CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Sep. 30, 2023
ASSETS
Property, plant and equipment	$ 24,979,631	$ 22,898,374
Less accumulated depreciation and amortization	3,557,513	3,291,791
Net property, plant and equipment	21,422,118	19,606,583
Current assets
Cash and cash equivalents	674,620	15,404
Restricted cash and cash equivalents	4,642	3,844
Cash and cash equivalents and restricted cash and cash equivalents	679,262	19,248
Accounts receivable, net	391,551	328,654
Gas stored underground	157,912	245,830
Other current assets	479,840	292,036
Total current assets	1,708,565	885,768
Securitized intangible asset, net (See Note 9)	84,998	92,202
Goodwill	731,257	731,257
Deferred charges and other assets	944,313	1,201,158
Total assets	24,891,251	22,516,968
Shareholders’ equity
Common stock, no par value (stated at $0.005 per share); 200,000,000 shares authorized; issued and outstanding: June 30, 2024 — 155,229,024 shares; September 30, 2023 — 148,492,783 shares	776	742
Additional paid-in capital	7,463,334	6,684,120
Accumulated other comprehensive income	510,132	518,528
Retained earnings	4,208,834	3,666,674
Shareholders’ equity	12,183,076	10,870,064
Long-term debt, net	7,785,196	6,554,133
Securitized long-term debt (See Note 9)	81,261	85,078
Total capitalization	20,049,533	17,509,275
Current liabilities
Accounts payable and accrued liabilities	319,361	336,083
Other current liabilities	655,944	763,086
Short-term debt	0	241,933
Current maturities of long-term debt	1,620	1,568
Current maturities of securitized long-term debt (See Note 9)	8,001	9,922
Total current liabilities	984,926	1,352,592
Deferred income taxes	2,549,829	2,304,974
Regulatory excess deferred taxes	195,505	253,212
Regulatory cost of removal obligation	515,629	497,017
Deferred credits and other liabilities	595,829	599,898
Total capitalization and liabilities	$ 24,891,251	$ 22,516,968