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Environmental Impact of Crystalline Silicon Photovoltaic Module Production

Published online by Cambridge University Press:  26 February 2011

Erik Alsema  and
Mariska J de Wild
Erik Alsema
Affiliation:
e.a.alsema@chem.uu.nl, Utrecht University, Heidelberglaan 2, Utrecht, N/A, NL-3584 CS, Netherlands, +31-30-2537618
Mariska J de Wild
Affiliation:
m.dewild@ecn.nl, Energy research Centre of the Netherlands ECN, Unit Solar Energy, Netherlands
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Abstract

Together with a number of PV companies an extensive effort has been made to collect Life Cycle Inventory data that represents the current status of production technology for crystalline silicon modules. The new data covers all processes from silicon feedstock production to cell and module manufacturing. All commercial wafer technologies are covered, that is multi- and monocrystalline wafers as well as ribbon technology. The presented data should be representative for the technology status in 2004, although for monocrystalline Si crystallisation further improvement of the data quality is recommended. On the basis of the new data it is shown that PV systems on the basis of c-Si technology are in a good position to compete with other energy technologies. Energy Pay-Back Times of 1.7-2.7 yr are found for South-European locations, while life-cycle CO2 emission is in the 30-46 g/kWh range. Clear perspectives exist for further improvements with roughly 40-50%.

Keywords

photovoltaicSienvironmentally benign
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 895: Symposium G – Life-Cycle Analysis Tools for “Green” Materials and Process Selection , 2005 , 0895-G03-05
Copyright
Copyright © Materials Research Society 2006

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References

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