A diode used to restrict or block reverse current from flowing backward through a module. [UL 1703] Alternatively, diode connected in series to a PV string; it protects its modules from a reverse powe [..]

Condition where the current producing capability of a PV cell is significantly less than that of other cells in its series string. This can occur when a cell is shaded, cracked, or otherwise degraded [..]

(BOS)--Represents all components and costs other than the PV modules. It includes design costs, land, site preparation, system installation, support structures, power conditioning, operation and maint [..]

A diode connected across one or more solar cells in a photovoltaic module such that the diode will conduct if the cell(s) become reverse biased. [UL 1703] Alternatively, diode connected anti-parallel [..]

Discharging a battery to 20-percent or less of its full charge.

Any material that has a limited capacity for conducting an electric current. Generally falls between a metal and an insulator in conductivity. Certain semiconductors, including silicon, gallium arseni [..]

Intermediate-grade silicon used in the manufacture of solar cells. Less expensive than electronic-grade silicon.

The total distribution of electromagnetic radiation emanating from the sun.

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Dark-colored objects that soak up heat in thermal solar collectors.