Nine of the entrepreneurs from the Hurun Low Carbon 20 made their money from solar energy, led by Zhu Gongshan from GCL-POLY and Shi Zhengrong from Suntech.

20位低碳富豪中有9位来自太阳能产业，其中以保利协鑫的朱共山和尚德太阳能的施正荣为代表。

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An industry that once spawned at least four Chinese billionaires now lays claim to only one, GCL-Poly Energy Chairman Zhu Gongshan.

FORBES: Chinese Solar Fortunes Shrivel, Leaving Just One Billionaire

Meanwhile, other companies, such as GCL-Poly Energy, which is among the largest maker of silicon and silicon wafers (for making solar cells) in the world, are willing to expand production and lose money for a while in order to gain market share, Mehta said.

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

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