Top 10 Companies in the PV Glass Industry (2025): Market Leaders Enabling the Global Solar Revolution

In Business Insights
December 14, 2025


The Global PV Glass Market was valued at USD 4.79 Billion in 2023 and is projected to reach USD 7.69 Billion by 2029, growing at a Compound Annual Growth Rate (CAGR) of 8.20% during the forecast period (2024–2029). This robust growth is primarily driven by the global surge in solar energy installations, supportive government policies for renewable energy, and technological advancements in glass efficiency and durability.

As the world accelerates its transition to clean energy, PV glass has become a critical component in harnessing solar power efficiently. This specialized glass, designed for photovoltaic modules, must offer high light transmittance, self-cleaning properties, and exceptional strength to maximize energy conversion and ensure long-term reliability. In this blog, we profile the Top 10 Companies in the PV Glass Industry—a group of global manufacturers and innovators who are building the foundation for a solar-powered future.


🔟 1. Xinyi Solar Holdings Limited

Headquarters: Wuhu, Anhui, China
Key Offering: Ultra-clear patterned glass, Anti-reflective (AR) coated glass, Double-glass modules

Xinyi Solar is the world’s largest manufacturer of solar glass by production capacity. The company specializes in the production of high-transparency, low-iron solar glass which is essential for maximizing the efficiency of photovoltaic panels. Its products are supplied to major module manufacturers globally.

Innovation and Capacity:

  • Massive production scale with facilities across China and expansion plans in Southeast Asia
  • Pioneer in the development and manufacturing of double-glass photovoltaic modules
  • Continuous R&D focused on increasing light transmittance and module longevity

Download FREE Sample Report: Global PV Glass Market – View in Detailed Research Report


9️⃣ 2. Flat Glass Group Co., Ltd. (FLAT)

Headquarters: Jiaxing, Zhejiang, China
Key Offering: AR coated glass, Tempered solar glass, Float glass

FLAT is a leading global supplier of photovoltaic glass, renowned for its high-quality, durable products. The company serves a vast international clientele and has a significant market share, supported by its strong manufacturing capabilities and consistent product quality.

Innovation and Capacity:

  • Extensive product portfolio catering to both crystalline silicon and thin-film solar cells
  • Strategic investments in coating technologies to enhance anti-reflective properties
  • Global supply chain ensuring reliable delivery to module producers worldwide

8️⃣ 3. CSG Holding Co., Ltd.

Headquarters: Shenzhen, Guangdong, China
Key Offering: Ultra-clear solar glass, TCO glass, Building-integrated photovoltaics (BIPV) glass

CSG is a major player in the specialty glass industry with a strong focus on solar products. The company is known for its technological expertise in producing ultra-clear glass and TCO (Transparent Conductive Oxide) glass, which is critical for thin-film solar applications.

Innovation and Capacity:

  • Leading producer of TCO glass for the thin-film solar sector
  • Active in the BIPV market, creating glass that serves as both a building material and power generator
  • Strong R&D focus on next-generation photovoltaic materials

7️⃣ 4. AGC Inc.

Headquarters: Tokyo, Japan
Key Offering: XCV® glass for PV, Anti-reflective glass, High-transmittance glass

AGC, a multinational glass manufacturer, brings its century of material science expertise to the solar industry. The company’s XCV® glass is engineered specifically for solar panels, offering superior light capture and power output enhancement.

Innovation and Capacity:

  • Proprietary glass formulations that increase module efficiency
  • Global manufacturing presence with a focus on high-value, technologically advanced products
  • Development of lightweight and flexible glass solutions for emerging solar applications

6️⃣ 5. NSG Group (Nippon Sheet Glass)

Headquarters: Tokyo, Japan
Key Offering: Pilkington Sunplus™, TCO glass, Patterned glass

Operating under the Pilkington brand, NSG Group is a global leader in glass and glazing products. Its Sunplus™ range is specifically designed for solar energy applications, providing high transparency and excellent weathering resistance.

