1. Acciona Energ?a
S.A.
2. BrightSource Energy Inc.
3. Siemens AG
4. Enel S.p.A.
5. Abengoa S.A.
6. China General Technology (Group) Holding Co. Ltd.
7. SolarReserve LLC
8. Tianjin Zhonghuan Semiconductor Co. Ltd
9. General Electric Group
10. Areva S.A.