The Global Photothermal Glass Market was valued at USD 1.2 Billion in 2023 and is projected to reach USD 2.4 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 10.5% during the forecast period (2024–2030). This expansion is driven by increasing CSP plant installations, rising renewable energy investments, and technological advancements that enhance solar energy conversion efficiency through specialized glass solutions.

As concentrated solar power gains momentum in the global renewable energy mix, photothermal glass has become a critical component in thermal energy capture systems. In this comprehensive analysis, we examine the Top 10 Photothermal Glass Manufacturers—industry pioneers developing cutting-edge solar glass technologies for power generation applications worldwide.

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🔟 1. AGC Inc.

Headquarters: Tokyo, Japan
Key Offering: Sunlux Photothermal Glass Series

As the world’s largest glass manufacturer, AGC leads in photothermal glass innovation with products specifically engineered for concentrated solar power applications. Their solar glass solutions are deployed in over 50 CSP projects globally, featuring proprietary coatings that maximize energy absorption.

Technical Advantages:

• 94% solar transmittance with anti-reflective coating
• Thermal stability up to 500°C operation
• Enhanced durability for desert environments

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Photothermal Glass Market – View in Detailed Research Report

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9️⃣ 2. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: SolarMax Photothermal Solutions

Saint-Gobain’s photothermal glass division combines 350 years of glassmaking expertise with advanced solar technology. Their products are particularly favored in European and Middle Eastern CSP installations for their optical clarity and thermal performance.

Technical Advantages:

• Multi-layer anti-reflective coating system
• Custom thickness from 2-6mm
• High resistance to thermal cycling

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8️⃣ 3. CNGM (China National Glass Group)

Headquarters: Beijing, China
Key Offering: SolarTec CSP Glass

As China’s dominant glass manufacturer, CNGM has become a key supplier to Asia’s booming CSP market. Their photothermal glass combines competitive pricing with technical performance suitable for both tower and trough systems.

Technical Advantages:

• Mass production capacity of 5M sqm annually
• Low iron content (<0.02%) formulation
• Integrated solar coating application

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7️⃣ 4. Guardian Glass

Headquarters: Auburn Hills, Michigan, USA
Key Offering: Guardian Solar CSP Glass

Guardian’s photothermal glass division focuses on precision-engineered solutions for utility-scale CSP plants. Their products are specified in North American and Middle Eastern projects for their mechanical strength and optical consistency.

Technical Advantages:

• ±0.1mm thickness tolerance
• Anti-soiling hydrophobic coating
• UV-protected formulations

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Photothermal Glass Market – View in Detailed Research Report

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6️⃣ 5. Xinyi Glass

Headquarters: Hong Kong, China
Key Offering: XYG Solar Thermal Glass

Xinyi has emerged as a major force in solar glass manufacturing, with photothermal products specifically developed for China’s Belt and Road CSP projects. Their glass is engineered to withstand harsh operating environments.

Technical Advantages:

• Abrasion-resistant surface treatment
• High solar transmittance (93.5%)
• Custom solar absorption profiles

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5️⃣ 6. PPG Industries

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: Solarphire Photothermal Glass

PPG’s solar glass division brings aerospace-grade materials science to CSP applications. Their photothermal glass is favored for high-performance solar fields requiring precise optical characteristics.

Technical Advantages:

• Proprietary anti-soiling nanotechnology
• Enhanced thermal cycling resilience
• Comprehensive technical support services

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4️⃣ 7. Schott AG

Headquarters: Mainz, Germany
Key Offering: Schott SunTec+

Schott’s specialized glass technology has made it a preferred supplier for advanced CSP installations worldwide. Their photothermal glass sets benchmarks for optical performance in concentrated solar applications.

Technical Advantages:

• Industry-leading 96% solar transmittance
• Patent-protected glass composition
• Proven in extreme climate conditions

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3️⃣ 8. Taiwan Glass

Headquarters: Taipei, Taiwan
Key Offering: TGG Solar Thermal Series

Taiwan Glass has carved a niche in the Asian CSP market with competitively priced photothermal solutions that don’t compromise on technical specifications. Their rapid production cycles meet tight project timelines.

Technical Advantages:

• 8-week lead time for custom orders
• Dual-side anti-reflective treatment
• Optimized for tropical climates

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2️⃣ 9. Yaohua Group

Headquarters: Hebei, China
Key Offering: YH Solar Glass Solutions

Yaohua’s photothermal glass division has become instrumental in China’s CSP expansion, supplying major domestic projects while expanding into international markets with cost-effective solutions.

Technical Advantages:

• High-volume production capacity
• Self-cleaning surface technology
• Thermal shock resistant formulation

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Photothermal Glass Market – View in Detailed Research Report

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1️⃣ 10. An Cai Hi-Tech

Headquarters: Chengdu, China
Key Offering: AC Solar Thermal Glass

Specializing exclusively in solar glass, An Cai Hi-Tech has developed proprietary coating technologies that maximize energy capture in CSP applications while maintaining durability in field conditions.

Technical Advantages:

• 94.5% solar transmittance rate
• Enhanced scratch resistance
• Custom optical properties

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Photothermal Glass Market – View in Detailed Research Report

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🌍 Market Outlook: Photothermal Glass Powers Solar Future

The photothermal glass sector is experiencing accelerating growth as CSP technology becomes increasingly viable for utility-scale renewable energy generation. These market leaders continue to push technical boundaries to improve solar energy conversion rates and system longevity.

📈 Key Industry Trends:

• Development of next-generation anti-reflective coatings
• Advancements in self-cleaning surface technologies
• Integration of smart glass features for enhanced performance
• Expansion of production capacity in emerging solar markets

Get Full Report Here:
Photothermal Glass Market – View in Detailed Research Report

The profiled companies are not just producing glass—they’re engineering the fundamental components that enable efficient solar thermal energy capture on a global scale.