Indonesia Offshore Wind Installations Market Size, Share, Trends and Forecasts 2031

Key Findings

• The Indonesia Offshore Wind Installations Market is expanding rapidly due to accelerating global decarbonization targets and large-scale renewable energy investments.
• Offshore wind offers higher capacity factors and more consistent power generation compared to onshore wind installations.
• Government-backed offshore wind auctions and long-term power purchase agreements are driving project pipelines in Indonesia.
• Advancements in turbine size, foundation technology, and installation vessels are improving project economics and scalability.
• Floating offshore wind technology is unlocking deep-water deployment opportunities in Indonesia.
• Grid infrastructure expansion and offshore substations are becoming critical enablers for large-scale installations.
• Supply chain localization and port infrastructure development are strengthening regional offshore wind ecosystems.
• Strategic collaborations between utilities, OEMs, and EPC contractors are shaping market competitiveness in Indonesia.

Indonesia Offshore Wind Installations Market Size and Forecast

The Indonesia Offshore Wind Installations Market is projected to grow from USD 41.8 billion in 2025 to USD 118.6 billion by 2031, registering a CAGR of 18.9% during the forecast period. Market growth is driven by increasing offshore wind capacity additions, favorable policy frameworks, and rising electricity demand from clean sources. Offshore wind installations encompass turbine foundations, electrical infrastructure, installation vessels, and balance-of-plant activities. Larger turbines and economies of scale are reducing levelized cost of energy (LCOE), improving project viability. Expansion into deeper waters and emerging offshore wind markets is further strengthening demand. Continued technological advancement and regulatory support will sustain strong growth momentum across Indonesia.

Introduction

Offshore wind installations involve the construction and deployment of wind turbines and associated infrastructure in marine environments to generate renewable electricity. These installations include foundations, towers, nacelles, blades, subsea cables, offshore substations, and grid interconnections. In Indonesia, offshore wind is emerging as a cornerstone of renewable energy transition strategies due to its large-scale generation potential and reduced land-use constraints. Offshore wind farms benefit from stronger and more consistent wind resources, enabling higher capacity utilization. As turbine technology advances and installation expertise matures, offshore wind is becoming increasingly competitive with conventional power generation. The sector plays a vital role in meeting long-term energy security and climate goals in Indonesia.

Future Outlook

By 2031, the Indonesia Offshore Wind Installations Market is expected to witness substantial expansion supported by multi-gigawatt project pipelines and deeper market penetration. Floating wind platforms will enable deployment in deeper waters previously inaccessible to fixed-bottom turbines. Hybrid offshore energy hubs integrating wind, hydrogen production, and energy storage may emerge. Digitalization and predictive maintenance will enhance operational efficiency and asset longevity. Grid integration and cross-border interconnections will become more prominent. Overall, offshore wind installations will be a key pillar of sustainable energy infrastructure in Indonesia.

Indonesia Offshore Wind Installations Market Trends

• Rapid Increase in Large-Scale Offshore Wind Projects
  Indonesia is witnessing a surge in large-scale offshore wind projects exceeding gigawatt capacities. These projects benefit from economies of scale and standardized installation practices. Large offshore wind farms significantly contribute to national renewable targets. Developers are increasingly clustering projects to optimize grid and port infrastructure. Advanced project management techniques are improving execution timelines. This trend is driving sustained growth in installation activity.

• Advancements in Turbine Size and Installation Technology
  Offshore wind turbines in Indonesia are growing in size, with capacities exceeding 15 MW per unit. Larger turbines reduce the number of installations required, lowering overall project costs. Specialized installation vessels and cranes are enabling efficient deployment of massive components. Improved blade design and lightweight materials enhance performance. These advancements are reshaping offshore installation methodologies. Technology evolution remains a core trend.

• Growth of Floating Offshore Wind Installations
  Floating wind technology is gaining momentum in Indonesia, particularly in regions with deep coastal waters. Floating platforms expand site availability beyond shallow continental shelves. Pilot and demonstration projects are transitioning toward commercial-scale deployment. Floating installations reduce seabed impact and broaden geographic reach. Cost reduction through standardization is accelerating adoption. This trend is unlocking new offshore wind frontiers.

• Expansion of Offshore Grid and Subsea Cable Infrastructure
  Offshore wind growth is driving significant investment in subsea cables and offshore substations. Efficient grid connection is critical for transmitting power to onshore networks. High-voltage direct current (HVDC) systems are increasingly adopted for long-distance transmission. Grid integration challenges are prompting coordinated infrastructure planning. This trend highlights the importance of electrical installation expertise in offshore projects.

