Floating offshore wind remains in its early commercial stage, with only 294 MW of operational capacity worldwide as of early 2026. By comparison, the global pipeline is expected to reach 2.3 GW of operational floating wind capacity by 2030. Notably, the world's largest operational floating wind farm, Hywind Tampen in Norway, has a capacity of just 88 MW, underscoring how the industry is still transitioning toward utility-scale deployment.

The largest upcoming floating offshore wind projects include Ossian Floating Offshore Wind (3.6 GW), MarramWind Floating Offshore Wind (3 GW), HyMed Floating Offshore Wind (3.2 GW), Nortada Floating Offshore Wind (2 GW), Arven Floating Offshore Wind (1.8 GW), Bellrock Offshore Wind Farm (1.8 GW), and Haewoori Floating Offshore Wind (1.5 GW) are concentrated in Europe and Asia, where governments are investing heavily in deep-water renewable energy. Leading developments.

This article highlights some of the largest upcoming floating offshore wind projects worldwide, examining their capacities, technical specifications, development status, and key contractors.

List of Top 7 New Largest Floating Offshore Wind Farm Projects in the World 2026 (according to capacity)

Ossian Floating Offshore Wind Farm

The Ossian wind project is a proposed 3.6 GW floating offshore wind farm located approximately 84 km off the east coast of Scotland in the Firth of Forth. Developed by SSE Renewables (40%), Marubeni Corporation (30%), and Copenhagen Infrastructure Partners (30%), it is expected to become one of the world's largest floating offshore wind projects. 

Once operational, the project could generate enough electricity to power up to 6 million homes and avoid approximately 7.5 million tonnes of CO₂ emissions annually. The project is also set to become one of the largest offshore wind projects in Scotland.

Technical Specifications

The project occupies an 858 km² lease area awarded through the ScotWind leasing round and is located in average water depths of around 72 m, making it suitable for floating wind turbine technology. Electricity generated by the wind farm will be exported to the UK grid through a transmission connection in Scotland.

Key contractors:

Current Status

As of mid-2026, Ossian is in the permitting and pre-construction stage. The offshore consent application was submitted in 2024, following extensive environmental, geophysical, and wind resource surveys. The project is progressing through the planning and consenting process, with construction dependent on obtaining regulatory approvals, reaching a final investment decision, and securing commercial arrangements. First power is targeted before 2030.

MarramWind Floating Wind Farm

MarramWind is a proposed 3.0 GW floating offshore wind farm located 75–110 km off the northeast coast of Aberdeenshire, Scotland. The project is being developed by ScottishPower Renewables following its success in the ScotWind Leasing Round in 2022. 

The site is designed for floating wind technology with average water depths of 111 m, and is expected to generate enough renewable electricity to power the equivalent of more than 3.5 million homes.

Technical Specifications

The project will be developed in two 1.5 GW phases, with electricity exported through two grid connection points. The design includes 126–225 floating wind turbines rated at 14–25 MW each, with hub heights of 142–182 m and rotor diameters of 236–326 m. 

Various floating foundation concepts, including semi-submersible, barge, and tension-leg platform (TLP) designs, are under consideration. The offshore electrical system will include 530–680 km of array cables, up to 45 subsea distribution centres, and up to four offshore substations.

Key contractors:

Current Status

As of mid-2026, MarramWind is in the consenting stage. Offshore consent and Environmental Impact Assessment (EIA) applications have been submitted to the Scottish Government's Marine Directorate, while the associated onshore planning application has been submitted to Aberdeenshire Council. Public consultation on the applications concluded in March 2026.

HyMed Floating Offshore Wind Farm

HyMed is a proposed 3.2 GW floating offshore wind and green hydrogen project planned for the ultra-deep waters of the Mediterranean Sea off the coast of Italy. Jointly developed by Aquaterra Energy and Seawind Ocean Technology, it is one of the world's largest integrated floating offshore wind and green hydrogen developments. 

The project aims to generate 3.2 GW of renewable electricity, with more than 1 GW dedicated to the production of green hydrogen. Once completed, Hymed will become one of the largest wind farm projects in Italy.

Technical Specifications

HyMed will utilize Seawind Ocean Technology's proprietary floating wind turbine platform, designed for deployment in ultra-deep Mediterranean waters. The offshore wind farm will directly power over 1 GW of electrolyzers to produce green hydrogen offshore. The hydrogen will be transported to onshore and international markets through pipelines or specialized transport vessels, creating an integrated renewable power and hydrogen supply chain.

Current Status

As of mid-2026, HyMed is in the planning and permitting phase. Environmental Impact Assessments (EIAs) and grid connection approvals are underway. The developers continue to advance project permitting and engineering activities, with the project intended to support large-scale renewable electricity and green hydrogen production in the Mediterranean region.

Nortada Floating Offshore Wind Project

Nortada is a proposed 2 GW floating offshore wind project located in the Atlantic Ocean off Figueira da Foz, Portugal. The project is being developed by Copenhagen Offshore Partners (COP) on behalf of Copenhagen Infrastructure Partners (CIP) and is expected to be one of Portugal's largest floating offshore wind developments. 

As part of Portugal's offshore renewable energy strategy, Nortada is also envisioned as a hybrid energy project, integrating offshore wind with solar generation and large-scale energy storage.

