1. National Center for Atmospheric Research, Boulder, Colorado United States
2. Red Electrica de Espana, Madrid, Spain
3. Australian Energy Market Operator, Adelaide, Australia
4. Fraunhofer IEE, Kassel, Germany
5. ERCOT, Austin, Texas United States
6. energy & meteo systems, Oldenburg, Germany
7. Southwest Power Pool, Little Rock, Arkansas United States
8. WEPROG, Assens, Denmark
9. CAISO, Folsom, California United States
10. R&D Nester, Sacavem, Portugal
11. UL-AWS Truepower, Albany, New York United States