The California Solar Initiative (CSI) is now in its fourth year and is nearly half way through the 1,750 Megawatt goal. Earlier this month, the CSI released the 2009 Impact Evaluation Report, which provides a program update and analysis. According to the report, from 2007 to 2009, the cost of residential solar power systems have declined 5% annually. In the same period, rebates paid under the
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