Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities:
Net income	$ 21,407	$ 32,099
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation and amortization including regulatory items and other	45,698	39,527
Pension and other postretirement benefit costs, net of contributions	(15,109)	5,154
Deferred income taxes and unamortized investment tax credit, net	9,337	3,513
Allowance for equity funds used during construction	(2,212)	(2,773)
Stock compensation expense	999	2,046
Non-cash (gain)/loss on derivatives	3,300	(526)
Cash flows impacted by changes in:
Accounts receivable and accrued unbilled revenues	21,171	6,096
Fuel, materials and supplies	(301)	11
Prepaid expenses, other current assets and deferred charges	(351)	(3,104)
Accounts payable and accrued liabilities	(26,130)	(22,610)
Interest, taxes accrued and customer deposits	10,832	11,501
Asset retirement obligations		(1,234)
Other liabilities and other deferred credits	5,456	(656)
Net cash provided by operating activities	74,097	69,044
Investing activities:
Capital expenditures - regulated	(106,295)	(94,783)
Capital expenditures and other investments - non-regulated	(950)	(784)
Restricted cash		(4,854)
Net cash used in investing activities	(107,245)	(100,421)
Financing activities:
Proceeds from issuance of common stock, net of issuance costs	2,878	4,515
Net short-term borrowings	53,000	48,500
Dividends	(22,671)	(22,027)
Other	(172)	(147)
Net cash provided by financing activities	33,035	30,841
Net decrease in cash and cash equivalents	(113)	(536)
Cash and cash equivalents at beginning of period	2,105	3,475
Cash and cash equivalents at end of period	$ 1,992	$ 2,939