Innovation and Capacity:

  • Long-standing reputation for quality and innovation in the global glass market
  • Specialization in glass for both rigid and flexible solar modules
  • Commitment to sustainability through energy-efficient manufacturing processes

5️⃣ 6. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: Glass for solar panels, BIPV solutions, Specialty coatings

Saint-Gobain, a historic leader in the building materials sector, is a significant supplier of high-performance glass for the solar industry. The company leverages its expertise in advanced materials to produce glass that enhances the durability and efficiency of solar modules.

Innovation and Capacity:

  • Strong focus on European and North American markets with local production facilities
  • Innovation in BIPV, integrating solar functionality directly into architectural glass
  • Development of anti-soiling coatings to reduce maintenance and boost energy yield

Download FREE Sample Report: Global PV Glass Market – View in Detailed Research Report


4️⃣ 7. Guardian Glass

Headquarters: Auburn Hills, Michigan, USA
Key Offering: Solar glass substrates, High-transmission glass

A subsidiary of Koch Industries, Guardian Glass is a major international manufacturer of float glass and fabricated products. The company supplies high-quality glass substrates to the solar industry, known for their consistency and optical clarity.

Innovation and Capacity:

  • Global manufacturing network ensuring a stable supply chain
  • Investment in advanced float glass technology for superior surface quality
  • Focus on producing glass that meets the demanding specifications of top-tier module makers

3️⃣ 8. Taiwan Glass Industry Corporation

Headquarters: Taipei, Taiwan
Key Offering: Solar cover glass, Low-iron glass, AR glass

Taiwan Glass is a leading glass producer in Asia with a dedicated solar glass division. The company provides a range of products tailored for photovoltaic applications, benefiting from its integrated manufacturing process from raw materials to finished glass.

Innovation and Capacity:

  • Strong regional presence in the Asia-Pacific solar supply chain
  • Continuous improvement in glass strength and light transmittance properties
  • Supplies both the domestic Taiwanese market and international customers

2️⃣ 9. Interfloat Corporation

Headquarters: Ruggell, Liechtenstein
Key Offering: GLOBASOL® solar glass, Anti-reflective coated glass

Interfloat is a leading European manufacturer of solar glass, marketing its products under the GLOBASOL® brand. The company specializes in glass for high-efficiency solar modules and has a strong focus on the European renewable energy market.

Innovation and Capacity:

  • One of the few major solar glass producers with manufacturing bases in Europe
  • Expertise in custom coatings and glass specifications for specialized solar applications
  • Commitment to high environmental standards in its production processes

1️⃣ 10. IRICO Group New Energy Co., Ltd.

Headquarters: Xianyang, Shaanxi, China
Key Offering: Photovoltaic glass, TCO glass, Ultra-white rolled glass

IRICO is a significant Chinese player in the display and solar glass industries. The company’s expertise in conductive glass for displays translates well to the production of TCO glass for thin-film solar panels, making it a key supplier in this niche segment.

Innovation and Capacity:

  • Specialization in TCO glass, a critical component for thin-film photovoltaic technology
  • Integrated production capabilities from glass melting to precision coating
  • Growing capacity to meet the increasing demand for advanced solar materials

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


🌍 Outlook: The Future of PV Glass is Smarter and More Integrated

The PV glass market is undergoing a significant transformation, moving beyond being a simple protective cover to becoming an active, high-performance component that substantially increases the efficiency and application range of solar panels. The industry’s trajectory is defined by innovation in materials science and a deeper integration with the built environment.

📈 Key Trends Shaping the Market:

  • Accelerated adoption of double-glass modules for enhanced durability and longer warranties
  • Rapid growth of the Building-Integrated Photovoltaics (BIPV) segment, where glass serves a dual structural and power-generating purpose
  • Development of anti-reflective and anti-soiling coatings to maximize light absorption and reduce operational maintenance
  • Increasing module sizes driving demand for larger, stronger, and more uniform glass sheets

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

The companies listed above are not only supplying a critical material—they are actively enabling the global energy transition by making solar power more efficient, affordable, and versatile.