1. Univ. College of Dublin (Ireland)
2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
3. Technical Univ. of Denmark, Lyngby (Denmark)
4. Catholic Univ. of Leuven (Denmark)
5. Electric Power Research Inst., Palo Alto, CA (United States)
6. Durham Univ. (United Kingdom)
7. Imperial College, London (United Kingdom)
8. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)