| WEALTHY ENERGY LIMITED | Private company limited by shares | Live |
| WEITAI NEW ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY WELL LIMITED | Private company limited by shares | Dissolved |
| WELL ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY WELL LIMITED | Private company limited by shares | Dissolved |
| WELL ENERGY LIMITED | Private company limited by shares | Live |
| WELL ENERGY HONG KONG LIMITED | Private company limited by shares | Live |
| WELL ENERGY INVESTMENTS LIMITED | Private company limited by shares | Live |
| WELLSON ENERGY LIMITED | Private company limited by shares | Dissolved |
| Well-Spring Minerals and Energy Researching HK Inc Limited | Private company limited by shares | Dissolved |
| WELLY ENERGY LIMITED | Private company limited by shares | Live |
| WELMONT ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| WESCO Energy Hong Kong Limited | Private company limited by shares | Live |
| WESTA ENERGY CO., LIMITED | Private company limited by shares | Live |
| WESTERN ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WHEAT RENEWABLE ENERGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WHOLE ENERGY LIMITED | Private company limited by shares | Dissolved |
| WILLMAR Energy Resources Limited | Private company limited by shares | Live |
| WIND ENERGY LIMITED | Private company limited by shares | Dissolved |
| WIND AND SUN ENERGY LIMITED | Private company limited by shares | Live |
| HK Solar & Wind Energy Limited | Private company limited by shares | Live |
| TONG DA WIND ENERGY CO. LIMITED | Private company limited by shares | Dissolved |
| WINDCOR ENERGY LIMITED | Private company limited by shares | Dissolved |
| WINDPO NATURAL ENERGY LIMITED | Private company limited by shares | Live |
| Sun Wing Ming New Energy Limited | Private company limited by shares | Live |
| WINNER ENERGY LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Mar-2011 |
| ENERGY WINNER LIMITED | Private company limited by shares | Dissolved |
| WINSTON (ASIA) ENERGY LIMITED | Private company limited by shares | Live |
| WINSTON ENERGY GROUP LIMITED | Private company limited by shares | Live |
| WISDOM ENERGY LIMITED | Private company limited by shares | Dissolved |
| ENERGY WISDOM LIMITED | Private company limited by shares | Live |
| WISDOM ENERGY LIMITED | Private company limited by shares | Live |
| WISDOM ENERGY LIMITED | Private company limited by shares | Live |
| WISE ENERGY LIMITED | Private company limited by shares | Dissolved |
| ENERGY WISE CO. LIMITED | Private company limited by shares | Dissolved |
| ENERGY WISE LIMITED | Private company limited by shares | Dissolved |
| WISE ENERGY LIMITED | Private company limited by shares | Live |
| Sky Wise New Energy Limited | Private company limited by shares | Live |
| ENERGY WISE LIMITED | | Live |
| WISON ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| WONDER ENERGY LIMITED | Private company limited by shares | Live |
| WONDERFUL ENERGY HOLDING LIMITED -THE- | Private company limited by shares | Live |
| ENERGY WOOD LIMITED | Private company limited by shares | Dissolved |
| WORKING ENERGY LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Apr-2006 |
| ENERGY WORKSHOP COMPANY LIMITED | Private company limited by shares | Live |
| WORLDBIZ ENERGY LIMITED | Private company limited by shares | Live |
| WORLDLINK ENERGY LIMITED | Private company limited by shares | Live |
| Worldlink Energy Systems Limited | Private company limited by shares | Live |
| WUMING ENERGY LIMITED | Private company limited by shares | Live |
| WUXI BOILER & ENERGY ENGINEERING COMPANY LIMITED | | Live |
| ECO Xianyang New Energy Limited | Private company limited by shares | Dissolved |
| Lu Xiao Ye New Energy Company Limited | | Live |
| XILAN ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| XINGLI HK ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA XINHAI ENERGY LIMITED | Private company limited by shares | Dissolved |
| XINNUO ENERGY PRIVATE LIMITED | Private company limited by shares | Live |
| Yama Renewable Energy Co Limited | Private company limited by shares | Live |
| Da Yang Energy Mall Co., Limited | Private company limited by shares | Live |
| Jun Yang Energy Investments Limited | Private company limited by shares | Live |
| WAH YANG ENERGY (JINCHENG) LIMITED | Private company limited by shares | Dissolved |
| Tai Yang Solar Energy Limited | Private company limited by shares | Live |
| ENERGY YATCH LIMITED | Private company limited by shares | Live |
| Yeemin New Energy co., Limited | Private company limited by shares | Live |
| YENWELL ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| YENWELL NETWORK ENERGY (ASIA) TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| YEOSAN ENERGY LIMITED | Private company limited by shares | Live |
| MING YEUNG ENERGY RESOURCES INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| YIBAI Energy Co., Limited | | Live |
| HAO YING ENERGY CO., LIMITED | Private company limited by shares | Live |
| HO YING RENEWABLE ENERGY LIMITED | | Live |
| YINGLI SOLAR ENERGY SYSTEM LIMITED | Private company limited by shares | Live |
| Yinlong New Energy Limited | Private company limited by shares | Live |
| Yinlun Goldbridge Clean Energy Limited | Private company limited by shares | Live |
| HK YINMOKU ENERGY CO., LIMITED | | Live |
| YINYOO ENERGY LIMITED | Private company limited by shares | Live |
| YIZHONG ENERGY HK LIMITED | Private company limited by shares | Live |
| YOKU ENERGY LIMITED | Private company limited by shares | Live |
| YOKU ENERGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| Yong Energy Company Limited | Private company limited by shares | Live |
| YORK ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yorks New Energy Limited | Private company limited by shares | Live |
| YOUNG ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| YOUNG ENERGY SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| YUAN NEW ENERGY LIMITED | Private company limited by shares | Live |
| CHINA YUAN DA ENERGY STOCK LIMITED | Private company limited by shares | Dissolved |
| CHINA YUAN DA ENERGY STOCK LIMITED | | Live |
| CHENG YUAN NEW ENERGY RESOURCES CO., LIMITED | | Live |
| Yuan Dong Energy Limited | Private company limited by shares | Live |
| YUAN MING GREEN ENERGY LIMITED | Private company limited by shares | Live |
| JIN YUAN ENERGY (HOLDING) GROUP LIMITED | Private company limited by shares | Dissolved |
| Yuanhai Bio Energy Limited | Private company limited by shares | Live |
| YUANHAI ENERGY LIMITED | Private company limited by shares | Live |
| YuanLi Wind Energy Investment Limited | Private company limited by shares | Live |
| Yuanpin New Energy (Hong Kong) Company Limited | | Live |
| YuanPu Energy Limited | | Live |
| YUBO SOLAR ENERGY LIMITED | Private company limited by shares | Live |
| YUELU ENERGY LIMITED | | Live |
| YUMAO ENERGY TRADE LIMITED | Private company limited by shares | Live |
| Kam Yung New Energy Company Limited | Private company limited by shares | Live |
| YUNNAN ENERGY INVESTMENT (H K) CO. LIMITED | Private company limited by shares | Live |