CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities
Net income	$ 23,121	$ 16,223
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	34,303	32,271
Deferred income taxes	14,494	7,224
Amortization of investment tax credits	(307)	(312)
Allowance for equity funds used during construction	(411)	(1,083)
Net realized and unrealized hedging and derivative transactions	63	63
Changes in operating assets and liabilities:
Accounts receivable	4,029	24,110
Accrued unbilled revenues	14,515	10,467
Inventories	5,804	6,116
Other current assets	1,713	8,213
Accounts payable	(21,340)	(17,803)
Net regulatory assets and liabilities	246	(5,879)
Other current liabilities	2,944	624
Change in other noncurrent assets	(59)	(78)
Change in other noncurrent liabilities	(7,532)	2,324
Net cash provided by operating activities	71,583	82,480
Investing activities
Utility capital/construction expenditures	(58,219)	(56,028)
Allowance for equity funds used during construction	411	1,083
Other investments	(43)	2,281
Net cash used in investing activities	(57,851)	(52,664)
Financing activities
Proceeds from short-term borrowings, net	35,000	0
Proceeds from notes payable to affiliate	111,300	190,500
Repayment of notes payable to affiliate	(148,300)	(206,000)
Repayment of long-term debt	(30)	(34)
Capital contributions from parent	0	44,032
Dividends paid to parent	(16,728)	(57,296)
Net cash used in financing activities	(18,758)	(28,798)
Net (decrease) increase in cash and cash equivalents	(5,026)	1,018
Cash and cash equivalents at beginning of period	6,445	923
Cash and cash equivalents at end of period	1,419	1,941
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amounts capitalized)	(11,514)	(11,215)
Cash received for income taxes, net	441	1,558
Supplemental disclosure of non-cash investing transactions:
Property, plant and equipment additions in accounts payable	$ 1,094	$ 1,615