(765 ILCS 165/10)
Sec. 10.
Definitions.
In this Act:
"Solar energy" means radiant energy received from the sun at wave lengths suitable for heat transfer, photosynthetic use, or photovoltaic use.
"Solar collector" means:
(1) an assembly, structure, or design, including
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| passive elements, used for gathering, concentrating, or absorbing direct and indirect solar energy, specially designed for holding a substantial amount of useful thermal energy and to transfer that energy to a gas, solid, or liquid or to use that energy directly; or |
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(2) a mechanism that absorbs solar energy and |
| converts it into electricity; or |
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(3) a mechanism or process used for gathering solar |
| energy through wind or thermal gradients; or |
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(4) a component used to transfer thermal energy to a |
| gas, solid, or liquid, or to convert it into electricity. |
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"Solar storage mechanism" means equipment or elements |
| (such as piping and transfer mechanisms, containers, heat exchangers, or controls thereof, and gases, solids, liquids, or combinations thereof) that are utilized for storing solar energy, gathered by a solar collector, for subsequent use. |
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"Solar energy system" means:
(1) a complete assembly, structure, or design of |
| solar collector, or a solar storage mechanism, which uses solar energy for generating electricity or for heating or cooling gases, solids, liquids, or other materials; and |
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(2) the design, materials, or elements of a system |
| and its maintenance, operation, and labor components, and the necessary components, if any, of supplemental conventional energy systems designed or constructed to interface with a solar energy system. |
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(Source: P.A. 96‑1436, eff. 1‑1‑11.) |