CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities
Net income	$ 21,146	$ 17,961
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	25,669	22,484
Amortization of deferred financing costs	2,030	2,007
Allowance for funds used during construction - other funds		(1,896)
Equity based compensation	285	520
Changes in assets and liabilities:
Due from affiliates	5,227	6,572
Inventory	104	83
Prepaids and other current assets	(296)	(490)
Accounts payable and accrued liabilities	1,986	13,308
Net cash provided by operating activities	56,151	60,549
Cash flows from investing activities
Additions to electric plant	(91,601)	(120,615)
Net cash used in investing activities	(91,601)	(120,615)
Cash flows from financing activities
Proceeds from short-term borrowings	65,500	50,500
Repayments of short-term borrowings	(203,000)	(56,000)
Proceeds from borrowings of long-term debt	200,000	100,000
Repayments of long-term debt	(3,869)	(3,660)
Deferred financing costs	(801)	(649)
Dividends and distributions paid	(30,330)	(28,790)
Net cash provided by financing activities	27,500	61,401
Net (decrease) increase in cash and cash equivalents	(7,950)	1,335
Cash and cash equivalents at beginning of period	17,612	9,471
Cash and cash equivalents at end of period	$ 9,662	$ 10,806