As of January 2017, the average cost of solar in the U.S. is $3.26 per watt ($32,600 for a 10 kilowatt system). That means that the total cost for a 10kW solar system would be $22,820 after the 30% Federal ITC discount (not factoring in any additional state rebates or incentives).
How long will my photovoltaic system last? Because solar systems have no moving parts, they very reliable and require little maintenance. Solar modules come with a manufacturer's warranty for a lifecycle of between 20 and 25 years. Depending on the quality, the installation can last up to 30 years.
如果10KW投资是$32600(不算折扣),一年发电14400度(不考虑冬天),每度电收入$0.20,一年回报$2880.
按25年使用寿命算,全部收入为$72000。投入的本金全部损耗。
看起来不是太好的投资。
How long will my photovoltaic system last? Because solar systems have no moving parts, they very reliable and require little maintenance. Solar modules come with a manufacturer's warranty for a lifecycle of between 20 and 25 years. Depending on the quality, the installation can last up to 30 years.
如果10KW投资是$32600(不算折扣),一年发电14400度(不考虑冬天),每度电收入$0.20,一年回报$2880.
按25年使用寿命算,全部收入为$72000。投入的本金全部损耗。
看起来不是太好的投资。
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