Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2025	Sep. 30, 2025
ASSETS
Property, Plant and Equipment	$ 15,616,382	$ 15,406,329
Less - Accumulated Depreciation, Depletion and Amortization	7,800,307	7,693,687
Property, Plant and Equipment, Net, Total	7,816,075	7,712,642
Current Assets
Cash and Temporary Cash Investments	271,398	43,166
Receivables – Net of Allowance for Uncollectible Accounts of $17,504 and $17,099, Respectively	265,897	180,801
Unbilled Revenue	69,645	16,219
Gas Stored Underground	18,978	33,468
Materials and Supplies - at average cost	49,862	50,545
Unrecovered Purchased Gas Costs	20,723	5,769
Other Current Assets	62,097	80,759
Total Current Assets	758,600	410,727
Other Assets
Recoverable Future Taxes	92,405	89,247
Unamortized Debt Expense	5,772	6,236
Other Regulatory Assets	133,604	135,486
Deferred Charges	75,570	73,941
Other Investments	68,962	68,346
Goodwill	5,476	5,476
Prepaid Pension and Post-Retirement Benefit Costs	171,569	169,228
Fair Value of Derivative Financial Instruments	69,364	39,388
Other	8,475	8,387
Total Other Assets	631,197	595,735
Total Assets	9,205,872	8,719,104
Capitalization:
Common Stock, $1 Par Value; Authorized - 200,000,000 Shares; Issued and Outstanding - 95,017,438 Shares and 90,379,095 Shares, Respectively	95,017	90,379
Paid in Capital	1,382,593	1,050,918
Earnings Reinvested in the Business	2,143,340	2,012,529
Accumulated Other Comprehensive Loss	(32,990)	(59,222)
Total Comprehensive Shareholders’ Equity	3,587,960	3,094,604
Long-Term Debt, Net of Current Portion and Unamortized Discount and Debt Issuance Costs	2,083,892	2,382,861
Total Capitalization	5,671,852	5,477,465
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper	90,000	150,200
Current Portion of Long-Term Debt	600,000	300,000
Accounts Payable	141,674	184,046
Amounts Payable to Customers	476	968
Dividends Payable	50,834	48,353
Interest Payable on Long-Term Debt	34,644	14,393
Customer Advances	17,108	17,188
Customer Security Deposits	29,875	29,853
Other Accruals and Current Liabilities	209,202	174,689
Fair Value of Derivative Financial Instruments	155	6,074
Total Current and Accrued Liabilities	1,173,968	925,764
Other Liabilities
Deferred Income Taxes	1,274,254	1,225,262
Taxes Refundable to Customers	304,370	306,335
Cost of Removal Regulatory Liability	311,971	307,659
Other Regulatory Liabilities	120,230	121,944
Other Post-Retirement Liabilities	3,731	5,252
Asset Retirement Obligations	234,405	236,787
Other Liabilities	111,091	112,636
Total Other Liabilities	2,360,052	2,315,875
Commitments and Contingencies (Note 8)	0	0
Total Capitalization and Liabilities	$ 9,205,872	$ 8,719,104