CONSOLIDATED BALANCE SHEET (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Current Assets
Unrestricted cash and temporary cash investments	$ 17,857		$ 30,999
Restricted cash	2,805		6,522
Accounts receivable less allowance of $11,867 and $10,939, respectively	230,799		180,465
Unbilled revenues	83,956		71,957
Current regulatory assets (Note A)	118,961		102,900
Natural gas in storage, at average cost	84,768		111,516
Materials and supplies, at average cost	10,709		8,370
Deferred income taxes	41,605		41,635
Refundable taxes	1,686		74,983
Current portion of derivative assets (Note A)	12,671		14,189
Other	20,892		23,692
Total Current Assets	626,709		667,228
Other investments
Equity investment in GenConn (Note A)	124,799		131,082
Other	23,931		22,571
Total Other investments	148,730		153,653
Net Property, Plant and Equipment	2,787,354		2,570,355
Regulatory Assets (future amounts due from customers through the ratemaking process) (Note A)	1,017,220		983,222
Deferred Charges and Other Assets
Unamortized debt issuance expenses	16,625		17,631
Other long-term receivable	1,501		1,278
Derivative assets (Note A)	67,167		73,264
Goodwill	266,205		266,797
Other	28,587		11,181
Total Deferred Charges and Other Assets	380,085		370,151
Total Assets	4,960,098	[1]	4,744,609	[2]
Current Liabilities
Line of credit borrowings	187,000		235,000
Current portion of long-term debt	48,296	[3]	13,712	[3]
Accounts payable	176,861		194,641
Dividends payable	21,887		21,847
Accrued liabilities	98,262		78,138
Current regulatory liabilities (Note A)	21,284		26,245
Taxes accrued	18,235		21,870
Interest accrued	22,427		21,527
Current portion of derivative liabilities (Note A)	30,804		28,888
Total Current Liabilities	625,056		641,868
Noncurrent Liabilities
Pension accrued	325,547		243,980
Connecticut Yankee contract obligation (Note J)	11,129		14,247
Other post-retirement benefits accrued	98,147		84,810
Derivative liabilities (Note A)	224,639		239,147
Other	49,506		68,371
Total Noncurrent Liabilities	708,968		650,555
Deferred Income Taxes (future tax liabilities owed to taxing authorities)	456,411		388,553
Regulatory Liabilities (future amounts owed to customers through the ratemaking process) (Note A)	452,416		420,175
Commitments and Contingencies (Note J)
CAPITALIZATION (Note B)
Long-term debt, net of unamortized discount and premium	1,600,354		1,548,347
Preferred Stock of Subsidiary
Redeemable preferred stock, noncontrolling interests	340		750
Common Stock Equity
Common stock	936,702		931,153
Paid-in capital	20,400		19,791
Retained earnings	159,900		143,792
Accumulated other comprehensive loss	(449)		(375)
Net Common Stock Equity	1,116,553		1,094,361
Total Capitalization	2,717,247		2,643,458
Total Liabilities and Capitalization	$ 4,960,098		$ 4,744,609

[1] Includes $266.2 million of goodwill in the Gas Distribution segment as of December 31, 2012.

[2] Includes $266.8 million and $298.9 million of goodwill in the Gas Distribution segment as of December 31, 2011 and 2010, respectively.

[3] Includes the current portion of unamortized premium.