Carbo4Power · Project

Stronger, Lighter Offshore Turbine Blades That Cut Energy Costs and Last Longer

energyTestedTRL 6

Offshore wind and tidal turbines take a beating — salt water, lightning, marine growth clogging the blades. This team figured out how to make turbine blades from smarter materials that are lighter, tougher, and can actually be recycled when they wear out. Think of it like going from a heavy wooden baseball bat to a carbon fiber one that repairs itself and can be melted down into a new bat. They built scale-down blade demonstrators to prove the concept works for both wind and tidal energy.

By the numbers

<10 ct€/kWh

Target wind energy cost

15 ct€/kWh

Target tidal energy cost

50%

Fouling release from nano-enabled coatings

20%

Scrap reduction via net-shape manufacturing

95%

Blade material recyclability

Consortium partners

SMEs in consortium

The business problem

What needed solving

Offshore turbine blades are expensive to manufacture, heavy, prone to damage from lightning and biofouling, and nearly impossible to recycle at end of life. Current blades generate significant material waste during production and end up in landfills when decommissioned. Operators face high maintenance costs and downtime, especially for tidal turbines in harsh marine environments.

The solution

What was built

The project built scale-down demonstrators of both wind and tidal turbine blades using nano-engineered hybrid composites. Key deliverables include recyclable thermoset resins, anti-fouling and lightning-protection coatings, modular blade designs for wind turbines, and one-shot manufacturing processes for tidal blades.

Audience

Who needs this

Offshore wind turbine blade manufacturers (e.g., LM Wind Power, TPI Composites)Tidal and marine energy developersComposite materials suppliers targeting the renewable energy sectorWind farm operators looking to reduce maintenance and end-of-life costsBlade recycling and circular economy companies

Business applications

Who can put this to work

Offshore Wind Energy

enterprise

Target: Wind turbine blade manufacturers and offshore wind farm operators

If you are a blade manufacturer struggling with high material waste and maintenance costs on offshore installations — this project developed nano-engineered composite materials and modular blade designs that achieve around 20% scrap reduction during manufacturing and up to 95% recyclability. The coatings deliver approximately 50% fouling release, cutting underwater maintenance cycles significantly.

Tidal Energy

mid-size

Target: Tidal turbine developers and marine energy companies

If you are a tidal energy company fighting biofouling and blade degradation in harsh marine environments — this project built tidal blade demonstrators using advanced multi-materials with protective nano-enabled coatings. The target is energy costs below 15 ct€/kWh for tidal turbines, with blades designed for one-shot manufacture to reduce production complexity.

Advanced Composites Manufacturing

any

Target: Fiber-reinforced polymer manufacturers and composite recyclers

If you are a composites manufacturer looking to improve recyclability and reduce production waste — this project created dynamic thermoset resins with inherent repairability and debonding-on-demand adhesives that push blade material recycling up to 95%. The automated net-shape manufacturing process targets roughly 20% scrap reduction compared to conventional methods.

Frequently asked

Quick answers

What would it cost to adopt these new blade materials compared to conventional composites?

The project does not publish specific material costs. However, the target is to bring wind energy costs below 10 ct€/kWh and tidal below 15 ct€/kWh, which implies competitive lifecycle pricing. Reduced scrap (around 20%) and higher recyclability (up to 95%) should lower total cost of ownership over time.

Can these materials be manufactured at industrial scale?

The project used automated net-shape composite manufacturing technologies designed for industrial production. Scale-down demonstrators were built for both wind and tidal blades, but full-scale commercial production would still require scaling up from these demonstrators.

What is the IP situation — can we license this technology?

With 19 consortium partners including 11 SMEs and 9 industrial players across 9 countries, IP is likely distributed among partners. Licensing discussions would need to go through the coordinator (National Technical University of Athens) or the specific partner that developed the component you need.

How does this help with end-of-life blade disposal regulations?

The 3R resins and debonding-on-demand adhesives enable up to 95% material recycling, directly addressing the growing regulatory pressure around composite waste in Europe. This is a significant step beyond current blade disposal practices where most material ends up in landfill.

How proven is the technology — has it been tested in real conditions?

The consortium built wind and tidal blade scale-down demonstrators as a collaborative effort. This is an Innovation Action project (2020-2024) with strong industry involvement at 47%, suggesting the technology reached demonstration level but is not yet commercially deployed.

Can these coatings be applied to existing turbine blades or only new ones?

Based on available project data, the anti-fouling and lightning-protection coatings were developed as part of the full blade manufacturing process. Whether they can be retrofitted to existing blades is not explicitly addressed in the project objectives.

Consortium

Who built it

The Carbo4Power consortium brings together 19 partners from 9 countries (AT, BE, DE, EE, EL, ES, FR, PT, UK) with a strong industry presence — 9 industrial partners and 11 SMEs make up 47% of the team, alongside 3 universities and 7 research organizations. This is a well-balanced mix for moving technology from lab to market. The coordinator is the National Technical University of Athens (NTUA), a major Greek engineering university. The high SME count suggests multiple potential licensing or supply chain entry points for businesses wanting to adopt specific components of this technology — whether it is the recyclable resins, the anti-fouling coatings, or the automated manufacturing process.

ETHNICON METSOVION POLYTECHNIONCoordinator · EL
CAMBRIDGE NANOMATERIALS TECHNOLOGY LTDparticipant · UK
ASOCIACION DE INVESTIGACION METALURGICA DEL NOROESTEparticipant · ES
THE UNIVERSITY OF BIRMINGHAMparticipant · UK
INNOVATION IN RESEARCH & ENGINEERING SOLUTIONSparticipant · BE
INSTITUT DE RECHERCHE TECHNOLOGIQUE JULES VERNEparticipant · FR
BIOG3D IKEparticipant · EL
AIDEAS OUparticipant · EE
BIONIC SURFACE TECHNOLOGIES GMBHparticipant · AT
INSTITUTO TECNOLOGICO DE ARAGONparticipant · ES
OFFSHORE RENEWABLE ENERGY CATAPULTparticipant · UK
SABELLAparticipant · FR
INEGI - INSTITUTO DE CIENCIA E INOVACAO EM ENGENHARIA MECANICA E ENGENHARIA INDUSTRIALparticipant · PT
FUNDACION CIDETECparticipant · ES
UNIVERSITY OF STRATHCLYDEparticipant · UK

How to reach the team

Coordinator is National Technical University of Athens (NTUA), Greece — reach out through the project website or university engineering department.

Order a report on this consortium See ETHNICON METSOVION POLYTECHNION profile →

Next steps

Talk to the team behind this work.

Want an introduction to the Carbo4Power team? SciTransfer can connect you with the right partner for your specific needs — whether that is recyclable resins, protective coatings, or automated blade manufacturing.

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