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Consolidated Statement of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating activities: |  |  |
Net income | $ 84,987,000 | $ 73,828,000 | $ 60,478,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 108,138,000 | 106,439,000 | 96,474,000
Deferred income taxes | (8,510,000) | (3,244,000) | (2,851,000)
Stock-based compensation | 4,647,000 | 4,791,000 | 4,246,000
Allowance for equity funds used during construction | (2,114,000) | (1,551,000) | (1,926,000)
Impairment of long-lived asset | 0 | 0 | 2,211,000
Gain on sale of nonutility properties and other assets | 0 | (6,197,000) | (11,421,000)
Changes in operating assets and liabilities, net of acquired assets and liabilities: |  |  |
Accounts receivable and accrued unbilled revenue | (10,869,000) | (8,222,000) | (5,931,000)
Accounts payable and other current liabilities | 492,000 | (1,388,000) | 4,843,000
Accrued groundwater extraction charges, purchased water and power | 4,772,000 | 2,507,000 | (1,984,000)
Tax receivable and payable, and other accrued taxes | (22,415,000) | (11,954,000) | (6,416,000)
Postretirement benefits | (1,549,000) | (7,108,000) | (4,312,000)
Regulatory assets and liabilities excluding income tax temporary differences and postretirement benefits | 12,278,000 | 1,714,000 | (14,629,000)
Other noncurrent assets and liabilities | 20,756,000 | 17,923,000 | 13,381,000
Other changes, net | 218,000 | (1,339,000) | (2,123,000)
Net cash provided by operating activities | 190,831,000 | 166,199,000 | 130,040,000
Investing activities: |  |  |
Company-funded | (271,772,000) | (218,784,000) | (233,933,000)
Contributions in aid of construction | (16,855,000) | (22,935,000) | (17,096,000)
Additions to nonutility assets and real estate investments | (24,244,000) | (631,000) | (826,000)
Payments for business acquisitions | (7,537,000) | (433,000) | (23,587,000)
Cost to retire utility plant, net of salvage | (2,097,000) | (2,520,000) | (2,781,000)
Proceeds from sale of assets | 0 | 975,000 | 18,228,000
Other changes, net | 233,000 | 0 | 0
Net cash used in investing activities | (322,272,000) | (244,328,000) | (259,995,000)
Financing activities: |  |  |
Borrowings from lines of credit | 146,415,000 | 158,779,000 | 96,625,000
Repayments of lines of credit | (134,493,000) | (62,197,000) | (208,722,000)
Long-term borrowings | 70,000,000 | 55,000,000 | 247,000,000
Repayments of long-term borrowings | (4,347,000) | (89,177,000) | (76,113,000)
Dividends paid | (47,905,000) | (43,582,000) | (40,137,000)
Receipts of advances and contributions in aid of construction | 22,425,000 | 23,820,000 | 26,438,000
Refunds of advances for construction | (2,763,000) | (2,859,000) | (2,852,000)
Issuance of common stock, net of issuance costs | 80,659,000 | 39,085,000 | 91,028,000
Other changes, net | (1,171,000) | (515,000) | (462,000)
Net cash provided by financing activities | 128,820,000 | 78,354,000 | 132,805,000
Net change in cash, cash equivalents and restricted cash | (2,621,000) | 225,000 | 2,850,000
Cash, cash equivalents and restricted cash, beginning of year | 12,344,000 | 12,119,000 | 9,269,000
Cash, cash equivalents and restricted cash, end of year | 9,723,000 | 12,344,000 | 12,119,000
Less restricted cash, end of year | 0 | 0 | 1,211,000
Cash and cash equivalents, end of year | 9,723,000 | 12,344,000 | 10,908,000
Cash paid during the year for: |  |  |
Interest | 67,508,000 | 63,677,000 | 58,175,000
Income taxes | 23,020,000 | 6,853,000 | 8,466,000
Supplemental disclosure of non-cash activities: |  |  |
Accrued payables for additions to utility plant | 35,904,000 | 22,561,000 | 20,579,000
Utility property installed by developers | 3,341,000 | 2,433,000 | 2,659,000
Seller financing in asset acquisition, net of discount | $ 15,400,000 | $ 0 | $ 0

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