| Index Components as of: 12/01/11 |  | |
 | ||
| Company Name | Symbol | % Weighting |
|---|---|---|
| N.A. | TSLA | 3.01% |
| Yingli Green Energy Holding Co Ltd | YGE | 2.99% |
| N.A. | SZYM | 2.91% |
| Zoltek Cos Inc | ZOLT | 2.88% |
| Amerigon Inc | ARGN | 2.87% |
| N.A. | STRI | 2.62% |
| Cosan Ltd | CZZ | 2.61% |
| Trina Solar Ltd | TSL | 2.55% |
| N.A. | AMRC | 2.54% |
| Quanta Services | PWR | 2.53% |
| Sociedad Quimica y Minera de Chile SA | SQM | 2.52% |
| International Rectifier Corp | IRF | 2.48% |
| Itron Inc | ITRI | 2.42% |
| Ormat Technologies Inc | ORA | 2.41% |
| Kaydon Corp | KDN | 2.36% |
| CPFL Energia S.A. | CPL | 2.36% |
| American Superconductor Corp | AMSC | 2.35% |
| N.A. | GTAT | 2.34% |
| Air Products & Chem | APD | 2.33% |
| Idacorp Inc | IDA | 2.32% |
| ITC Holdings Corp | ITC | 2.30% |
| Calpine Corp | CPN | 2.18% |
| N.A. | MCP | 2.17% |
| Suntech Power Holdings Co Ltd | STP | 2.14% |
| Fuel Systems Solutions Inc | FSYS | 2.13% |
| N.A. | REE | 2.10% |
| JA Solar Holdings Co Ltd | JASO | 2.03% |
| Cree Inc | CREE | 2.02% |
| Rubicon Technology Inc | RBCN | 2.01% |
| Power-One Inc | PWER | 2.00% |
| N.A. | AIXG | 1.94% |
| Maxwell Technologies Inc | MXWL | 1.86% |
| Sunpower Corp | SPWR | 1.82% |
| Om Group | OMG | 1.80% |
| Universal Display Corp | PANL | 1.80% |
| Polypore International Inc | PPO | 1.80% |
| MEMC Electronic Materials Inc | WFR | 1.69% |
| N.A. | MY | 1.63% |
| First Solar Inc | FSLR | 1.51% |
| Echelon Corp | ELON | 1.51% |
| N.A. | HSOL | 1.41% |
| N.A. | AONE | 1.25% |
| N.A. | AMRS | 1.22% |
| PowerSecure International Inc | POWR | 0.71% |
| Amtech Systems Inc | ASYS | 0.53% |
| Ballard Power Systems | BLDP | 0.52% |
| N.A. | LIME | 0.51% |
| N.A. | GEVO | 0.50% |
| FuelCell Energy Inc | FCEL | 0.48% |
| SOLA International Inc. | SOL | 0.48% |
| Uqm Technologies | UQM | 0.44% |
| Emcore Corp | EMKR | 0.39% |
| Comverge Inc | COMV | 0.39% |
| Canadian Solar Inc. | CSIQ | 0.39% |
| N.A. | DQ | 0.36% |
| Satcon Technology | SATC | 0.31% |
| Active Power Inc | ACPW | 0.26% |
| ||