Unaudited Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATIONS:
Net income	$ 105,204	$ 97,621
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	179,939	172,492
Amortization of redemption premiums and expense on debt	3,081	2,948
Deferred income taxes and investment tax credit adjustments - net	15,109	(16,852)
Allowance for equity funds used during construction	(2,538)	(7,839)
Change in certain assets and liabilities:
Accounts receivable	(5,117)	(7,361)
Inventories	7,688	2,088
Increase (Decrease) in Accounts Payable	(46,063)	(1,620)
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities	3,560	(5,812)
Accrued real estate and personal property taxes	(9,670)	32,787
Accrued interest	2,965	1,037
Pension and other postretirement benefit expenses	4,082	(34,469)
Short-term and long-term regulatory assets and liabilities	2,213	82,306
Increase (Decrease) in Prepaid Expense and Other Assets	3,576	10,679
Other - net	2,895	1,059
Net cash provided by operating activities	259,772	307,706
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(126,066)	(161,830)
Project development costs	(1,268)	(761)
Cost of removal and regulatory recoverable ARO payments	(14,067)	(20,845)
Other	278	1,053
Net cash used in investing activities	(141,123)	(182,383)
CASH FLOWS FROM FINANCING ACTIVITIES:
Short-term debt borrowings	10,000	100,000
Short-term debt repayments	(10,000)	(144,000)
Dividends on common stock	(94,699)	(85,189)
Preferred dividends of subsidiary	(2,410)	(2,410)
Payments for financed capital expenditures	(5,616)	(8,469)
Other	(710)	(191)
Net cash used in financing activities	(103,435)	(140,259)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	15,214	(14,936)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	48,813	15,745
Supplemental disclosures of cash flow information:
Capital Expenditures Incurred but Not yet Paid	13,115	41,109
Cash paid during the period for:
Income Taxes Paid, Net	23,600	15,800
Interest (net of amount capitalized)	$ 85,602	$ 66,177