Japan Offshore Wind Power Market Size, Share, Trends and Forecast by Installation, Water Depth, Capacity, and Region, 2026-2034

Description

The Japan offshore wind power market size reached USD 2.4 Billion in 2025. Looking forward, IMARC Group expects the market to reach USD 10.4 Billion by 2034, exhibiting a growth rate (CAGR) of 17.98% during 2026-2034. Government targets for carbon neutrality, favorable wind conditions, declining technology costs, energy security concerns, and policy support through feed-in tariffs and auctions are some of the factors contributing to Japan offshore wind power market share. Coastal geography and industrial innovation also encourage offshore wind energy expansion.

JAPAN OFFSHORE WIND POWER MARKET TRENDS:

Macroeconomic Pressures Prompting Project Reassessment

Offshore wind initiatives in Japan are undergoing strategic realignment due to rising inflation, a weaker yen, elevated interest rates, and ongoing supply chain disruptions. Development plans are being re-evaluated in response to these financial and logistical challenges. Despite these pressures, progress continues, reflecting the sector's vital role in supporting the country's energy security and decarbonization goals. Stakeholders are adjusting business frameworks and investment approaches to navigate the current environment while maintaining momentum in clean energy expansion. Offshore wind remains a priority in the national agenda, and current efforts aim to balance immediate economic realities with long-term renewable power ambitions. This period marks a recalibration phase rather than a retreat from development. These factors are intensifying the Japan offshore wind power market growth. For example, in February 2025, Mitsubishi Corporation reviewed its offshore wind power projects in Akita and Chiba due to macroeconomic shifts, including inflation, yen depreciation, supply chain constraints, and rising interest rates. Selected in 2021, the projects span Noshiro, Mitane, Oga, Yurihonjo, and Choshi. Mitsubishi continues development efforts while reassessing business plans to determine next steps. Offshore wind remains central to Japan's energy stability and carbon neutrality goals.

Scaling Up Floating Wind Innovation

Japan is advancing its floating offshore wind capabilities through a new initiative off the southern coast of Akita. Supported by government funding, the project focuses on installing high-capacity turbines using modular semisubmersible platforms. It incorporates optimized mooring systems, synchronized vessel operations, and digital twin technology for continuous performance monitoring. The initiative serves as a demonstration effort aimed at reducing costs and building a foundation for broader deployment of floating wind infrastructure. By combining engineering innovation with real-time digital oversight, the project is designed to strengthen Japan's ability to utilize deeper offshore areas for renewable energy. This move reflects the country's ongoing efforts to expand clean power sources and increase energy resilience. For instance, in October 2024, Japan launched a major offshore wind initiative near southern Akita. Led by Marubeni and Japan Marine United, the project would install two 15+ MW floating turbines by 2029. Backed by government funding, it emphasizes cost reduction via modular semisubmersible structures, optimized mooring, digital twin monitoring, and synchronized vessel operations. The demonstration will run until March 2031, aiming to scale Japan's floating wind capabilities efficiently.

JAPAN OFFSHORE WIND POWER MARKET SEGMENTATION:

Installation Insights:

Fixed Structure
Floating Structure

Water Depth Insights:

Up to 30m
Above 30m

Capacity Insights:

Up to 3MW
3MW to 5MW
Above 5MW

Regional Insights:

Kanto Region
Kansai/Kinki Region
Central/Chubu Region
Kyushu-Okinawa Region
Tohoku Region
Chugoku Region
Hokkaido Region
Shikoku Region
The report has also provided a comprehensive analysis of all the major regional markets, which include Kanto region, Kansai/Kinki region, Central/Chubu region, Kyushu-Okinawa region, Tohoku region, Chugoku region, Hokkaido region, and Shikoku region.

COMPETITIVE LANDSCAPE:

The market research report has also provided a comprehensive analysis of the competitive landscape. Competitive analysis such as market structure, key player positioning, top winning strategies, competitive dashboard, and company evaluation quadrant has been covered in the report. Also, detailed profiles of all major companies have been provided.

