CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
ASSETS
Property, plant and equipment	$ 19,402,271	$ 17,258,547
Construction in progress	835,868	626,551
Total property, plant and equipment and construction in progress	20,238,139	17,885,098
Less accumulated depreciation and amortization	2,997,900	2,821,128
Net property, plant and equipment	17,240,239	15,063,970
Current assets
Cash and cash equivalents	51,554	116,723
Accounts receivable, less allowance for uncollectible accounts of $49,993 in 2022 and $64,471 in 2021	363,708	342,967
Gas stored underground	357,941	178,116
Other current assets (See Note 9)	2,274,490	2,200,909
Total current assets	3,047,693	2,838,715
Goodwill	731,257	731,257
Deferred charges and other assets (See Note 9)	1,173,800	974,720
Total assets	22,192,989	19,608,662
Shareholders’ equity
Common stock, no par value (stated at $0.005 per share); 200,000,000 shares authorized; issued and outstanding: 2022 — 140,896,598 shares; 2021 — 132,419,754 shares	704	662
Additional paid-in capital	5,838,118	5,023,751
Accumulated other comprehensive income	369,112	69,803
Retained earnings	3,211,157	2,812,673
Shareholders’ equity	9,419,091	7,906,889
Long-term debt	5,760,647	4,930,205
Total capitalization	15,179,738	12,837,094
Commitments and contingencies (See Note 13)
Current liabilities
Accounts payable and accrued liabilities	496,019	423,222
Other current liabilities	720,157	686,681
Short-term debt	184,967	0
Current maturities of long-term debt	2,201,457	2,400,452
Total current liabilities	3,602,600	3,510,355
Deferred income taxes	1,999,505	1,705,809
Regulatory excess deferred taxes (See Note 14)	385,213	549,227
Regulatory cost of removal obligation	487,631	468,688
Deferred credits and other liabilities	538,302	537,489
Total shareholders' equity and liabilities	$ 22,192,989	$ 19,608,662