STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating activities
Net income	$ 154,710	$ 145,922
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	167,414	154,288
Deferred income taxes	(21,498)	29,224
Share-based compensation expense	8,286	8,076
Provision for doubtful accounts	3,885	8,128
Proceeds from Securitization Bonds	1,330,582	0
Changes in assets and liabilities:
Accounts receivable	149,533	166,474
Materials and supplies	(12,074)	128
Natural gas in storage	(163,731)	(72,832)
Asset Removal Costs	34,386	35,195
Accounts payable	(84,404)	(17,244)
Accrued taxes other than income	6,352	5,574
Customer deposits	(449)	(8,595)
Increase (Decrease) In Regulatory Assets And Liabilities Current, net	16,324	(273,659)
Increase (Decrease) In Regulatory Assets And Liabilities Noncurrent, net	60,650	(1,651,445)
Increase (Decrease) in Other Current Assets and Liabilities, Net	(23,051)	(10,537)
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net	(2,317)	(8,884)
Cash provided by operating activities	1,555,826	(1,560,577)
Investing activities
Capital expenditures	(412,519)	(347,701)
Payments for Other Investing Activities	(2,419)	(3,374)
Proceeds from Sale of Other Assets, Investing Activities	2,695	1,676
Cash used in investing activities	(412,243)	(349,399)
Financing activities
Borrowings (repayments) of short-term debt, net	(70,600)	(82,225)
Proceeds from Issuance of Senior Long-term Debt	297,591	2,498,895
Payments of Debt Issuance Costs	(2,695)	(35,110)
Proceeds from Issuance of Common Stock	37,104	24,104
Repayments of Other Long-term Debt	(1,300,000)	(400,000)
Dividends paid	(100,386)	(92,832)
Payment, Tax Withholding, Share-based Payment Arrangement	(3,083)	(4,382)
Cash used in financing activities	(1,142,069)	1,908,450
Change in cash and cash equivalents	1,514	(1,526)
Cash and cash equivalents at beginning of period	8,852	7,993
Cash and cash equivalents at end of period	$ 10,366	$ 6,467