Japan Offshore Wind Energy Market Size, Share, Trends and Forecast by Component, Foundation Type, Capacity, Location, and Region, 2026-2034

Description

The Japan offshore wind energy market size reached USD 965.75 Million in 2025 . Looking forward, IMARC Group expects the market to reach USD 2,645.22 Million by 2034 , exhibiting a growth rate (CAGR) of 11.85% during 2026-2034 . The market is driven by the expansion of offshore wind development into Japan's Exclusive Economic Zones following legislative reforms in 2024, which unlocked vast deepwater areas suitable for floating wind farms. Furthermore, successful completion of major auction rounds attracting both domestic and international players demonstrates strong market momentum, supporting the Japan offshore wind energy market share.

JAPAN OFFSHORE WIND ENERGY MARKET TRENDS:

Expansion of Offshore Wind Development into Exclusive Economic Zones

Japan is experiencing transformative growth in offshore wind capacity through legislative reforms that expand development opportunities beyond territorial waters into the country's Exclusive Economic Zones. In January 2024, the Japanese government approved a major legal reform amending the Act on Promoting the Utilization of Sea Areas for Development of Marine Renewable Energy Power Generation Facilities, allowing designation and tendering of offshore wind areas in the EEZ beyond the 22-kilometer territorial waters boundary. This legislative milestone is critically important because Japan's EEZ is approximately 12 times larger than its landmass and 10 times the size of its territorial sea, containing the vast majority of the nation's offshore wind potential estimated at over 400 GW for floating installations alone. The reform introduces a structured two-stage approval process modeled partly on UK practices, where developers first secure leasing rights for up to 30 years, then engage in stakeholder negotiations with local communities and fisheries before receiving final construction permits. This regulatory framework addresses Japan's unique geographic challenges, as the country's deep coastal waters and steep continental shelf make traditional fixed-bottom installations feasible only in limited nearshore areas. The EEZ expansion is particularly significant for floating offshore wind technology, which is essential for Japan to achieve its ambitious targets of 10 GW of offshore wind capacity by 2030 and 30-45 GW by 2040. Industry stakeholders, including the Global Wind Energy Council, welcomed this development as crucial for increasing Japan's energy autonomy and resilience while creating important global industrial opportunities.

Advancement of Floating Offshore Wind Technology Through Industry Collaboration

The Japan offshore wind energy market growth is being accelerated through unprecedented industry collaboration focused on floating offshore wind technology development. In March 2024, Japan launched the Floating Offshore Wind Technology Research Association, a specialized consortium of 14 founding companies that expanded to 21 members by July 2024, including major utilities JERA, Kansai Electric Power, Tokyo Gas, Tohoku Electric Power, and Marubeni Offshore Wind Development Corporation. FLOWRA's collaborative approach addresses fundamental challenges that individual developers cannot solve alone, including designing infrastructure capable of withstanding Japan's severe weather and sea conditions, developing adequate port infrastructure and supply chains, and navigating complex regulatory frameworks. The association has already established formal partnerships with overseas organizations including the U.S. Department of Energy, National Renewable Energy Laboratory, Bureau of Ocean Energy Management, and the UK's Offshore Renewable Energy Catapult, facilitating technology transfer and knowledge exchange. Concurrently, Japanese energy companies are making strategic international investments to gain operational expertise in floating wind technology. In August 2024, Tokyo Gas acquired a 21.2 percent stake in Portugal's WindFloat Atlantic floating offshore wind farm, marking the company's first direct investment in an overseas floating wind project. This strategic investment allows Tokyo Gas to gain practical experience with floating wind operations and maintenance that can be applied to Japan's domestic market development. These collaborative initiatives reflect recognition across Japan's energy sector that floating offshore wind represents a critical technology for the nation's energy transition.

