The Global Core Materials for Renewable Energy Market was valued at USD 1.82 Billion in 2024 and is projected to reach USD 3.15 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 9.5% during the forecast period (2024–2030). This robust growth is propelled by the global surge in wind and solar energy installations, advancements in composite material technology, and stringent government regulations favoring sustainable energy infrastructure.

As the world accelerates its shift toward renewable energy, the structural integrity and efficiency of components like wind turbine blades and solar panel supports become paramount. Core materials provide the critical lightweight, high-strength foundation for these applications. In this blog, we profile the Top 10 Companies in the Core Materials for Renewable Energy Industry—specialists in foams, balsa, and advanced composites that are building the backbone of the clean energy revolution.

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Core Materials for Renewable Energy Market – View in Detailed Research Report

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🔟 1. Diab Group (Part of Rättvik Group)

Headquarters: Landvetter, Sweden
Key Offering: Divinycell PVC foam, ProBalsa

Diab is a global leader in engineered core materials, renowned for its Divinycell PVC foam and ProBalsa wood products. These materials are extensively used in the vacuum infusion and prepreg processes for manufacturing large wind turbine blades, offering an exceptional strength-to-weight ratio and durability.

Innovation & Market Position:

• Pioneer in structural foam technology for composites

• Global supply chain supporting major wind turbine manufacturers like Vestas and Siemens Gamesa

• Continuous R&D focused on recyclable and sustainable core material solutions

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9️⃣ 2. 3A Composites Core Materials

Headquarters: Sins, Switzerland
Key Offering: Airex® PET foam, Baltek® balsa wood

3A Composites is a dominant force, particularly after acquiring the Baltek balsa business, creating a comprehensive portfolio of synthetic foams and natural core materials. Their Airex® T90 PET foam is specifically engineered for recyclable wind blade designs.

Innovation & Market Position:

• Unique combination of PET foam and balsa wood expertise

• Strong focus on developing eco-friendly, thermoplastic core materials

• Key supplier for next-generation sustainable blade projects

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8️⃣ 3. Gurit Holding AG

Headquarters: Wattwil, Switzerland
Key Offering: PET foams (Gurit® Kerdyn), Balsa (Gurit® Balsa), Structural Adhesives

Gurit is a specialist in composite materials and engineering solutions, serving the wind energy market with a full suite of core materials and adhesives. The company is instrumental in enabling the production of longer, more efficient turbine blades.

Innovation & Market Position:

• Leading provider of integrated material systems for wind blades

• Significant investments in PET foam production capacity to meet rising demand

• Technical support and engineering services for optimized blade design

Download FREE Sample Report:
Core Materials for Renewable Energy Market – View in Detailed Research Report

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7️⃣ 4. Evonik Industries AG

Headquarters: Essen, Germany
Key Offering: ROHACELL® polymethacrylimide (PMI) rigid foam

Evonik’s ROHACELL® is a high-performance PMI foam known for its superior mechanical properties and thermal stability. It is a preferred material for demanding applications in aerospace and is increasingly used in the root sections of large offshore wind turbine blades.

Innovation & Market Position:

• High-performance foam for extreme load conditions

• Focus on material solutions that enable lightweighting and increased energy capture

• Active in developing fire-retardant and sustainable foam variants

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6️⃣ 5. Armacell International S.A.

Headquarters: Luxembourg, Luxembourg
Key Offering: ArmaFORM® PET foams

Armacell, a world leader in flexible foams, has successfully expanded into structural PET foams with its ArmaFORM® product line. These foams are 100% recyclable and are gaining significant traction in the wind energy sector as the industry prioritizes circular economy principles.

Innovation & Market Position:

• Promoting circularity with 100% recyclable PET core materials

• Rapidly growing market share in the renewable energy segment

• Global manufacturing footprint ensuring supply chain reliability

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5️⃣ 6. CoreLite Inc.

