CONSOLIDATED BALANCE SHEET (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Unrestricted cash and temporary cash investments	$ 23,655	$ 90,281
Restricted cash	5,063	2,399
Electric distribution and transmission accounts receivable less allowance of $3,400 and $3,600, respectively	96,763	93,702
Gas distribution accounts receivable less allowance of $9,960 and $6,971, respectively	99,925	112,290
Unbilled revenues	54,699	81,659
Current regulatory assets	81,257	115,848
Natural gas in storage, at average cost	80,155	108,080
Deferred income taxes	28,597	24,039
Refundable taxes, net	13,709	10,165
Current portion of derivative assets (Note A), (Note K)	10,615	6,057
Other accounts receivable	10,618	28,181
Other current assets	18,040	24,720
Total Current Assets	523,096	697,421
Other investments
Equity investment in Related Party (Note H)	69,486	62,786
Other	23,373	22,931
Total Other investments	92,859	85,717
Net Property, Plant and Equipment	2,438,161	2,327,450
Regulatory Assets (future amounts due from customers through the ratemaking process)	963,236	925,889
Deferred Charges and Other Assets
Unamortized debt issuance expenses	17,311	19,238
Related party note receivable (Note H)	63,033	61,983
Other long-term receivable	1,280	1,281
Derivative assets (Note A), (Note K)	73,679	28,131
Goodwill (Note N)	302,184	298,890
Other	12,194	9,433
Total Deferred Charges and Other Assets	469,681	418,956
Total Assets	4,487,033	4,455,433
Current Liabilities
Line of credit borrowings	0	7,000
Current portion of long-term debt	102,056	154,114
Accounts payable	170,316	199,816
Dividends payable	21,846	21,801
Accrued liabilities	59,264	80,488
Current regulatory liabilities	78,315	53,601
Interest accrued	21,255	22,868
Current portion of derivative liabilities (Note A), (Note K)	28,905	13,246
Total Current Liabilities	481,957	552,934
Noncurrent Liabilities
Pension accrued	211,158	265,564
Connecticut Yankee contract obligation	15,759	17,175
Other post-retirement benefits accrued	92,172	89,813
Derivative liabilities (Note A), (Note K)	240,601	129,560
Other	73,433	75,119
Total Noncurrent Liabilities	633,123	577,231
Deferred Income Taxes (future tax liabilities owed to taxing authorities)	393,624	354,164
Regulatory Liabilities (future amounts owed to customers through the ratemaking process)	366,916	382,366
Commitments and Contingencies (Note J)
Capitalization (Note B)
Long-term debt, net of unamortized discount and premium	1,508,223	1,511,768
Preferred Stock of Subsidiary
Redeemable preferred stock, noncontrolling interests	828	828
Common Stock Equity
Common stock	930,271	927,494
Paid-in capital	17,773	17,026
Retained earnings	154,006	131,456
Accumulated other comprehensive income	312	166
Net Common Stock Equity	1,102,362	1,076,142
Total Capitalization	2,611,413	2,588,738
Total Liabilities and Capitalization	$ 4,487,033	$ 4,455,433