Note 9 - Business Segments

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

NOTE 9 — BUSINESS SEGMENTS

The Company has two reporting segments: Electricity and Product Segments. These segments are managed and reported separately as each offers different products and serves different markets. The Electricity Segment is engaged in the sale of electricity from the Company’s power plants pursuant to PPAs. The Product Segment is engaged in the manufacture, including design and development, of turbines and power units for the supply of electrical energy and in the associated construction of power plants utilizing the power units manufactured by the Company to supply energy from geothermal fields and other alternative energy sources. Transfer prices between the operating segments are determined based on current market values or cost plus markup of the seller’s business segment.

Summarized financial information concerning the Company’s reportable segments is shown in the following table:

	Electricity		Product		Consolidated
	(Dollars in thousands)
Three Months Ended September 30, 2013:
Net revenues from external customers	$	88,994	$	41,755	$	130,749
Intersegment revenues		—		4,329		4,329
Operating income		20,732		9,065		29,797
Segment assets at period end *		2,048,021		120,314		2,168,335
* Including unconsolidated investments		5,419		—		5,419
Three Months Ended September 30, 2012:
Net revenues from external customers	$	77,612	$	54,685	$	132,297
Intersegment revenues		—		11,063		11,063
Operating income		4,681		7,384		12,065
Segment assets at period end *		2,150,533		107,830		2,258,363
* Including unconsolidated investments		2,496		980		3,476

Nine Months Ended September 30, 2013:
Net revenues from external customers	$	245,005	$	157,329	$	402,334
Intersegment revenues		—		29,731		29,731
Operating income		42,057		33,286		75,343
Segment assets at period end *		2,048,021		120,314		2,168,335
* Including unconsolidated investments		5,419		—		5,419
Nine Months Ended September 30, 2012:
Net revenues from external customers	$	238,837	$	149,616	$	388,453
Intersegment revenues		—		32,970		32,970
Operating income		35,980		25,067		61,047
Segment assets at period end *		2,150,533		107,830		2,258,363
* Including unconsolidated investments		2,496		980		3,476

          Reconciling information between reportable segments and the Company’s consolidated totals is shown in the following table:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(Dollars in thousands)						(Dollars in thousands)
Operating income	$	29,797		$	12,065		$	75,343		$	61,047
Interest income		742			280			870			1,004
Interest expense, net		(18,459	)		(15,400	)		(51,826	)		(44,541	)
Foreign currency translation and transaction gains (losses)		1,258			615			3,844			(1,127	)
Income attributable to sale of tax benefits		5,027			2,311			14,342			7,417
Other non-operating income, net		137			215			1,583			344
Total income, before income taxes, discontinued operations and equity in losses of investees	$	18,502		$	86		$	44,156		$	24,144