| In Operation | OwnerCangnan 4 | Development | Cangnan #4 offshore wind farm |
| In Operation | Operating sponsorHuaneng Dafeng | Operations Maintenance | Jiangsu Dafeng (Huaneng) operating offshore wind farm |
| In Operation | Project owner and operating sponsorHuaneng Dafeng | Development And Sponsor Context | Jiangsu Dafeng (Huaneng) Offshore wind farm phases 1 and capacity expansion |
| In Operation | Operating branchHuaneng Guanyun | Operations Maintenance | Jiangsu Guanyun (Huaneng) operating offshore wind farm |
| In Operation | Project owner and construction sponsorHuaneng Guanyun | Development And Sponsor Context | Jiangsu Guanyun (Huaneng) Offshore wind farm phase 1 |
| In Construction | Project owner for 220 kV offshore substation and onshore switching station scopeHuaneng Guanyun | Substation Electrical | One 220 kV offshore substation and one 220 kV onshore switching station |
| In Construction | Project owner for 220 kV submarine cable directional-crossing scopeHuaneng Guanyun | Cables | 220 kV submarine cable shore-crossing and export works |
| In Construction | Project owner for tidal-area foundation and seated-vessel construction methodsHuaneng Guanyun | Foundations | Guanyun turbine foundations in rotary-current tidal waters |
| In Operation | Project owner for two 110 kV offshore substationsHuaneng Rudong | Substation Electrical | Two 110 kV offshore substations under the project's large-island design |
| In Operation | Project owner for two 110 kV offshore substationsHuaneng Rudong | Substation Electrical | Two 110 kV offshore substations under the project's large-island design |
| In Operation | Operational management and performance referenceJiangsu Rudong H3 | Operations Maintenance | Huaneng Shengdong Rudong H3 operations and smart management platform |
| In Operation | Project company and operating leadJiangsu Rudong H3 | Development | Huaneng Shengdong Rudong H3 offshore wind project |
| In Operation | Named H1 operatorQidong H1 | Operations Maintenance | Jiangsu Qidong (Huawei) H1 Offshore wind farm |
| In Operation | 2021 offshore O&M vessel leasing procurement leadQidong H2 | Operations Maintenance | Qidong H1, H2 and H3 offshore wind farm O&M vessel services |
| In Operation | Named H2 operatorQidong H2 | Operations Maintenance | Jiangsu Qidong (Huawei) H2 Offshore wind farm |
| In Operation | Named H3 operatorQidong H3 | Operations Maintenance | Jiangsu Qidong (Huaruier) H3 Offshore wind farm |
| In Construction | Project development and technical scopeRuian | Development Context | Ruian 1 offshore wind project |
| In Operation | Developer and operator groupSheyang H1 | Development | Huaneng Sheyang H1 offshore wind farm |
| In Operation | Full-capacity grid connection and operations milestoneSheyang H1 | Operations Maintenance | Huaneng Sheyang H1 offshore wind farm |
| In Construction | Project investment referenceSheyang H1 | Finance Insurance Legal | Sheyang H1 project economics |
| In Operation | Owner · 100%Cangnan 2 | Ownership | Ownership relationship |
| In Operation | Owner · 100%Cangnan 4 | Ownership | Ownership relationship |
| In Operation | Owner · 98%Dalian Zhuanghe II | Ownership | Ownership relationship |
| In Operation | Owner · 82%Huaneng Guanyun | Ownership | Ownership relationship |
| In Operation | Indirect Parent · 20.01%Huaneng Rudong | Ownership | Huaneng Power International reported a 20.01% indirect economic interest in the Rudong Baxianjiao project company at 31 December 2025. This is distinct from its voting control over the company. |
| In Operation | Owner · 70%Huaneng Rudong | Ownership | Ownership relationship |
| Pre-Tender | Owner · 80%Huaneng Shandong | Ownership | Ownership relationship |
| In Operation | Owner · 79%Jiangsu Rudong H3 | Ownership | Ownership relationship |
| In Operation | Owner · 79%Jiangsu Rudong H3 | Ownership | Ownership relationship |
| In Operation | Owner · 20.02%Lemen 2 | Ownership | Huaneng Power International reported a 20.02% indirect economic interest in Huaneng Guangdong Shantou Offshore Wind Co., Ltd., with control exercised through its investment structure. |