CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 84,580		$ 99,886
Marketable securities	15,719		18,521
Restricted cash, cash equivalents and marketable securities (all related to VIEs)	75,145		75,521
Receivables:
Trade	43,545		51,274
Related entity	307		287
Other	8,058		9,415
Due from Parent	123		260
Inventories	17,200		12,541
Costs and estimated earnings in excess of billings on uncompleted contracts	8,618		3,966
Deferred income taxes	2,315		1,842
Prepaid expenses and other	19,863		18,672
Total current assets	275,473		292,185
Unconsolidated investments	3,732		3,757
Deposits and other	22,940		22,194
Deferred charges	40,066		40,236
Property, plant and equipment, net ($1,438,586 and $1,477,580 related to VIEs, respectively)	1,505,543		1,518,532
Construction-in-process ($299,126 and $271,859 related to VIEs, respectively)	413,998		370,551
Deferred financing and lease costs, net	28,054		28,482
Intangible assets, net	37,963		38,781
Total assets	2,327,769	[1]	2,314,718
Current liabilities:
Accounts payable and accrued expenses	98,993		105,112
Billings in excess of costs and estimated earnings on uncompleted contracts	32,155		33,104
Limited and non-recourse (all related to VIEs):
Senior secured notes	22,247		21,464
Other loans	13,612		13,547
Full recourse	20,647		20,543
Total current liabilities	187,654		193,770
Limited and non-recourse (all related to VIEs:)
Senior secured notes	340,374		341,157
Other loans	99,921		100,585
Full recourse:
Senior unsecured bonds (plus unamortized premium based upon 7% of $1,667)	249,964		250,042
Other loans	60,273		63,623
Revolving credit lines with banks	227,642		214,049
Liability associated with sale of tax benefits	64,383		69,269
Deferred lease income	68,321		68,955
Deferred income taxes	59,399		54,665
Liability for unrecognized tax benefits	6,409		5,875
Liabilities for severance pay	21,674		20,547
Asset retirement obligation	21,697		21,284
Other long-term liabilities	4,021		4,253
Total liabilities	1,411,732		1,408,074
Commitments and contingencies
The Company's stockholders' equity:
Common stock, par value $0.001 per share; 200,000,000 shares authorized; 45,430,886 shares issued and outstanding	46		46
Additional paid-in capital	727,403		725,746
Retained earnings	180,226		172,331
Accumulated other comprehensive income	518		595
Stockholders' equity	908,193		898,718
Noncontrolling interest	7,844		7,926
Total equity	916,037		906,644
Total liabilities and equity	$ 2,327,769		$ 2,314,718

[1] Including unconsolidated investments 2,330 1,402 3,732