Performance and Modeling of Amorphous Silicon Photovoltaics for Building-Integrated Applications

Research output: Contribution to conferencePaper


Amorphous silicon photovoltaic (PV) modules offer several advantages for building-integrated applications. The material can be deposited on glass or flexible substrates, which allows for products like roofing shingles and integrated PV/building glass. The material also has a uniform surface, which is ideal for many architectural applications. Amorphous silicon modules perform well in warm weatherand have a small temperature coefficient for power. Depending on the building load, this may be beneficial when compared to crystalline systems. At the National Renewable Energy Laboratory, we are monitoring the performance of a triple-junction a-Si system. The system consists of 72 roofing shingles mounted directly to simulated roofing structures. This document examines the performance of thebuilding-integrated amorphous silicon PV system and applicability for covering residential loads. A simple model of system performance is also developed and is presented.
Original languageAmerican English
Number of pages7
StatePublished - 1999
EventSolar 99: Growing the Market - Portland, Maine
Duration: 12 Jun 199917 Jun 1999


ConferenceSolar 99: Growing the Market
CityPortland, Maine

NREL Publication Number

  • NREL/CP-520-25851


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