Name
 | URL | Country
| Market Cap (US$)
|
|---|
| Iberdrola S.A. | http://www.iberdrola.es | Spain | 44,732 |
| The Southern Company | http://www.southernco.com | United States | 29,024 |
| The Kansai Electric Power Co., Inc. | http://www.kepco.co.jp | Japan | 26,186 |
| Chubu Electric Power Co., Inc. | http://www.chuden.co.jp | Japan | 23,557 |
| Union Fenosa S.A. | http://www.unionfenosa.es | Spain | 22,205 |
| China Yangtze Power Company Limited | http://www.cypc.com.cn | China | 20,127 |
| Duke Energy Corporation | http://www.duke-energy.com/ | United States | 19,485 |
| CLP Holdings Limited | http://www.clpgroup.com/ | Hong Kong | 16,328 |
| Entergy Corporation | http://www.entergy.com | United States | 16,034 |
| FirstEnergy Corporation | http://www.firstenergycorp.com | United States | 15,138 |
| Oesterreichische Elektrizitaetswirtschafts AG | http://www.verbund.at | Austria | 14,953 |
| EDP-Energias de Portugal SA | http://www.edp.pt | Portugal | 13,856 |
| Tohoku Electric Power Company, Inc. | http://www.tohoku-epco.co.jp | Japan | 13,434 |
| PPL Corporation | http://www.pplweb.com | United States | 11,724 |
| The Chugoku Electric Power Co., Inc. | http://www.energia.co.jp/ | Japan | 9,550 |
| Huaneng Power International Co. | http://www.hpi.com.cn/ | China | 9,014 |
| Tenaga Nasional Bhd. | http://www.tnb.com.my | Malaysia | 7,779 |
| Ameren Corporation | http://www.ameren.com | United States | 7,215 |
| Datang International Power Generation Company Limited | http://www.dtpower.com | China | 6,454 |
| The Hokuriku Electric Power Co. | http://www.rikuden.co.jp | Japan | 6,037 |
|
