GCL-Poly recently created a joint venture with New Jersey-based NRG Energy to provide solar power plant engineering and construction services.

FORBES: Report: Solar Panel Supply Will Far Exceed Demand Beyond 2012

SolarCity is moving to capture the home energy efficiency upgrade market the same way the Silicon Valley startup and its competitors turbocharged the market for residential rooftop solar panels: Financial engineering.

FORBES: Move up http://i.forbesimg.com t Move down

Suntech Power designs, develops, manufactures, and markets photovoltaic products and also provides engineering and construction services for building solar power systems.

FORBES: Suntech Gets Money And Prestige From U.N. Deal