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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 227,700 | $ 220,400
Adjustments to reconcile net income to cash flows from operating activities |  |
Unrealized (gain) on derivative instruments | (30,502) | (58,060)
Depreciation and amortization | 113,650 | 94,700
Amortization of acquired wholesale energy contracts | 1,781 | 2,016
Allowance for equity used during construction | (5,054) | (9,197)
Allowance for doubtful accounts | 1,397 | 1,768
Non cash lease expense | 2,607 | 3,720
Deferred income taxes | 11,026 | 37,547
Equivalent value of ITCs recognized on equipment financing | (1,232) | (1,060)
Manufactured gas plant remediation costs | (6,284) | (16,341)
Cost of removal - asset retirement obligations | (967) | (847)
Contributions to postemployment benefit plans | (1,133) | (2,702)
Taxes related to stock-based compensation | 554 | (164)
Changes in: |  |
Components of working capital | 22,229 | (97,572)
Other noncurrent assets | (16,207) | (7,639)
Other noncurrent liabilities | 68,333 | 69,308
Cash flows from operating activities | 387,898 | 235,877
Expenditures for: |  |
Cost of removal | (28,719) | (27,881)
Distribution from equity investees in excess of equity in earnings | 2,036 | 690
Investments in equity investees, net of return of capital | 0 | 5,479
Cash flows used in investing activities | (378,178) | (434,945)
CASH FLOWS (USED IN) FROM FINANCING ACTIVITIES |  |
Proceeds from long-term debt | 175,000 | 310,000
Payments of long-term debt | (15,698) | (14,223)
Proceeds from term loan | 0 | 150,000
Payments of term loan | (150,000) | 0
Payments of short-term debt, net | (128,725) | (156,950)
Proceeds from sale leaseback transactions - solar | 163,619 | 3,300
Proceeds from sale leaseback transactions - natural gas meters | 8,441 | 17,300
Payments of common stock dividends | (112,991) | (95,691)
Proceeds from waiver discount issuance of common stock | 42,807 | 0
Proceeds from issuance of common stock - DRP | 11,419 | 11,076
Tax withholding payments related to net settled stock compensation | (4,024) | (3,794)
Cash flows (used in) from financing activities | (10,152) | 221,018
Change in cash, cash equivalents and restricted cash | (432) | 21,950
Cash, cash equivalents and restricted cash at beginning of period | 1,452 | 6,043
Cash, cash equivalents and restricted cash at end of period | 1,020 | 27,993
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |
Receivables | 103,954 | (61,836)
Inventories | 108,107 | (12,672)
Recovery of natural gas costs | (20,106) | 3,772
Natural gas purchases payable | (188,617) | 33,362
Natural gas purchases payable - related parties | 5 | (6)
Deferred revenue, current | 2,687 | 44,304
Accounts payable and other | (20,153) | (70,194)
Prepaid expenses | (2,454) | (1,219)
Prepaid and accrued taxes | 24,684 | 18,770
Restricted broker margin accounts | 22,868 | (47,643)
Customers' credit balances and deposits | (2,979) | (10,370)
Other current assets (liabilities) | (5,767) | 6,160
Total | 22,229 | (97,572)
Cash paid for: |  |
Interest (net of amounts capitalized) | 80,550 | 65,385
Income taxes | 2,858 | 3,763
Accrued capital expenditures | 21,008 | 40,833
Utility plant |  |
Expenditures for: |  |
Payments to acquire PP&E | (248,507) | (177,559)
Solar equipment |  |
Expenditures for: |  |
Payments to acquire PP&E | (68,604) | (105,504)
Storage and Transportation and other |  |
Expenditures for: |  |
Payments to acquire PP&E | $ (34,384) | $ (130,170)

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