CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
ASSETS
Property, plant and equipment	$ 15,044,831	$ 14,180,593
Less accumulated depreciation and amortization	2,496,591	2,392,924
Net property, plant and equipment	12,548,240	11,787,669
Current assets
Cash and cash equivalents	320,099	24,550
Accounts receivable, net	377,817	230,571
Gas stored underground	68,061	130,138
Other current assets	63,584	72,772
Total current assets	829,561	458,031
Goodwill	730,706	730,706
Deferred charges and other assets	607,891	391,213
Total assets	14,716,398	13,367,619
Shareholders’ equity
Common stock, no par value (stated at $0.005 per share); 200,000,000 shares authorized; issued and outstanding: March 31, 2020 — 122,308,725 shares; September 30, 2019 — 119,338,925 shares	612	597
Additional paid-in capital	3,986,187	3,712,194
Accumulated other comprehensive loss	(112,641)	(114,583)
Retained earnings	2,430,257	2,152,015
Shareholders’ equity	6,304,415	5,750,223
Long-term debt	4,328,866	3,529,452
Total capitalization	10,633,281	9,279,675
Current liabilities
Accounts payable and accrued liabilities	190,088	265,024
Other current liabilities	543,248	479,501
Short-term debt	199,923	464,915
Current maturities of long-term debt	131	0
Total current liabilities	933,390	1,209,440
Deferred income taxes	1,421,779	1,300,015
Regulatory excess deferred taxes	694,433	705,101
Regulatory cost of removal obligation	448,681	473,172
Deferred credits and other liabilities	584,834	400,216
Total shareholders' equity and liabilities	$ 14,716,398	$ 13,367,619