This article introduces a project overview of the Akita City Offshore Wind, which has been designated as a “Promising Zone” under Japan’s Act on Promoting the Utilization of Sea Areas for the Development of Marine Renewable Energy as of October 2025.
The information will be updated as new details become available based on publicly accessible sources.
Other “Promising Zones” can be found in Japan’s Offshore Wind “Promising Zone” Projects — Candidate Areas for Auctions.
1. Project Overview
| Project name | TBD |
| Developer | Cosmo Eco Power isunder consideration |
| Consortium Members | TBD |
| Location | Offshore Akita city, (Akita) |
| Type | Fixed-bottom offshore wind power |
| WTG | TBD |
| Supply price | TBD |
| Capacity | Approx. 370 MW |
| Start of Construction | TBD |
| Operation Period | TBD |
2. Location
2-1. Sea & Geographical Features
2-2. Port Infrastructure & Grid Connection
3. Consortium Members
4. Project Implementation Structure
5. Project Schedule
5-1. Overall schedule
5-2. EIA status
| Prefecture | Project name | Developer | EIA Stage | Project Scale | Last updated |
|---|---|---|---|---|---|
| Akita | (Tentative name) Offshore Wind Power Project off Akita City | Cosmo Eco Power Co., Ltd. | Scoping Document | Total output: up to 525 MW Turbine capacity: 15–20 MW per unit Number of turbines: approx. 27–35 units | March 25, 2025 |
6. CAPEX/OPEX Estimates
Summary
Other “Promising Zones” can be found in Japan’s Offshore Wind “Promising Zone” Projects — Candidate Areas for Auctions.
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.
