| Planned | National offshore wind demonstration sponsorChoshi Offshore | Development | Choshi bottom-fixed offshore wind power generation demonstration |
| In Construction | Wind measurement and geotechnical survey support agencyKita Kyushu Port Hibikinada | Survey Inspection | Wind measurements and geotechnical surveys |
| Decommissioned | Hybrid-gravity jacket foundation referenceKitakyushu | Foundation And Technology Reference | Kitakyushu bottom-fixed demonstration turbine foundation |
| Decommissioned | Joint research project sponsor and developerKitakyushu | Development | Kitakyushu Offshore Demonstration Project |
| Decommissioned | Joint demonstration research partnerKitakyushu | Research And Monitoring | Kitakyushu fixed-bottom offshore wind demonstrator |
| In Operation | Demonstration sponsor and original ownerKitakyushu NEDO floating demonstration | Development | 3 MW Hibiki barge-type floating offshore wind power generation system |
| Decommissioned | Decommissioned staging-row consolidation warningKitakyushu Offshore Demonstration Project | Status Warning | Three Kitakyushu decommissioned staging rows |
| Decommissioned | Hybrid-gravity jacket foundation referenceKitakyushu Offshore Demonstration Project | Foundation And Technology Reference | Kitakyushu bottom-fixed demonstration turbine foundation |
| Decommissioned | Joint research project sponsor and developerKitakyushu Offshore Demonstration Project | Development | Kitakyushu Offshore Demonstration Project |
| Decommissioned | Hybrid gravity foundation research programmeKitakyushu Offshore Demonstration Project | Foundation And Technology Reference | Kitakyushu bottom-fixed demonstration turbine foundation |
| Decommissioned | Joint research project sponsor and developerKitakyushu Offshore Demonstration Project | Development | Kitakyushu Offshore Demonstration Project |
| Planned | Green Innovation Fund programme sponsorMODEC TLP | Other | TLP floating and mooring, mooring-foundation and subsea-transmission technology development |
| In Construction | Demonstration project funding supporterSetana Offshore | Funding And Programme | Japan's first offshore wind power station at Setana |
| Consented | Green Innovation Fund project sponsorSouthern Akita Floating Demonstration | Other | Floating Offshore Wind Power Demonstration Project Phase 2 |