• Localization of Supply Chains and Port Infrastructure Development
  Governments and developers in Indonesia are investing in port upgrades and local manufacturing to support offshore wind installations. Localized supply chains reduce logistics costs and project risk. Ports are being adapted to handle large turbine components and installation vessels. Workforce development programs support skilled labor availability. Localization strengthens regional economic benefits. This trend enhances long-term market sustainability.

Market Growth Drivers

• Strong Government Policy Support and Renewable Energy Targets
  Governments in Indonesia are setting ambitious offshore wind capacity targets to meet climate commitments. Policy mechanisms such as auctions, subsidies, and feed-in tariffs support investment certainty. Long-term renewable targets drive project pipelines. Regulatory clarity reduces development risk. Policy support remains a primary growth driver.

• Rising Electricity Demand and Decarbonization Needs
  Increasing electricity demand from electrification and digitalization is driving offshore wind deployment. Offshore wind provides large-scale, low-carbon power generation. Decarbonization of power sectors requires rapid capacity additions. Offshore wind complements other renewable sources. This demand-driven factor strongly supports market growth.

• Improving Project Economics and Cost Reduction
  Technological advancements and scale efficiencies are lowering offshore wind costs in Indonesia. Larger turbines and optimized installation reduce LCOE. Improved financing structures lower capital costs. Competitive auctions are driving efficiency. Enhanced economics attract new investors. Cost reduction is a major growth catalyst.

• Availability of Vast Offshore Wind Resources
  Indonesia possesses significant offshore wind potential along its coastlines. Offshore sites offer higher wind speeds and capacity factors. Resource availability supports long-term project pipelines. Offshore wind reduces land-use conflicts. This natural advantage underpins market expansion.

• Private Sector Investment and Strategic Partnerships
  Utilities, oil & gas companies, and infrastructure investors are increasingly entering offshore wind. Strategic partnerships combine technical, financial, and operational expertise. Risk-sharing models improve project bankability. Private investment accelerates capacity deployment. Collaboration drives sustained growth.

Challenges in the Market

• High Capital Intensity and Long Development Timelines
  Offshore wind installations require significant upfront investment and extended development periods. High capital costs can delay project approvals. Financing large projects involves complex risk assessment. Long lead times increase exposure to policy and market changes. Capital intensity remains a key challenge.

• Complex Permitting and Environmental Assessment Processes
  Offshore projects must navigate complex permitting and environmental regulations in Indonesia. Marine ecosystem protection requirements add complexity. Lengthy approval processes can delay installations. Stakeholder engagement is critical. Regulatory complexity poses ongoing challenges.

• Grid Connection and Transmission Constraints
  Offshore wind expansion depends on timely grid infrastructure development. Delays in transmission projects can limit capacity integration. Coordinating offshore and onshore grid planning is challenging. High connection costs affect project economics. Grid readiness remains a constraint.

• Weather, Marine Conditions, and Installation Risks
  Offshore installations face harsh marine environments and unpredictable weather. Installation windows are limited, affecting schedules. Specialized vessels and skilled crews are required. Weather-related delays increase costs. Operational risk management is critical.

• Supply Chain Bottlenecks and Skilled Labor Shortages
  Rapid market expansion can strain supply chains for turbines, vessels, and components. Skilled workforce availability is limited in some regions of Indonesia. Manufacturing capacity constraints affect timelines. Workforce training and localization take time. Supply chain pressure remains a challenge.

Indonesia Offshore Wind Installations Market Segmentation

By Foundation Type

• Monopile

• Jacket

• Gravity-Based

• Floating

By Water Depth

• Shallow Water

• Transitional Water

• Deep Water

By Component

• Turbines

• Foundations

• Electrical Infrastructure

• Installation Vessels

• Balance of Plant

By Installation Type

• Fixed-Bottom Offshore Wind

• Floating Offshore Wind

Leading Key Players

• Ørsted

• Vestas

• Siemens Gamesa

• GE Vernova

• Equinor

• RWE

• BP

• Shell

• EDF Renewables

• Iberdrola

Recent Developments

• Ørsted advanced multi-gigawatt offshore wind installation projects supporting renewable targets in Indonesia.

• Siemens Gamesa introduced next-generation offshore turbines optimized for large-scale installations in Indonesia.

• Vestas expanded offshore wind installation capabilities through upgraded vessel partnerships in Indonesia.

• Equinor accelerated floating offshore wind deployments targeting deep-water sites in Indonesia.

• GE Vernova strengthened offshore wind project execution through advanced installation and grid solutions in Indonesia.

This Market Report Will Answer the Following Questions

1. What is the projected market size and CAGR of the Indonesia Offshore Wind Installations Market by 2031?

2. Which foundation and installation types are driving growth in Indonesia?

3. How is floating offshore wind influencing future deployment strategies?

4. What challenges affect large-scale offshore wind project execution?

5. Who are the key players shaping competition and innovation in this market?