KEY QUESTIONS ANSWERED IN THIS REPORT

How has the Japan offshore wind power market performed so far and how will it perform in the coming years?
What is the breakup of the Japan offshore wind power market on the basis of installation?
What is the breakup of the Japan offshore wind power market on the basis of water depth?
What is the breakup of the Japan offshore wind power market on the basis of capacity?
What is the breakup of the Japan offshore wind power market on the basis of region?
What are the various stages in the value chain of the Japan offshore wind power market?
What are the key driving factors and challenges in the Japan offshore wind power market?
What is the structure of the Japan offshore wind power market and who are the key players?
What is the degree of competition in the Japan offshore wind power market?

Product Code: SR112026A34210

1 Preface

2 Scope and Methodology

2.1 Objectives of the Study
2.2 Stakeholders
2.3 Data Sources
- 2.3.1 Primary Sources
- 2.3.2 Secondary Sources
2.4 Market Estimation
- 2.4.1 Bottom-Up Approach
- 2.4.2 Top-Down Approach
2.5 Forecasting Methodology

3 Executive Summary

4 Japan Offshore Wind Power Market - Introduction

4.1 Overview
4.2 Market Dynamics
4.3 Industry Trends
4.4 Competitive Intelligence

5 Japan Offshore Wind Power Market Landscape

5.1 Historical and Current Market Trends (2020-2025)
5.2 Market Forecast (2026-2034)

6 Japan Offshore Wind Power Market - Breakup by Installation

6.1 Fixed Structure
- 6.1.1 Overview
- 6.1.2 Historical and Current Market Trends (2020-2025)
- 6.1.3 Market Forecast (2026-2034)
6.2 Floating Structure
- 6.2.1 Overview
- 6.2.2 Historical and Current Market Trends (2020-2025)
- 6.2.3 Market Forecast (2026-2034)

7 Japan Offshore Wind Power Market - Breakup by Water Depth

7.1 Up to 30m
- 7.1.1 Overview
- 7.1.2 Historical and Current Market Trends (2020-2025)
- 7.1.3 Market Forecast (2026-2034)
7.2 Above 30m
- 7.2.1 Overview
- 7.2.2 Historical and Current Market Trends (2020-2025)
- 7.2.3 Market Forecast (2026-2034)

8 Japan Offshore Wind Power Market - Breakup by Capacity

8.1 Up to 3MW
- 8.1.1 Overview
- 8.1.2 Historical and Current Market Trends (2020-2025)
- 8.1.3 Market Forecast (2026-2034)
8.2 3MW to 5MW
- 8.2.1 Overview
- 8.2.2 Historical and Current Market Trends (2020-2025)
- 8.2.3 Market Forecast (2026-2034)
8.3 Above 5MW
- 8.3.1 Overview
- 8.3.2 Historical and Current Market Trends (2020-2025)
- 8.3.3 Market Forecast (2026-2034)