JAPAN OFFSHORE WIND ENERGY MARKET SEGMENTATION:

Component Insights:

Turbine
Substructure
Electrical Infrastructure
Others

Foundation Type Insights:

Fixed Foundation
Floating Foundation

Capacity Insights:

Less Than 5 MW
Greater than or Equal to 5 MW

Location Insights:

Shallow Water
Transitional Water
Deep Water

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 energy market performed so far and how will it perform in the coming years?
What is the breakup of the Japan offshore wind energy market on the basis of component?
What is the breakup of the Japan offshore wind energy market on the basis of foundation type?
What is the breakup of the Japan offshore wind energy market on the basis of capacity?
What is the breakup of the Japan offshore wind energy market on the basis of location?
What is the breakup of the Japan offshore wind energy market on the basis of region?
What are the various stages in the value chain of the Japan offshore wind energy market?
What are the key driving factors and challenges in the Japan offshore wind energy market?
What is the structure of the Japan offshore wind energy market and who are the key players?
What is the degree of competition in the Japan offshore wind energy market?

Product Code: SR112026A44081

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 Energy Market - Introduction

4.1 Overview
4.2 Market Dynamics
4.3 Industry Trends
4.4 Competitive Intelligence

5 Japan Offshore Wind Energy Market Landscape

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

6 Japan Offshore Wind Energy Market - Breakup by Component

6.1 Turbine
- 6.1.1 Overview
- 6.1.2 Historical and Current Market Trends (2020-2025)
- 6.1.3 Market Forecast (2026-2034)
6.2 Substructure
- 6.2.1 Overview
- 6.2.2 Historical and Current Market Trends (2020-2025)
- 6.2.3 Market Forecast (2026-2034)
6.3 Electrical Infrastructure
- 6.3.1 Overview
- 6.3.2 Historical and Current Market Trends (2020-2025)
- 6.3.3 Market Forecast (2026-2034)
6.4 Others
- 6.4.1 Historical and Current Market Trends (2020-2025)
- 6.4.2 Market Forecast (2026-2034)

7 Japan Offshore Wind Energy Market - Breakup by Foundation Type

7.1 Fixed Foundation
- 7.1.1 Overview
- 7.1.2 Historical and Current Market Trends (2020-2025)
- 7.1.3 Market Forecast (2026-2034)
7.2 Floating Foundation
- 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 Energy Market - Breakup by Capacity

8.1 Less Than 5 MW
- 8.1.1 Overview
- 8.1.2 Historical and Current Market Trends (2020-2025)
- 8.1.3 Market Forecast (2026-2034)
8.2 Greater than or Equal to 5 MW
- 8.2.1 Overview
- 8.2.2 Historical and Current Market Trends (2020-2025)
- 8.2.3 Market Forecast (2026-2034)

9 Japan Offshore Wind Energy Market - Breakup by Location

9.1 Shallow Water
- 9.1.1 Overview
- 9.1.2 Historical and Current Market Trends (2020-2025)
- 9.1.3 Market Forecast (2026-2034)
9.2 Transitional Water
- 9.2.1 Overview
- 9.2.2 Historical and Current Market Trends (2020-2025)
- 9.2.3 Market Forecast (2026-2034)
9.3 Deep Water
- 9.3.1 Overview
- 9.3.2 Historical and Current Market Trends (2020-2025)
- 9.3.3 Market Forecast (2026-2034)

