CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash Flows From Operating Activities
Net income	$ 78,422	$ 44,380
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	110,920	83,856
Deferred income taxes	53,876	13,475
Stock-based compensation expense (Note A)	4,326	3,086
Pension expense	30,380	20,287
Allowance for funds used during construction (AFUDC) - equity	(7,657)	(4,716)
Undistributed (earnings) losses in equity investments	(8,650)	400
Other non-cash items, net	10,810	7,987
Changes in:
Accounts receivable, net	33,846	(22,598)
Unbilled revenues	28,955	9,457
Prepayments	(5,708)	(4,061)
Accounts payable	(33,133)	3,193
Interest accrued	2,074	174
Taxes accrued	(18,456)	7,043
Accrued liabilities	(10,220)	(3,789)
Accrued pension	(71,264)	(4,940)
Other assets	(1,208)	(176)
Other liabilities	(11,755)	1,582
Total Adjustments	107,136	110,620
Net Cash provided by Operating Activities	185,558	154,640
Cash Flows from Investing Activities
Related party note receivable (Note H)	(1,050)	(9,200)
Plant expenditures including AFUDC debt	(226,936)	(130,545)
Acquisition of gas companies, net of cash acquired (Note N)	11,211	0
Changes in restricted cash	(3,492)	2,053
Deposits in New England East West Solution (NEEWS) (Note C)	(1,623)	0
Other	1,374	144
Net Cash (used in) Investing Activities	(220,516)	(137,548)
Cash Flows from Financing Activities
Issuances of common stock	0	501,534
Issuances of long-term debt	51,050	109,000
Payments on long-term debt	(145,118)	(59,826)
Line of credit borrowings (repayments)	131,000	0
Payment of common stock dividend	(65,439)	(38,843)
Other	(516)	(846)
Net Cash provided by Financing Activities	(29,023)	511,019
Unrestricted Cash and Temporary Cash Investments:
Net change for the period	(63,981)	528,111
Balance at beginning of period	90,281	15,269
Balance at end of period	26,300	543,380
Non-cash investing activity:
Plant expenditures included in ending accounts payable	45,553	29,336
Related party note receivable (Note H)	62,989	55,540
Equity investment in Related Party (Note H)	$ (62,989)	$ (55,540)