CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Utility plant
Utility plant	$ 690,391	$ 684,509
Less accumulated depreciation	300,769	297,441
Utility plant, net of accumulated depreciation	389,622	387,068
Property under capital leases, net	3,165	3,395
Construction work-in-progress	26,006	23,376
Nuclear fuel, net	2,727	2,749
Total utility plant, net	421,520	416,588
Investments and other assets
Investments in affiliates	181,832	179,974
Non-utility property, less accumulated depreciation ($3,177 in 2012 and $3,190 in 2011)	2,263	2,280
Millstone decommissioning trust fund	6,362	5,950
Restricted cash	499	2,550
Other	7,438	7,063
Total investments and other assets	198,394	197,817
Current assets
Cash and cash equivalents	1,724	1,734
Restricted cash	2,833	4,619
Special deposits	0	5
Accounts receivable, less allowance for uncollectible accounts ($3,431 in 2012 and $3,305 in 2011)	27,246	26,984
Accounts receivable - affiliates, less allowance for uncollectible accounts	1,618	650
Unbilled revenues	17,985	21,638
Materials and supplies, at average cost	7,845	7,537
Prepayments	12,037	13,966
Deferred income taxes	9,936	11,862
Power-related derivatives	13	4
Regulatory assets	2,783	2,605
Other deferred charges - regulatory	14,594	9,202
Other deferred charges and other assets	722	1,533
Other current assets	1,648	2,289
Total current assets	100,984	104,628
Deferred charges and other assets
Regulatory assets	45,480	46,381
Other deferred charges - regulatory	2,743	4,623
Other deferred charges and other assets	5,509	6,228
Total deferred charges and other assets	53,732	57,232
TOTAL ASSETS	774,630	776,265
Capitalization
Common stock, $6 par value, 19,000,000 shares authorized, 15,693,048 issued and 13,563,975 outstanding at March 31, 2012 and 15,602,091 issued and 13,473,018 outstanding at December 31, 2011	94,158	93,613
Other paid-in capital	97,916	96,040
Accumulated other comprehensive loss	(185)	(186)
Treasury stock, at cost, 2,129,073 shares at March 31, 2012 and December 31, 2011	(48,436)	(48,436)
Retained earnings	132,806	127,123
Total common stock equity	276,259	268,154
Preferred and preference stock not subject to mandatory redemption	8,054	8,054
Long-term debt	228,448	240,578
Capital lease obligations	2,242	2,471
Total capitalization	515,003	519,257
Current liabilities
Accounts payable	8,699	7,157
Accounts payable - affiliates	10,614	15,133
Nuclear decommissioning costs	1,462	1,433
Power-related derivatives	8,955	4,940
Other deferred credits - regulatory	816	1,047
Other current liabilities	48,089	49,369
Total current liabilities	78,635	79,079
Deferred credits and other liabilities
Deferred income taxes	103,276	100,314
Deferred investment tax credits	2,079	2,132
Nuclear decommissioning costs	3,454	3,827
Asset retirement obligations	3,859	3,806
Accrued pension and benefit obligations	42,242	40,981
Other deferred credits - regulatory	3,451	3,081
Other deferred credits and other liabilities	22,631	23,788
Total deferred credits and other liabilities	180,992	177,929
Commitments and contingencies (Note 13)
TOTAL CAPITALIZATION AND LIABILITIES	$ 774,630	$ 776,265