| KAIZHONG NEW ENERGY (HONG KONG) COMPANY LIMITED | | Live |
| KALILA ENERGY LIMITED | Private company limited by shares | Live |
| KEEP ENERGY LIMITED | Private company limited by shares | Dissolved |
| KENON-DIGI CONTROLS AND ENERGY LIMITED | Private company limited by shares | Live |
| KEYSTONE ENERGY LIMITED | Private company limited by shares | Dissolved |
| KEYSTONE ENERGY LIMITED | Private company limited by shares | Live |
| KILBURN ENERGY LIMITED | Private company limited by shares | Dissolved |
| KINGMINE ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| KINGSPOT ENERGY LIMITED | Private company limited by shares | Live |
| KINGSPOT ENERGY LIMITED | Private company limited by shares | Live |
| KMGS ENERGY PTE LIMITED | Private company limited by shares | Live |
| KOLNER ENERGY LIMITED | | Live |
| HOI KONG ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KONG ENERGY LIMITED | Private company limited by shares | Live |
| Alset Integrated Energy Hong Kong Limited | Private company limited by shares | Live |
| ASIAN SOLAR ENERGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ENERGY BAGUA (HONG KONG) LIMITED | Private company limited by shares | Live |
| Baron Energy Hong Kong Limited | Private company limited by shares | Live |
| BIOMERIT ENERGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Bohai New Energy Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| China Energy Engineering (Hong Kong) Company Limited | Private company limited by shares | Live |
| NEW ENERGY CHINA INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| China Energy and Mining (Hong Kong) Limited | Private company limited by shares | Live |
| Biomass Energy (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Forssman New Energy Hong Kong Co., Limited | | Live |
| Hua Guang New Energy (Hong Kong) Co., Limited | Private company limited by shares | Live |
| GuoZhong New Energy Hong Kong Co., Limited | Private company limited by shares | Live |
| HEXIN ENERGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| JUZHAO ENERGY (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| Rui Ming New Energy (Hong Kong) Co., Limited | Private company limited by shares | Live |
| ENERGY SPORTS (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Huayi Energy (Hong Kong) Co., Limited | Private company limited by shares | Live |
| One Energy Industry (Hong Kong) Co., Limited | Private company limited by shares | Live |
| QIHAI NEW ENERGY (HONG KONG) CO., LIMITED | | Live |
| Dinghui Solar Energy (Hong Kong) Limited | Private company limited by shares | Live |
| Ecson Energy Hong Kong Limited | Private company limited by shares | Live |
| ENERGY ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| FEOSO ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Energy forest (Hong Kong) Limited | Private company limited by shares | Live |
| FRIENDLY ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| GANGYU ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| GENESIS ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Zhengqi Green Energy (Hong Kong) Limited | | Live |
| ENERGY ENTERTAINMENT GROUP HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Innovative Energy Group Hong Kong Limited | Private company limited by shares | Dissolved |
| SILDEN ENERGY GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| Zhonglihe Energy Group (Hong Kong) Limited | | Live |
| Wind Energy Holding (Hong Kong) Limited | Private company limited by shares | Live |
| AMENSOLAR ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Anotech Energy Hong Kong Limited | Private company limited by shares | Live |
| CENTURY ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Chung Kwun Energy (Hong Kong) Company Limited | Private company limited by shares | Dissolved |
| CONCORD ENERGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Concord Energy (Hong Kong) Company Limited | Private company limited by shares | Live |
| COOLTECH ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Dewell Energy (Hong Kong) Limited | | Live |
| SAJ Digital Energy Hong Kong Limited | | Live |
| District Energy Capital II (Hong Kong) Co. Limited | Private company limited by shares | Dissolved |
| District Energy Capital III (Hong Kong) Co. Limited | Private company limited by shares | Dissolved |
| Eoplly New Energy (Hong Kong) Limited | Private company limited by shares | Live |
| New General Energy (Hong Kong) Limited | Private company limited by shares | Live |
| Infinis Energy Hong Kong Limited | Private company limited by shares | Live |
| Lightning Energy (Hong Kong) Limited | Private company limited by shares | Live |
| MARK ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| TG Mars Energy (Hong Kong) Limited | Private company limited by shares | Live |
| Marvel Energy (Hong Kong) Company Limited | Private company limited by shares | Live |
| POWERWINGS ENERGY HONG KONG LIMITED | Private company limited by shares | Live |
| Richsun Renewable Energy Hong Kong Company Limited | Private company limited by shares | Live |
| Reform Energy Service (Hong Kong) Limited | Private company limited by shares | Live |
| SHERWOOD ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Shui Fa Energy (Hong Kong) Limited | Private company limited by shares | Live |
| ITALIAN SOLAR ENERGY HONG KONG LIMITED | Private company limited by shares | Live |
| STUART ENERGY CKI (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOPHILL ENERGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNICORN ENERGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| NEW ENERGY INVESTMENT (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ENERGY INVESTMENTS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Laplace Energy (Hong Kong) Company Limited | Private company limited by shares | Live |
| Lloyds Energy Hong Kong Limited | Private company limited by shares | Live |
| MIT-KUASOLAR NEW ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Monster Energy Hong Kong Limited | Private company limited by shares | Live |
| N-Viro Energy (Hong Kong) Limited | Private company limited by shares | Live |
| Asia Pacific Energy (Hong Kong) Limited | Private company limited by shares | Live |
| POWEROAD ENERGY (HONG KONG) LIMITED | | Live |
| Meige Energy Resources (Hong Kong) Limited | Private company limited by shares | Live |
| TERSIS ENERGY RESOURCES HONG KONG LIMITED | Private company limited by shares | Live |
| Zhonghe Energy Resources (Hong Kong) Limited | Private company limited by shares | Live |
| Rocky Energy (Hong Kong) Limited | Private company limited by shares | Dissolved |
| SCION ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| JA Solar Smart Energy (Hong Kong) Limited | Private company limited by shares | Live |
| VID Energy Solution (Hong Kong) Limited | Private company limited by shares | Dissolved |
| FKT Energy Solutions (Hong Kong) Limited | | Live |
| ENERGY AND RESOURCES SOLUTIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| GDF Suez Energy Hong Kong Limited | Private company limited by shares | Live |
| Horizon New Energy Technologies (Hong Kong) Limited | | Live |
| ENGIE ENERGY TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Huanan New Energy Technology (Hong Kong) Limited | | Live |
| ModelingTech Energy Technology (Hong Kong) Company Limited | Private company limited by shares | Live |
| Clean Energy Three (Hong Kong) Limited | Private company limited by shares | Live |
| Tonking New Energy (Hong Kong) Limited | Private company limited by shares | Live |