Photovoltaic (PV) Roofing Products - Are They Reliable?
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Overview: This document focuses on Wisconsin Solar Use Network (WisconSUN), which promotes the mainstream use of photovoltaic (PV) systems. By mainstream, we mean PV located in an urban environment, where land is expensive, and PV systems must be aesthetically pleasing. The pre-1997 UniSolar modules used two, three-layer cells of PV material (this is known as a dual-junction solar cell). The new UniSolar triple-junction module's degradation is anticipated to be about 10% over a 20-year period. The new UniSolar modules have wider seals around the edges and sit on a substrate that does not wick moisture.
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Format: PDF | Size: 1,116KB | Date: Apr 2003 | Pages: 4
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