v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income $ 341,402 $ 335,606
Adjustments to reconcile net income to cash flows from operating activities    
Unrealized loss (gain) on derivative instruments 1,711 (20,838)
Gain on sale of assets 0 (55,547)
Depreciation and amortization 99,705 93,296
Allowance for equity used during construction (6,962) (3,790)
Allowance for doubtful accounts 2,187 2,894
Non cash lease expense 2,216 2,172
Deferred income taxes 64,942 42,849
Equivalent value of ITCs recognized on equipment financing (14,373) (12,315)
Manufactured gas plant remediation costs (1,880) (2,592)
Equity in earnings, net of distributions received from equity investees (1,607) 0
Cost of removal - asset retirement obligations (1,022) (863)
Contributions to postemployment benefit plans (595) (493)
Changes in:    
Components of working capital 24,151 4,601
Other noncurrent assets and liabilities 79,463 29,098
Cash flows from operating activities 589,338 414,078
Expenditures for:    
Cost of removal (16,482) (20,438)
Distribution from equity investees in excess of equity in earnings 0 318
Proceeds from sale of assets 0 134,036
Cash flows used in investing activities (375,676) (152,219)
CASH FLOWS USED IN FINANCING ACTIVITIES    
Proceeds from long-term debt 0 100,000
Payments of long-term debt (12,672) (113,016)
Payments of short-term debt, net (45,600) (129,350)
Proceeds from sale leaseback transactions - solar 49,264 25,725
Proceeds from sale leaseback transactions - natural gas meters 15,016 11,714
Payments of common stock dividends (95,575) (89,761)
Proceeds from waiver discount issuance of common stock 0 19,910
Proceeds from issuance of common stock - DRP 7,593 7,606
Tax withholding payments related to net settled stock compensation (6,895) (11,608)
Cash flows used in financing activities (88,869) (178,780)
Change in cash, cash equivalents and restricted cash 124,793 83,079
Cash, cash equivalents and restricted cash at beginning of period 1,649 1,612
Cash, cash equivalents and restricted cash at end of period 126,442 84,691
CHANGES IN COMPONENTS OF WORKING CAPITAL    
Receivables (237,587) (212,142)
Inventories 153,439 95,561
Recovery of natural gas costs 81,906 9,690
Natural gas purchases payable 13,214 52,144
Deferred revenue, current (1,467) 638
Accounts payable and other (5,490) (37,264)
Prepaid expenses (8,603) (6,719)
Prepaid and accrued taxes 60,288 92,155
Restricted broker margin accounts (17,715) 28,188
Customers' credit balances and deposits (8,353) (15,746)
Other current assets and liabilities (5,481) (1,904)
Total 24,151 4,601
Cash paid for:    
Interest (net of amounts capitalized) 72,983 64,947
Income taxes 14,029 6,721
Accrued capital expenditures 32,156 18,907
Utility plant    
Expenditures for:    
Payments to acquire PP&E (196,437) (183,099)
Solar equipment    
Expenditures for:    
Payments to acquire PP&E (131,379) (68,702)
Storage and Transportation and other    
Expenditures for:    
Payments to acquire PP&E $ (31,378) $ (14,334)