Japan Funds Floating Wind Installation R&D: Seven MLIT Projects, and the Vessel Question
Japan’s MLIT picked seven R&D projects for floating wind installation methods, mapping which bottlenecks stay pre-commercial and the vessel gap left open.
Track project progress and the ports, vessels, factories and supply chains needed to deliver offshore wind in Japan.
Start with the guide
Japan’s 12 Offshore Wind Promotion Zones: Project List and Status (2026)
Start with the promotion-zone project list and the conditions that determine whether projects advance.
Explore by question
How far have Round 2 and 3 projects progressed?
Check the selected developers and any schedule revisions, project by project.
What happens to the Round 1 sites?
Follow the sites left by the Round 1 withdrawal as they head for re-tender.
Where are projects in the pipeline?
Follow the promising and preparation zones that precede promotion-zone designation.
Can ports and supply chains support construction?
Examine multi-port construction and the supplier clusters built around operating projects.
Locate projects and their status
Use project locations and status to find detailed project profiles.
Open the project map →Latest analysis
Noshiro, Mitane and Oga Offshore Wind: Re-tender Status After the Round 1 Exit
Noshiro, Mitane and Oga offshore wind, Akita: the Round 1 developer exited in August 2025. Re-tender, council and EIA status, tracked monthly.
Saikai Enoshima Offshore Wind (420MW): Developer and Schedule
Saikai Enoshima offshore wind (420MW, JPY 22.18/kWh): Sumitomo and TEPCO Renewable Power. COD planned for August 2029. Schedule and EIA status, tracked monthly.
Murakami Tainai Offshore Wind (690MW): Developer and Schedule Review
Murakami Tainai offshore wind (690MW, JPY 3.0/kWh): Mitsui, RWE and Osaka Gas. Turbines changed to 46 x 15MW; COD under review.
Yuza Offshore Wind (450MW): Developer and Schedule
Yuza offshore wind (450MW, JPY 3.0/kWh): Marubeni, Kansai Electric, BP, Tokyo Gas and Marutaka. COD planned for June 2030; draft EIA report published July 2026.
Oga Katagami Akita Offshore Wind (315MW): Developer and Schedule
Oga Katagami Akita offshore wind (315MW, JPY 3.0/kWh): JERA, J-POWER, Tohoku Electric and ITOCHU. COD planned for June 2028. Schedule and EIA status.
Happo Noshiro Offshore Wind (375MW): Developer, Schedule and Postponed Onshore Works
Happo Noshiro offshore wind (375MW, JPY 3.0/kWh): ENEOS, Iberdrola and Tohoku Electric. Onshore works due January 2026 were postponed.
Tsugaru Offshore Wind (Aomori Japan Sea South, 615MW): Developer and Schedule
Tsugaru offshore wind (Aomori Japan Sea South, 615MW, JPY 3.0/kWh): JERA, GPI and Tohoku Electric. COD planned for June 2030. Schedule and EIA status.
Kujukuri Offshore Wind: Promising Zone Council and EIA Status
Kujukuri, Chiba is a Promising Zone. Its first council met on 15 December 2025; Eurus Energy and TEPCO RP have filed EIA documents.
Isumi Offshore Wind: Promising Zone Council and 8 EIA Filings
Isumi, Chiba was named a Promising Zone in 2021, with one council meeting in February 2022. Eight developers have filed EIA primary documents. Tracked monthly.