Technical Specifications

The project will have a planned installed capacity of 2,000 MW using floating offshore foundations, enabling deployment in the deep waters of Portugal's Atlantic coast where bottom-fixed turbines are not technically feasible. 

The project is expected to occupy part of the Figueira da Foz offshore zone, which has a planned offshore wind capacity of 4 GW. The total investment is estimated at approximately EUR 8 billion.

Current Status

As of mid-2026, Nortada is in the early planning/pre-construction stage. Project progress depends on Portugal's first offshore wind leasing auction, through which seabed rights and grid connections will be allocated. 

COP has established a local office in Porto to support project development, permitting, stakeholder engagement, and participation in the upcoming tender process. Construction is expected to proceed following lease awards and regulatory approvals, with commissioning currently targeted around 2032.

Arven Floating Offshore Wind Farm

Arven is a 1.8 GW floating offshore wind project located to the east of the Shetland Islands, Scotland. Originally awarded through the ScotWind leasing round in 2022 as a joint development by Ocean Winds and Mainstream Renewable Power, the project was designed to comprise two phases: Arven North (1.8 GW) and Arven South (500 MW). 

The wind farm is expected to generate enough renewable electricity to power the equivalent of around 2 million homes annually while reducing carbon emissions by approximately 3 million tonnes per year. Commercial operation is targeted for the mid-2030s.

Technical Specifications

The project is planned as a floating offshore wind development in deep waters east of Shetland. Following a strategic review in 2026, the 500 MW Arven South lease was relinquished due to grid connection constraints, transmission charging concerns, and consenting challenges. The 1.8 GW Arven North project remains under development and continues to progress through environmental assessments, planning activities, and stakeholder engagement.

Key Contractors

Current Status

As of mid-2026, Arven North is in the pre-construction/planning stage, with offshore scoping completed and further planning and environmental work ongoing. Arven South has been terminated, with its seabed lease returned to Crown Estate Scotland because of commercial and regulatory challenges, including the absence of a viable grid connection.

Bellrock Offshore Wind Farm

Bellrock is a proposed floating offshore wind farm located in the North Sea, approximately 120 km east of Stonehaven, Scotland. The project is being developed by Nadara and is designed to deliver an installed capacity of up to 1.8 GW, enough to power more than 1.7 million homes. 

Once completed, Bellrock is expected to make a significant contribution to Scotland's offshore wind capacity while supporting the domestic supply chain and employment.

Technical Specifications

The project will have an installed capacity of 1.8 GW, using floating wind turbine foundations in water depths of 60-105 m. The proposed development will occupy an area of approximately 280 km² and include up to 132 floating wind turbines, subsea array cables, floating foundations with mooring and anchoring systems, offshore cable hubs, and an offshore grid connection located around 60 km east of Stonehaven.

Key Contractors

Current Status

As of mid-2026, Bellrock is in the consenting stage. In April 2026, the developers submitted the project's Environmental Impact Assessment (EIA) and offshore consent applications. Subject to regulatory approvals, construction is expected to begin in the early 2030s. The project is projected to contribute over GBP 1.5 billion to the Scottish supply chain and support up to 2,500 jobs in Scotland during peak construction.

Haewoori Floating Offshore Wind Farm

Haewoori is a 1.5 GW floating offshore wind project located approximately 80 km offshore from Ulsan, South Korea. Developed by Copenhagen Infrastructure Partners (CIP) and managed by Copenhagen Offshore Partners (COP), the project is one of the world's largest floating offshore wind developments. It is being developed in three 500 MW phases (Haewoori 1, 2, and 3) and is expected to play a key role in South Korea's offshore wind expansion.

Technical Specifications

The project will utilize Principle Power's WindFloat semi-submersible floating foundation technology, designed for deep-water deployment. Front-End Engineering Design (FEED) has been completed by Aker Solutions and Principle Power, covering the floating platforms, mooring systems, and turbine integration. 

The offshore electrical network will include 66 kV inter-array cables, dynamic export cables, and a high-voltage subsea transmission system connected to KEPCO's onshore grid through a secured Transmission Service Agreement (TSA). The project will be implemented across three 500 MW phases using next-generation offshore wind turbines.

Key Contractors:

Current Status

As of mid-2026, Haewoori is in the advanced pre-construction stage. The project has secured all required Electric Business Licenses (EBLs), completed the Environmental Impact Assessment (EIA) process, and received approval for the Marine Traffic Safety Assessment (MTSA) from South Korea's Ministry of Oceans and Fisheries. 

FEED activities have been completed, dynamic cable procurement has commenced, and the project is actively participating in South Korea's renewable energy auction process ahead of financial close and construction.

Conclusion

Floating offshore wind is rapidly progressing from small-scale demonstration projects toward multi-gigawatt commercial developments, although the sector remains at an early stage of deployment. With just 294 MW of installed floating wind capacity globally but a rapidly expanding development pipeline, projects such as Ossian, MarramWind, HyMed, Nortada, Arven, Bellrock, and Haewoori represent the next generation of offshore renewable energy infrastructure. 

Together, these developments demonstrate how floating foundation technology is unlocking wind resources in deep-water regions that are unsuitable for conventional fixed-bottom turbines.

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