| 日期/Date | 事件/Event | 地點/Location |
| 2010/12/8 | SPWRA, ESLR, PWER at Macquarie Securities Alternative Energy Conference:Powering Change - New York | |
| 2010/12/8 | SPWRA, ESLR, PWER at Macquarie Securities Alternative Energy Conference:Powering Change - New York | |
| 2010/12/8 | SPWRA, ESLR, PWER at Macquarie Securities Alternative Energy Conference:Powering Change - New York | |
| 2010/12/8 | SPWRA, ESLR, PWER at Macquarie Securities Alternative Energy Conference:Powering Change - New York | |