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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
CASH FLOWS (USED IN) FROM OPERATING ACTIVITIES |  |
Net income | $ 111,312 | $ 81,045
Adjustments to reconcile net income to cash flows from operating activities |  |
Unrealized (gain) on derivative instruments | (82,191) | (37,491)
Depreciation and amortization | 30,393 | 27,362
Amortization of acquired wholesale energy contracts | 589 | 716
Allowance for equity used during construction | (2,494) | (4,931)
Allowance for doubtful accounts | 550 | 3,970
Non cash lease expense | 889 | 1,324
Deferred income taxes | 14,855 | 17,667
Equivalent value of ITCs recognized on equipment financing | (727) | 0
Manufactured gas plant remediation costs | (12,368) | (1,274)
Equity in earnings, net of distributions received from equity investees and impairments | 481 | (1,189)
Cost of removal - asset retirement obligations | (282) | (256)
Contributions to postemployment benefit plans | (1,942) | (1,670)
Taxes related to stock-based compensation | (166) | 76
Changes in: |  |
Components of working capital | (153,195) | (74,434)
Other noncurrent assets | (1,529) | 11,806
Other noncurrent liabilities | 58,418 | 9,002
Cash flows (used in) from operating activities | (37,407) | 31,723
Expenditures for: |  |
Cost of removal | (9,114) | (14,765)
Distribution from equity investees in excess of equity in earnings | 244 | 1,413
Investments in equity investees | 0 | (286)
Cash flows (used in) investing activities | (164,054) | (108,753)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES |  |
Proceeds from long-term debt | 100,000 | 0
Payments of long-term debt | (1,810) | (5,203)
Proceeds from short-term debt, net | 110,650 | 9,000
Proceeds from sale leaseback transaction - solar | 3,300 | 12,124
Proceeds from sale leaseback transaction | 17,300 | 0
Payments of common stock dividends | (31,841) | (31,902)
Proceeds from issuance of common stock - DRP | 3,805 | 3,911
Tax withholding payments related to net settled stock compensation | (3,433) | (5,534)
Cash flows from (used in) financing activities | 197,971 | (17,604)
Change in cash, cash equivalents and restricted cash | (3,490) | (94,634)
Cash, cash equivalents and restricted cash at beginning of period | 6,043 | 119,423
Cash, cash equivalents and restricted cash at end of period | 2,553 | 24,789
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |
Receivables | (117,010) | (108,143)
Inventories | (48,866) | 5,792
Recovery of natural gas costs | (4,505) | (10,542)
Natural gas purchases payable | (18,752) | 24,146
Natural gas purchases payable - related parties | (10) | 74
Deferred revenue | 51,107 | (819)
Accounts payable and other | (44,374) | (38,413)
Prepaid expenses | (6,951) | (5,045)
Prepaid and accrued taxes | 31,205 | 10,568
Restricted broker margin accounts | (459) | 38,986
Customers' credit balances and deposits | 6,080 | 7,014
Other current assets | (660) | 1,948
Total | (153,195) | (74,434)
Cash paid (received) for: |  |
Interest (net of amounts capitalized) | 13,935 | 11,298
Income taxes | (229) | 230
Accrued capital expenditures | 57,129 | 4,205
Utility plant |  |
Expenditures for: |  |
Payments to acquire PP&E | (64,350) | (64,481)
Solar equipment |  |
Expenditures for: |  |
Payments to acquire PP&E | (25,380) | (22,335)
Storage and Transportation and other |  |
Expenditures for: |  |
Payments to acquire PP&E | $ (65,454) | $ (8,299)

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