| http://www.w3.org/ns/prov#value | - In order to receive the credit for a solar energy system on residential property, the system must use solar energy to generate electricity, to heat or cool a structure or provide hot water or to provide solar process heat: However, this does not include a swimming pool, hot tub or any other energy storage medium that has a function other than storage and must derive at least 50 percent of its ener
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