| China Huadian Oil and Gas Company Limited | Private company limited by shares | Live |
| Huadian (China) Co., Limited | Private company limited by shares | Live |
| CHINA HUADIAN GROUP LIMITED | Private company limited by shares | Live |
| China Huadian HongKong Company Limited | Private company limited by shares | Live |
| Huadian Fuxin Electric Power Co., Limited | Private company limited by shares | Dissolved |
| Huadian International Co., Limited | Private company limited by shares | Live |
| HUADIAN NEW ENERGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HUADIAN NORTH ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Huadian Gaintime (HK) Limited | Private company limited by shares | Live |
| HK HUADIAN GROUP LIMITED | Private company limited by shares | Live |
| HUADIAN INT'L GROUP LIMITED | Private company limited by shares | Live |
| China Huadian Finance (Hong Kong) Company Limited | Private company limited by shares | Live |
| HONG KONG HUADIAN CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Dec-2016 |
| Huadian Power Equipment (Hong Kong) Limited | Private company limited by shares | Live |
| Hong Kong Huadian Lighting Co., Limited | Private company limited by shares | Live |
| Huadian Natural Gas Hong Kong Limited | Private company limited by shares | Live |
| SHENZHEN NANSHAN HUAZHIYAN HUADIAN LIMITED | Private company limited by shares | Dissolved |
| HUADIAN INDUSTRY HOLDING LIMITED | Private company limited by shares | Dissolved |
| HUADIAN INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HUADIAN LIGHTING CO., LIMITED | Private company limited by shares | Live |
| China Huadian Overseas Asset Management Company Limited | Private company limited by shares | Live |
| SHANGHAI HUADIAN VALVE MANUFACTURING GROUP LIMITED | | Live |
| HUADIAN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Huadian Garment Trading Co., Limited | Private company limited by shares | Live |
| CHINA HUADIAN VALVE GROUP CO., LIMITED | Private company limited by shares | Live |
| CHINA HUADIAN VALVE MANUFACTURING LIMITED | Private company limited by shares | Live |
| XURI HUADIAN (CHINA) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| YIWU HUADIAN PACKING LIMITED | Private company limited by shares | Live |
| HUADIANDANENG CO., LIMITED | Private company limited by shares | Live |