The new solar wattage installed in the United States has been growing 74 percent a year since 2008, according to GTM Research, a renewable energy market analysis firm in Boston.

据波士顿的可再生能源市场分析公司GTM Research分析， 自2008年以来美国太阳能新装机功率一直以74%的年增长率在增长。

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It expects to install 14 gigawatts of solar panels in 2015, which represent about a quarter out of the 55 gigawatt worldwide output, according to a recent report from GTM Research.

GTM Research的最近一篇报告指出，中国预计将在2015年安装140亿瓦特的太阳能发电板，大约占全球总产能(550亿瓦特)的四分之一。

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Suntech will be one of many manufacturers to lower or shutter factories in the U.S., according to GTM Research.

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It now accounts for over 70% of all residential installations in California, Arizona and Colorado, said the report by GTM Research.

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The U.S. market is set to install nearly 3.3 gigawatts of solar panels for home, businesses, government agencies and utilities in 2012, up 75 percent from 2011, according to GTM Research.

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