6353.5.
(a) There are exempted from the taxes imposed by this part the gross receipts from the sale in this state of, and the storage, use, or other consumption in this state of, any solar energy system designed to provide thermal energy for the purpose of heating water or providing electrical power, which purposes would otherwise require the use of a conventional source of energy, such as petroleum products, natural gas, manufactured gas, or electricity.(b) (1) A solar thermal system for water heating is not eligible for the exemption established by this section unless it is rated and certified by the Solar Rating and Certification Corporation, or another entity that rates and certifies complete solar systems.
(2) A photovoltaic system is not eligible for the exemption established by this credit unless it meets all applicable safety and performance standards established by the National Electrical Code, the Institute of Electrical and Electronics Engineers, and accredited testing laboratories, such as the Underwriters Laboratories.
(3) Only a complete solar energy system designed to provide thermal energy or electrical power may be eligible for this exemption, and spare or replacement parts or individual components are not eligible. For purposes of this paragraph, a complete solar energy system includes all solar collectors, piping, wiring, pumps, controls, power conditioning equipment, thermal or battery storage, and other components as required for a complete and fully functioning system, and may be sold as a separate package without installation labor or as part of an installed system.
(4) Conventional heating, pumping, wiring, or control equipment, such as a conventional water heater or internal building wiring, that could function independently in the intended application in the absence of a solar system, is not eligible for the exemption established by this section.
(c) The exemption established by this section does not apply to any of the following:
(1) A tax imposed pursuant to the Bradley-Burns Uniform Local Sales and Use Tax Law (Part 1.5 (commencing with Section 7200)), or in accordance with the Transactions and Use Tax Law (Part 1.6 (commencing with Section 7251)).
(2) A tax imposed pursuant to Section 6051.2 or 6201.2, or pursuant to Section 35 of Article XIII of the California Constitution.
(d) This section shall remain in effect only until January 1, 2005, and as of that date is repealed, unless a later enacted statute, that is enacted before January 1, 2005, deletes or extends that date.