10 Japan Offshore Wind Energy Market - Breakup by Region

10.1 Kanto Region
- 10.1.1 Overview
- 10.1.2 Historical and Current Market Trends (2020-2025)
- 10.1.3 Market Breakup by Component
- 10.1.4 Market Breakup by Foundation Type
- 10.1.5 Market Breakup by Capacity
- 10.1.6 Market Breakup by Location
- 10.1.7 Key Players
- 10.1.8 Market Forecast (2026-2034)
10.2 Kansai/Kinki Region
- 10.2.1 Overview
- 10.2.2 Historical and Current Market Trends (2020-2025)
- 10.2.3 Market Breakup by Component
- 10.2.4 Market Breakup by Foundation Type
- 10.2.5 Market Breakup by Capacity
- 10.2.6 Market Breakup by Location
- 10.2.7 Key Players
- 10.2.8 Market Forecast (2026-2034)
10.3 Central/Chubu Region
- 10.3.1 Overview
- 10.3.2 Historical and Current Market Trends (2020-2025)
- 10.3.3 Market Breakup by Component
- 10.3.4 Market Breakup by Foundation Type
- 10.3.5 Market Breakup by Capacity
- 10.3.6 Market Breakup by Location
- 10.3.7 Key Players
- 10.3.8 Market Forecast (2026-2034)
10.4 Kyushu-Okinawa Region
- 10.4.1 Overview
- 10.4.2 Historical and Current Market Trends (2020-2025)
- 10.4.3 Market Breakup by Component
- 10.4.4 Market Breakup by Foundation Type
- 10.4.5 Market Breakup by Capacity
- 10.4.6 Market Breakup by Location
- 10.4.7 Key Players
- 10.4.8 Market Forecast (2026-2034)
10.5 Tohoku Region
- 10.5.1 Overview
- 10.5.2 Historical and Current Market Trends (2020-2025)
- 10.5.3 Market Breakup by Component
- 10.5.4 Market Breakup by Foundation Type
- 10.5.5 Market Breakup by Capacity
- 10.5.6 Market Breakup by Location
- 10.5.7 Key Players
- 10.5.8 Market Forecast (2026-2034)
10.6 Chugoku Region
- 10.6.1 Overview
- 10.6.2 Historical and Current Market Trends (2020-2025)
- 10.6.3 Market Breakup by Component
- 10.6.4 Market Breakup by Foundation Type
- 10.6.5 Market Breakup by Capacity
- 10.6.6 Market Breakup by Location
- 10.6.7 Key Players
- 10.6.8 Market Forecast (2026-2034)
10.7 Hokkaido Region
- 10.7.1 Overview
- 10.7.2 Historical and Current Market Trends (2020-2025)
- 10.7.3 Market Breakup by Component
- 10.7.4 Market Breakup by Foundation Type
- 10.7.5 Market Breakup by Capacity
- 10.7.6 Market Breakup by Location
- 10.7.7 Key Players
- 10.7.8 Market Forecast (2026-2034)
10.8 Shikoku Region
- 10.8.1 Overview
- 10.8.2 Historical and Current Market Trends (2020-2025)
- 10.8.3 Market Breakup by Component
- 10.8.4 Market Breakup by Foundation Type
- 10.8.5 Market Breakup by Capacity
- 10.8.6 Market Breakup by Location
- 10.8.7 Key Players
- 10.8.8 Market Forecast (2026-2034)

11 Japan Offshore Wind Energy Market - Competitive Landscape

11.1 Overview
11.2 Market Structure
11.3 Market Player Positioning
11.4 Top Winning Strategies
11.5 Competitive Dashboard
11.6 Company Evaluation Quadrant

12 Profiles of Key Players

12.1 Company A
- 12.1.1 Business Overview
- 12.1.2 Services Offered
- 12.1.3 Business Strategies
- 12.1.4 SWOT Analysis
- 12.1.5 Major News and Events
12.2 Company B
- 12.2.1 Business Overview
- 12.2.2 Services Offered
- 12.2.3 Business Strategies
- 12.2.4 SWOT Analysis
- 12.2.5 Major News and Events
12.3 Company C
- 12.3.1 Business Overview
- 12.3.2 Services Offered
- 12.3.3 Business Strategies
- 12.3.4 SWOT Analysis
- 12.3.5 Major News and Events
12.4 Company D
- 12.4.1 Business Overview
- 12.4.2 Services Offered
- 12.4.3 Business Strategies
- 12.4.4 SWOT Analysis
- 12.4.5 Major News and Events
12.5 Company E
- 12.5.1 Business Overview
- 12.5.2 Services Offered
- 12.5.3 Business Strategies
- 12.5.4 SWOT Analysis
- 12.5.5 Major News and Events

13 Japan Offshore Wind Energy Market - Industry Analysis

13.1 Drivers, Restraints, and Opportunities
- 13.1.1 Overview
- 13.1.2 Drivers
- 13.1.3 Restraints
- 13.1.4 Opportunities
13.2 Porters Five Forces Analysis
- 13.2.1 Overview
- 13.2.2 Bargaining Power of Buyers
- 13.2.3 Bargaining Power of Suppliers
- 13.2.4 Degree of Competition
- 13.2.5 Threat of New Entrants
- 13.2.6 Threat of Substitutes
13.3 Value Chain Analysis