1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
2. Argonne National Lab. (ANL), Argonne, IL (United States)
3. Johns Hopkins Univ., Baltimore, MD (United States)
4. Electric Power Research Inst. (EPRI), Palo Alto, CA (United States)
5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)