1. School of Electrical, Computer and Energy Engineering Arizona State University Tempe AZ 85287 USA
2. Center for Life Cycle Analysis Columbia University New York NY 10027 USA
3. Department of Chemistry and Chemical Engineering Chalmers University of Technology Gothenburg SE‐412 96 Sweden
4. Solar Energy Industries Association Washington D.C. 20005 USA
5. First Solar, Inc. Tempe AZ 85281 USA
6. Australian Centre for Advanced Photovoltaics University of New South Wales Sydney New South Wales 2052 Australia
7. bifa Umweltinstitut GmbH Augsburg 86167 Germany
8. DuPont Photovoltaic and Advanced Materials Wilmington DE 19803 USA