CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Cash Flows From Operating Activities
Net income	$ 74,898		$ 74,863
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	148,356		137,704
Deferred income taxes	17,501		46,504
Allowance for funds used during construction (AFUDC) - equity	(8,085)		(5,473)
Stock-based compensation expense (Note A)	4,104		3,914
Pension expense	36,756		29,949
Undistributed (earnings) losses in equity investments	(11,622)		(11,990)
Deferred purchased gas	24,337		18,672
Deferred Transmission (income) expense	10,635		(19,822)
Regulatory disallowances (Note C)	17,543		0
Other non-cash items, net	2,360		20,812
Changes in:
Accounts receivable, net	36,930		(30,047)
Unbilled revenues	34,474		19,372
Natural gas in storage	(4,023)		19,099
Prepayments	(13,615)		(6,942)
Accounts payable	(54,889)		(41,532)
Cash distributions from GenConn	7,704		16,304
Interest accrued	1,962		3,735
Taxes accrued/refundable, net	24,248		34,441
Accrued liabilities	(5,065)		(1,685)
Accrued pension	(69,963)		(57,680)
Other assets	(512)		3,583
Other liabilities	(6,128)		(5,848)
Total Adjustments	193,008		173,070
Net Cash provided by Operating Activities	267,906		247,933
Cash Flows from Investing Activities
Plant expenditures including AFUDC debt	(224,172)	[1]	(214,240)	[1]
Cash distributions from GenConn	2,063		1,300
Changes in restricted cash	918		3,377
Deposits in New England East West Solution (NEEWS) (Note C)	(982)		(5,885)
Other	350		810
Net Cash (used in) Investing Activities	(221,823)		(214,638)
Cash Flows from Financing Activities
Issuance of common stock	72		1,943
Issuances of long-term debt	0		203,500
Payments on long-term debt	(20,000)		(108,500)
Line of credit borrowings (repayments), net	40,000		(80,000)
Payment of common stock dividend	(65,695)		(65,602)
Other	379		(434)
Net Cash (used in) Financing Activities	(45,244)		(49,093)
Unrestricted Cash and Temporary Cash Investments:
Net change for the period	839		(15,798)
Balance at beginning of period	17,857		30,999
Balance at end of period	18,696		15,201
Non-cash investing activity:
Plant expenditures included in ending accounts payable	21,149		26,944
Plant expenditures funded by deposits in NEEWS	(18,469)		(6,346)
Deposits in New England East West Solution (NEEWS)	$ 18,469		$ 6,346

[1] Information for segmenting total capital expenditures between Distribution and Transmission is not available.  Total Electric Distribution and Transmission capital expenditures are disclosed in the Total Electric Distribution and Transmission column.