Introduction
Under Japan’s Renewable Sea Area Utilization Act, the government has designated 12 key zones as “Promotion Areas” to accelerate offshore wind development. This article provides a full overview of the corresponding projects—from planned capacity and developer consortium to regional characteristics and project status.
If you wish to check the overview and latest progress of all projects designated as “Promotion Zones,” “Promising Zones,” and “Preparation Zones” under Japan’s Offshore Renewable Energy Act, please refer to the Japan Offshore Wind Project Map.
Promotion Zone Project Summaries
| Area | Capacity | Turbines | Technology | Details |
|---|---|---|---|---|
| Goto, Nagasaki | 16.8MW | 8 | Floating | Read more |
| Noshiro/Mitane/Oga, Akita | 494MW | 38 | Fixed-bottom | Read more |
| Yurihonjo, Akita | 845MW | 65 | Fixed-bottom | Read more |
| Choshi, Chiba | 403MW | 31 | Fixed-bottom | Read more |
| Happo/Noshiro, Akita | 375MW | 25 | Fixed-bottom | Read more |
| Oga/Katagami/Akita, Akita | 315MW | 21 | Fixed-bottom | Read more |
| Murakami/Tainai, Niigata | 684MW | 38 | Fixed‑bottom | Read more |
| Saikai/Enoshima, Nagasaki | 420MW | 28 | Fixed-bottom | Read more |
| Yusa, Yamagata | 450MW | 30 | Fixed-bottom | Read more |
| Tsugaru, Aomori | 615MW | 41 | Fixed-bottom | Read more |
| Hokkaido Hiyama | 910–1,140MW | 76 | Fixed-bottom | Read more |
| Hokkaido Matsumae | 315–320MW | 21 | Fixed-bottom | Read more |
If you wish to check the overview and latest progress of all projects designated as “Promotion Zones,” “Promising Zones,” and “Preparation Zones” under Japan’s Offshore Renewable Energy Act, please refer to the Japan Offshore Wind Project Map.
Weekly digest with actionable insights for investors, developers, and stakeholders in Japan’s offshore wind. 🎁 Welcome gift: Japan Offshore Wind: 2025 Market Outlook (PDF)📩 DeepWind Weekly
- 🔍Market Insights – Understand the latest trends and key topics in Japan’s offshore wind market
- 🏛️Policy & Regulations – Explore Japan’s legal frameworks, auction systems, and designated promotion zones.
- 🌊Projects – Get an overview of offshore wind projects across Japan’s coastal regions.
- 🛠️Technology & Innovation – Discover the latest technologies and innovations shaping Japan’s offshore wind sector.
- 💡Cost Analysis – Dive into Japan-specific LCOE insights and offshore wind cost structures.