Headquarters: Atlanta, Georgia, USA
Key Offering: SAN foam, PVC foam

CoreLite is a key North American manufacturer of structural foam cores, including Styrene Acrylonitrile (SAN) and PVC variants. The company serves the marine and transportation industries and is a growing supplier for the North American wind energy market.

Innovation & Market Position:

• Strong presence in the Americas with customized foam solutions

• Expertise in cross-linked PVC foams for high-performance applications

• Strategically positioned to benefit from US offshore wind development

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4️⃣ 7. Amorim Cork Composites

Headquarters: Santa Maria de Lamas, Portugal
Key Offering: Expandable cork core materials

Amorim, the world’s largest cork processor, offers unique composite core materials made from natural, renewable, and recyclable cork. These materials provide excellent vibration damping and sustainability credentials, making them attractive for specific renewable energy applications.

Innovation & Market Position:

• Unique natural and sustainable material offering

• Excellent acoustic and vibration damping properties

• Growing interest from manufacturers seeking bio-based alternatives

Download FREE Sample Report:
Core Materials for Renewable Energy Market – View in Detailed Research Report

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3️⃣ 8. General Plastics Manufacturing Company

Headquarters: Tacoma, Washington, USA
Key Offering: LAST-A-FOAM® rigid polyurethane and polyisocyanurate foams

General Plastics produces a wide range of engineered foam products. Their LAST-A-FOAM® FR系列 is used in various industrial applications, including prototypes and tooling for renewable energy components, offering high strength and fire resistance.

Innovation & Market Position:

• Specialist in high-density, fire-retardant rigid foams

• Important supplier for composite tooling used in blade manufacturing

• Vertically integrated manufacturing for quality control

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2️⃣ 9. Changzhou Tiansheng Composite Materials Co., Ltd.

Headquarters: Changzhou, Jiangsu, China
Key Offering: PVC foam, Balsa wood cores

As a leading Chinese manufacturer, Changzhou Tiansheng is a critical supplier to Asia’s booming wind energy market. The company provides cost-competitive PVC foam and processed balsa, supporting the massive scale of wind turbine production in the region.

Innovation & Market Position:

• Dominant player in the fast-growing Asia-Pacific market

• Strategic focus on cost-effectiveness and large-volume supply

• Expanding product portfolio to include more advanced foam types

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1️⃣ 10. I-Core Composites

Headquarters: Bengaluru, India
Key Offering: Custom-engineered foam and honeycomb cores

I-Core Composites specializes in providing tailored core material solutions for the aerospace, defense, and renewable energy sectors in India. The company is poised for significant growth as India rapidly expands its renewable energy capacity.

Innovation & Market Position:

• Leading domestic supplier in the strategic Indian market

• Expertise in customizing core materials for specific performance requirements

• Well-positioned to support ‘Make in India’ initiatives for renewable energy

Get Full Report Here:
Core Materials for Renewable Energy Market – View in Detailed Research Report

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🌍 Outlook: The Future of Core Materials is Smarter and More Sustainable

The core materials market is evolving beyond basic structural support to become an enabler of next-generation renewable energy technology. The focus is shifting toward materials that are not only strong and lightweight but also recyclable, bio-based, and digitally traceable.

📈 Key Trends Shaping the Market:

• Accelerated adoption of recyclable PET foams to address end-of-life blade concerns

• R&D into bio-based and hybrid core materials for enhanced sustainability profiles

• Demand for core materials capable of supporting longer offshore wind turbine blades exceeding 100 meters

• Integration of sensor technology within core materials for structural health monitoring

Get Full Report Here:
Core Materials for Renewable Energy Market – View in Detailed Research Report

The companies profiled are not merely material suppliers; they are essential partners in constructing a resilient and sustainable global energy infrastructure. Their innovations are fundamental to harnessing wind and solar power more efficiently, driving down the cost of renewable energy, and solidifying the foundation for a cleaner future.