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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 289,775 | $ 264,724 | $ 274,922
Adjustments to reconcile net income to cash flows from operating activities |  |  |
Unrealized loss (gain) on derivative instruments | 19,574 | (38,081) | (59,906)
Depreciation and amortization | 166,567 | 152,941 | 129,249
Amortization of acquired wholesale energy contracts | 125 | 2,271 | 2,561
Allowance for equity used during construction | (6,874) | (7,137) | (11,243)
Allowance for doubtful accounts | 1,229 | 1,570 | 2,401
Non-cash lease expense | 4,674 | 3,708 | 4,850
Deferred income taxes | 85,735 | 30,462 | 81,659
Equivalent value of ITCs recognized on equipment financing | (15,328) | (6,986) | (7,542)
Manufactured gas plant remediation costs | (23,451) | (9,571) | (17,538)
Cost of removal - asset retirement obligations | (1,727) | (1,526) | (1,289)
Contributions to postemployment benefit plans | (2,659) | (4,706) | (6,785)
Taxes related to stock-based compensation | (1,219) | (588) | (144)
Changes in: |  |  |
Components of working capital | (61,058) | 61,525 | (77,687)
Other noncurrent assets and liabilities | (27,956) | 30,387 | 9,972
Cash flows from operating activities | 427,407 | 478,993 | 323,480
Expenditures for: |  |  |
Cost of removal | (48,385) | (40,555) | (39,293)
Distribution from equity investees in excess of equity in earnings | 2,246 | 2,294 | 2,336
Investments in equity investees, net of return of capital | 0 | 0 | 5,479
Cash flows used in investing activities | (569,073) | (538,625) | (590,613)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Proceeds from long-term debt | 250,000 | 225,000 | 360,000
Payments of long-term debt | (125,066) | (71,934) | (68,343)
Proceeds from term loan | 0 | 0 | 150,000
Payments of term loan | 0 | (150,000) | 0
Proceeds from (payments of) short-term debt, net | 39,700 | (21,850) | (103,350)
Proceeds from sale leaseback transactions - solar | 64,694 | 167,790 | 24,071
Proceeds from sale leaseback transactions - natural gas meters | 8,814 | 8,441 | 17,300
Payments of common stock dividends | (165,063) | (150,973) | (127,704)
Proceeds from waiver discount issuance of common stock | 59,730 | 42,807 | 0
Proceeds from issuance of common stock - DRP | 14,676 | 14,993 | 14,745
Tax withholding payments related to net settled stock compensation | (5,724) | (4,577) | (4,177)
Cash flows from financing activities | 141,761 | 59,697 | 262,542
Change in cash, cash equivalents and restricted cash | 95 | 65 | (4,591)
Cash, cash equivalents and restricted cash at beginning of period | 1,517 | 1,452 | 6,043
Cash, cash equivalents and restricted cash at end of period | 1,612 | 1,517 | 1,452
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |  |
Receivables | (12,744) | 112,628 | (16,658)
Inventories | (11,086) | 67,445 | (80,801)
Recovery of natural gas costs | 734 | (14,427) | 1,037
Natural gas purchases payable | 6,238 | (183,772) | 66,352
Natural gas purchases payable - related parties | 16 | 8 | (10)
Deferred revenue | (39,832) | 934 | 33,802
Accounts payable and other | 15,640 | 7,537 | (34,259)
Prepaid expenses | (2,013) | (1,169) | (406)
Prepaid and accrued taxes | (23,517) | 16,415 | (1,516)
Restricted broker margin accounts | 19,535 | 46,364 | (51,165)
Customers’ credit balances and deposits | (6,315) | 11,664 | 660
Other current assets and liabilities | (7,714) | (2,102) | 5,277
Total | (61,058) | 61,525 | (77,687)
Cash paid for: |  |  |
Interest (net of amounts capitalized) | 120,239 | 108,194 | 84,375
Income taxes | 21,313 | 4,282 | 4,252
Accrued capital expenditures | 22,535 | 25,867 | 34,674
Utility plant |  |  |
Expenditures for: |  |  |
Payments to acquire PP&E | (372,019) | (350,304) | (259,081)
Solar equipment |  |  |
Expenditures for: |  |  |
Payments to acquire PP&E | (104,287) | (107,303) | (146,676)
Storage and transportation and other |  |  |
Expenditures for: |  |  |
Payments to acquire PP&E | $ (46,628) | $ (42,757) | $ (153,378)

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