance for doubtful accounts | 4,914 | 7,062
Income taxes receivable | 9,214 | 16,547
Materials and supplies | 4,558 | 5,348
Regulatory assets — current | 27,676 | 32,336
Prepayments and other current assets | 2,481 | 4,391
Costs and estimated earnings in excess of billings on uncompleted contracts | 45,508 | 37,703
Deferred income taxes — current | 9,553 | 8,617
Total current assets | 191,617 | 184,033
Regulatory and Other Assets |  |
Regulatory assets | 95,005 | 143,679
Costs and estimated earnings in excess of billings on uncompleted contracts | 7,823 | 436
Receivable from U.S. government, less allowance for doubtful accounts | 3,104 | 4,535
Deferred income taxes | 8 | 11
Other | 14,227 | 15,587
Total regulatory and other assets | 120,167 | 164,248
Total Assets | 1,310,183 | 1,280,943
Capitalization |  |
Common shareholder’s equity | 492,404 | 454,579
Long-term debt | 326,079 | 332,463
Total capitalization | 818,483 | 787,042
Current Liabilities |  |
Long-term debt — current | 6,298 | 3,328
Accounts payable | 49,787 | 40,569
Income taxes payable | 507 | 511
Accrued other taxes | 9,802 | 8,167
Accrued employee expenses | 10,801 | 9,919
Accrued interest | 3,897 | 3,909
Unrealized loss on purchased power contracts | 0 | 3,060
Billings in excess of costs and estimated earnings on uncompleted contracts | 6,852 | 12,572
Other | 12,962 | 11,662
Total current liabilities | 100,906 | 93,697
Other Credits |  |
Advances for construction | 69,332 | 70,781
Contributions in aid of construction — net | 114,916 | 106,450
Deferred income taxes | 159,506 | 142,597
Unamortized investment tax credits | 1,790 | 1,881
Accrued pension and other post-retirement benefits | 38,726 | 71,618
Other | 6,524 | 6,877
Total other credits | 390,794 | 400,204
Commitments and Contingencies (Notes 13 and 14) | 0 | 0
Total Capitalization and Liabilities | 1,310,183 | 1,280,943
GSWC |  |
Regulated utility plant, at cost |  |
Water | 1,307,509 | 1,227,713
Electric | 79,360 | 77,653
Total utility plant, at cost | 1,386,869 | 1,305,366
Less — accumulated depreciation | (466,329) | (437,949)
Utility plant before construction work in progress | 920,540 | 867,417
Construction work in progress | 56,754 | 45,720
Net utility plant | 977,294 | 913,137
Other Property and Investments |  |
Other property and investments | 13,653 | 11,590
Total other property and investments | 13,653 | 11,590
Current Assets |  |
Cash and cash equivalents | 37,875 | 22,578
Accounts receivable-customers, less allowance for doubtful accounts | 23,829 | 19,491
Unbilled revenue | 18,552 | 16,147
Inter-company receivable | 718 | 2,508
Other accounts receivable, less allowance for doubtful accounts | 3,570 | 6,377
Income taxes receivable from Parent | 9,704 | 16,442
Note receivable from Parent | 500 | 0
Materials and supplies | 1,859 | 2,244
Regulatory assets — current | 27,676 | 32,336
Prepayments and other current assets | 2,218 | 4,162
Deferred income taxes — current | 8,573 | 7,577
Total current assets | 135,074 | 129,862
Regulatory and Other Assets |  |
Regulatory assets | 95,005 | 143,679
Other accounts receivable | 913 | 1,445
Other | 11,442 | 14,339
Total regulatory and other assets | 107,360 | 159,463
Total Assets | 1,233,381 | 1,214,052
Capitalization |  |
Common shareholder’s equity | 437,613 | 416,257
Long-term debt | 326,079 | 332,463
Total capitalization | 763,692 | 748,720
Current Liabilities |  |
Long-term debt — current | 6,298 | 3,328
Accounts payable | 37,611 | 27,292
Accrued other taxes | 9,299 | 7,720
Accrued employee expenses | 9,536 | 8,786
Accrued interest | 3,897 | 3,909
Unrealized loss on purchased power contracts | 0 | 3,060
Other | 12,880 | 11,606
Total current liabilities | 79,521 | 65,701
Other Credits |  |
Advances for construction | 69,332 | 70,781
Contributions in aid of construction — net | 114,916 | 106,450
Deferred income taxes | 158,994 | 142,082
Unamortized investment tax credits | 1,790 | 1,881
Accrued pension and other post-retirement benefits | 38,726 | 71,618
Other | 6,410 | 6,819
Total other credits | 390,168 | 399,631
Commitments and Contingencies (Notes 13 and 14) | 0 | 0
Total Capitalization and Liabilities | $ 1,233,381 | $ 1,214,052

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