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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash Flows From Operating Activities: |  |  |
Net Income | $ 94,347 | $ 86,425 | $ 84,342
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 39,974 | 37,204 | 35,713
Provision for doubtful accounts | 1,119 | 1,433 | 608
Deferred income taxes and investment tax credits | 3,561 | 2,243 | 6,623
Stock-based compensation expense | 2,566 | 2,463 | 2,517
(Gain) loss on sale of assets | (465) | 31 | (253)
Gain on investments held in a trust | (4,287) | (3,024) | (3,580)
Other - net | 84 | (908) | 526
Changes in assets and liabilities: |  |  |
Accounts receivable - customers | (4,688) | (13,272) | 1,882
Unbilled revenue- receivable | 1,037 | 6,678 | 5,515
Other accounts receivable | (1,422) | (1,204) | 214
Receivable from the U.S. government | 4,713 | 3,889 | (1,144)
Materials and supplies | (3,544) | (2,190) | (654)
Prepayments and other assets | 1,323 | 1,686 | 3,978
Contract Assets | 235 | (588) | 3,979
Regulatory Assets / Liabilities | (5,842) | 10,150 | (11,597)
Accounts payable | (2,881) | 5,348 | (249)
Income taxes receivable / payable | (2,254) | 12,270 | (3,786)
Contract liabilities | (1,543) | (9,367) | 3,637
Accrued pension and other post-retirement benefits | 3,051 | 1,444 | 1,994
Other liabilities | 2,000 | 2,593 | (4,659)
Cash Flows From Operating Activities | 115,584 | 122,170 | 116,864
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (144,515) | (130,423) | (151,940)
Proceeds from sale of assets | 565 | 88 | 169
Other investments | 1,142 | 1,275 | 1,424
Net Cash Provided by (Used in) Investing Activities | (145,092) | (131,610) | (153,195)
Cash Flows From Financing Activities: |  |  |
Proceeds from stock option exercises | 0 | 30 | 519
Proceeds from Advances for Construction | 12,432 | 9,338 | 10,171
Refunds on advances for construction | (4,666) | (3,729) | (5,005)
Retirement or repayments of long-term debt | (28,356) | (336) | (40,325)
Increase (Decrease) in Notes Payable, Current | 71,300 | (70,800) | 109,500
Proceeds from issuance of long-term debt, net of issuance costs | 0 | 159,413 | 0
Dividends paid | (51,689) | (47,206) | (42,702)
Other | (1,287) | (1,867) | (1,634)
Net Cash Provided by (Used in) Financing Activities | (2,266) | 44,843 | 30,524
Net change in cash and cash equivalents | (31,774) | 35,403 | (5,807)
Cash and cash equivalents, beginning of the year | 36,737 | 1,334 | 7,141
Cash and cash equivalents, end of year | 4,963 | 36,737 | 1,334
GSWC |  |  |
Cash Flows From Operating Activities: |  |  |
Net Income | 69,215 | 64,971 | 66,663
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 33,643 | 32,477 | 32,757
Provision for doubtful accounts | 1,018 | 1,018 | 606
Deferred income taxes and investment tax credits | 2,308 | 1,181 | 5,081
Stock-based compensation expense | 2,313 | 2,349 | 2,253
(Gain) loss on sale of assets | (409) | 0 | (88)
Gain on investments held in a trust | (4,287) | (3,024) | (3,580)
Other - net | 200 | (576) | 58
Changes in assets and liabilities: |  |  |
Accounts receivable - customers | (4,287) | (12,126) | 1,882
Unbilled revenue- receivable | 1,195 | 1,693 | 744
Other accounts receivable | 592 | (1,364) | 311
Materials and supplies | (1,725) | (2,166) | (123)
Prepayments and other assets | 1,860 | 1,124 | 4,230
Regulatory Assets / Liabilities | (2,854) | 13,278 | (11,597)
Accounts payable | (10) | 1,810 | 1,558
Inter-company receivable / payable | 1,479 | (1,911) | 1,056
Income taxes receivable / payable | (1,640) | 12,339 | (2,110)
Accrued pension and other post-retirement benefits | 2,908 | 1,390 | 1,994
Other liabilities | 1,165 | 1,260 | (3,579)
Cash Flows From Operating Activities | 100,294 | 110,337 | 96,628
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (123,526) | (116,409) | (142,852)
Note receivable from AWR parent | (26,000) | (6,000) | 0
Receipt of payment of note receivable from AWR parent | 26,000 | 6,000 | 0
Proceeds from sale of assets | 409 | 0 | 88
Other investments | 1,142 | 1,275 | 1,424
Net Cash Provided by (Used in) Investing Activities | (124,259) | (117,684) | (144,188)
Cash Flows From Financing Activities: |  |  |
Proceeds from issuance of Common Shares to Parent | 0 | 60,000 | 0
Proceeds from Advances for Construction | 12,397 | 9,338 | 10,171
Refunds on advances for construction | (4,666) | (3,729) | (5,005)
Retirement or repayments of long-term debt | (28,356) | (336) | (40,325)
Proceeds from issuance of long-term debt, net of issuance costs | 0 | 159,413 | 0
Net change in inter-company borrowings | (49,000) | 158,000 | (100,500)
Dividends paid | (38,300) | (22,500) | (20,200)
Other | (1,163) | (1,662) | (1,367)
Net Cash Provided by (Used in) Financing Activities | (11,088) | 42,524 | 43,774
Net change in cash and cash equivalents | (35,053) | 35,177 | (3,786)
Cash and cash equivalents, beginning of the year | 35,578 | 401 | 4,187
Cash and cash equivalents, end of year | $ 525 | $ 35,578 | $ 401

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