现在，他们正在作出的几十个公司，再加上一些公用事业提供回扣。
Now they're being made by dozens of companies, plus some utilities offer rebates.
尽管一些公用事业反对屋顶太阳能安装，它仍然在一片欢迎中快速普及。
Despite some utility resistance to rooftop solar, it continues to grow in popularity.
一些公用事业公司，例如AEP正筹划建设一批未配备捕碳设备的商用发电站，但是其采用的设计能令其他技术在日后能够相对便捷地投入使用。
Some utilities, such as AEP, are planning commercial plants that will initially lack carbon-capture facilities, but are designed to allow the technology to be added fairly easily at a later date.
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