1. Fraunhofer IWES, Germany
2. INESC TEC, Portugal
3. Electric Reliability Council of Texas ERCOT, Austin, United States
4. Siemens, Minnetonka, Minnesota United States
5. National Center for Atmospheric Research NCAR, Boulder, Colorado United States
6. Energy and Meteo Systems GmbH, Germany
7. WEPROG, Denmark and Germany
8. Hawaiian Electric Company, Honolulu, Hawaii United States
9. RED Eléctricia De Espana, Spain