9 Japan Offshore Wind Power Market - Breakup by Region

9.1 Kanto Region
- 9.1.1 Overview
- 9.1.2 Historical and Current Market Trends (2020-2025)
- 9.1.3 Market Breakup by Installation
- 9.1.4 Market Breakup by Water Depth
- 9.1.5 Market Breakup by Capacity
- 9.1.6 Key Players
- 9.1.7 Market Forecast (2026-2034)
9.2 Kansai/Kinki Region
- 9.2.1 Overview
- 9.2.2 Historical and Current Market Trends (2020-2025)
- 9.2.3 Market Breakup by Installation
- 9.2.4 Market Breakup by Water Depth
- 9.2.5 Market Breakup by Capacity
- 9.2.6 Key Players
- 9.2.7 Market Forecast (2026-2034)
9.3 Central/ Chubu Region
- 9.3.1 Overview
- 9.3.2 Historical and Current Market Trends (2020-2025)
- 9.3.3 Market Breakup by Installation
- 9.3.4 Market Breakup by Water Depth
- 9.3.5 Market Breakup by Capacity
- 9.3.6 Key Players
- 9.3.7 Market Forecast (2026-2034)
9.4 Kyushu-Okinawa Region
- 9.4.1 Overview
- 9.4.2 Historical and Current Market Trends (2020-2025)
- 9.4.3 Market Breakup by Installation
- 9.4.4 Market Breakup by Water Depth
- 9.4.5 Market Breakup by Capacity
- 9.4.6 Key Players
- 9.4.7 Market Forecast (2026-2034)
9.5 Tohoku Region
- 9.5.1 Overview
- 9.5.2 Historical and Current Market Trends (2020-2025)
- 9.5.3 Market Breakup by Installation
- 9.5.4 Market Breakup by Water Depth
- 9.5.5 Market Breakup by Capacity
- 9.5.6 Key Players
- 9.5.7 Market Forecast (2026-2034)
9.6 Chugoku Region
- 9.6.1 Overview
- 9.6.2 Historical and Current Market Trends (2020-2025)
- 9.6.3 Market Breakup by Installation
- 9.6.4 Market Breakup by Water Depth
- 9.6.5 Market Breakup by Capacity
- 9.6.6 Key Players
- 9.6.7 Market Forecast (2026-2034)
9.7 Hokkaido Region
- 9.7.1 Overview
- 9.7.2 Historical and Current Market Trends (2020-2025)
- 9.7.3 Market Breakup by Installation
- 9.7.4 Market Breakup by Water Depth
- 9.7.5 Market Breakup by Capacity
- 9.7.6 Key Players
- 9.7.7 Market Forecast (2026-2034)
9.8 Shikoku Region
- 9.8.1 Overview
- 9.8.2 Historical and Current Market Trends (2020-2025)
- 9.8.3 Market Breakup by Installation
- 9.8.4 Market Breakup by Water Depth
- 9.8.5 Market Breakup by Capacity
- 9.8.6 Key Players
- 9.8.7 Market Forecast (2026-2034)

10 Japan Offshore Wind Power Market - Competitive Landscape

10.1 Overview
10.2 Market Structure
10.3 Market Player Positioning
10.4 Top Winning Strategies
10.5 Competitive Dashboard
10.6 Company Evaluation Quadrant

11 Profiles of Key Players

11.1 Company A
- 11.1.1 Business Overview
- 11.1.2 Services Offered
- 11.1.3 Business Strategies
- 11.1.4 SWOT Analysis
- 11.1.5 Major News and Events
11.2 Company B
- 11.2.1 Business Overview
- 11.2.2 Services Offered
- 11.2.3 Business Strategies
- 11.2.4 SWOT Analysis
- 11.2.5 Major News and Events
11.3 Company C
- 11.3.1 Business Overview
- 11.3.2 Services Offered
- 11.3.3 Business Strategies
- 11.3.4 SWOT Analysis
- 11.3.5 Major News and Events
11.4 Company D
- 11.4.1 Business Overview
- 11.4.2 Services Offered
- 11.4.3 Business Strategies
- 11.4.4 SWOT Analysis
- 11.4.5 Major News and Events
11.5 Company E
- 11.5.1 Business Overview
- 11.5.2 Services Offered
- 11.5.3 Business Strategies
- 11.5.4 SWOT Analysis
- 11.5.5 Major News and Events

12 Japan Offshore Wind Power Market - Industry Analysis

12.1 Drivers, Restraints, and Opportunities
- 12.1.1 Overview
- 12.1.2 Drivers
- 12.1.3 Restraints
- 12.1.4 Opportunities
12.2 Porters Five Forces Analysis
- 12.2.1 Overview
- 12.2.2 Bargaining Power of Buyers
- 12.2.3 Bargaining Power of Suppliers
- 12.2.4 Degree of Competition
- 12.2.5 Threat of New Entrants
- 12.2.6 Threat of Substitutes
12.3 Value Chain Analysis