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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 207,347 | $ 230,854
Adjustments to reconcile net income to cash flows from operating activities |  |
Unrealized (gain) on derivative instruments | (40,169) | (8,235)
Depreciation and amortization | 61,828 | 54,210
Amortization of acquired wholesale energy contracts | 1,464 | 3,401
Allowance for equity used during construction | (6,133) | (10,603)
Allowance for doubtful accounts | 1,139 | 10,607
Non cash lease expense | 2,559 | 1,957
Deferred income taxes | 16,912 | 20,909
Equivalent value of ITCs recognized on equipment financing | (727) | 0
Manufactured gas plant remediation costs | (14,677) | (6,284)
Equity in earnings, net of distributions received from equity investees | 968 | (3,543)
Cost of removal - asset retirement obligations | (565) | (512)
Contributions to postemployment benefit plans | (2,324) | (2,018)
Taxes related to stock-based compensation | (166) | (145)
Changes in: |  |
Components of working capital | 74,290 | 6,846
Other noncurrent assets | 4,870 | 18,854
Other noncurrent liabilities | 23,836 | 39,993
Cash flows from operating activities | 330,452 | 356,291
Expenditures for: |  |
Cost of removal | (17,030) | (23,989)
Distribution from equity investees in excess of equity in earnings | 478 | 871
Investments in equity investees, net of return of capital | 4,000 |
Investments in equity investees, net of return of capital |  | (482)
Cash flows used in investing activities | (296,832) | (245,498)
CASH FLOWS USED IN FINANCING ACTIVITIES |  |
Proceeds from long-term debt | 100,000 | 0
Payments of long-term debt | (10,032) | (11,001)
Proceeds from term loan | 150,000 | 0
Payments of short-term debt, net | (225,090) | (116,850)
Proceeds from sale leaseback transactions - solar | 3,300 | 12,124
Proceeds from sale leaseback transactions | 17,300 | 0
Payments of common stock dividends | (63,725) | (60,894)
Cash settlement of equity forward agreement | 0 | (388)
Proceeds from issuance of common stock - DRP | 7,521 | 7,540
Tax withholding payments related to net settled stock compensation | (3,737) | (1,772)
Cash flows used in financing activities | (24,463) | (171,241)
Change in cash, cash equivalents and restricted cash | 9,157 | (60,448)
Cash, cash equivalents and restricted cash at beginning of period | 6,043 | 119,423
Cash, cash equivalents and restricted cash at end of period | 15,200 | 58,975
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |
Receivables | (107,479) | (136,295)
Inventories | 125,012 | 94,233
Recovery of natural gas costs | 8,465 | (20,279)
Natural gas purchases payable | (25,964) | 33,191
Natural gas purchases payable - related parties | (6) | 62
Deferred revenue | 52,368 | (970)
Accounts payable and other | (88,866) | (18,651)
Prepaid expenses | (5,548) | (8,170)
Prepaid and accrued taxes | 75,921 | 59,614
Restricted broker margin accounts | 53,708 | 7,644
Customers' credit balances and deposits | (12,302) | (5,171)
Other current assets | (1,019) | 1,638
Total | 74,290 | 6,846
Cash paid for: |  |
Interest (net of amounts capitalized) | 42,754 | 40,465
Income taxes | 1,263 | 3,733
Accrued capital expenditures | 53,245 | 22,840
Utility plant |  |
Expenditures for: |  |
Payments to acquire PP&E | (108,434) | (152,496)
Solar equipment |  |
Expenditures for: |  |
Payments to acquire PP&E | (66,556) | (40,884)
Storage and Transportation and other |  |
Expenditures for: |  |
Payments to acquire PP&E | $ (109,290) | $ (28,518)

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