Float Glass for Photovoltaics Market to Reach US$ 35.54 Billion by 2035, Driven by Solar Energy Adoption and Growing Demand for High-Efficiency Solar Panels

The global float glass for photovoltaics market size was valued at USD 8.68 billion in 2025 and is projected to reach USD 35.54 billion by 2035, growing at a CAGR of 15.4% during 2026 to 2035. The market is supported by the rapid expansion of solar photovoltaic installations, increasing adoption of bifacial and dual-glass modules, rising demand for high-transmission low-iron glass, and the growing deployment of advanced coated solar glass. Photovoltaic module manufacturers are focusing on improving efficiency, durability, and building-integrated photovoltaic applications.

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Float Glass for Photovoltaics Market Recent Developments

United States

• August 2026 - Domestic Solar Glass Supply Chain Expansion: In August 2026, industry reporting highlighted efforts by U.S.-based Stewart Glass to increase domestic solar glass production. The company was preparing to conduct trials of its solar glass with U.S. photovoltaic module assemblers, addressing a supply-chain gap in domestically produced low-iron solar glass for crystalline-silicon modules. The development reflects increasing efforts to reduce dependence on imported solar glass as U.S. module manufacturing expands.

• January 2025 - NSG Expands U.S. Solar Glass Production: NSG Group announced the conversion of an existing float line at its Pilkington North America facility in Rossford, Ohio, to produce transparent conductive oxide (TCO) glass. The converted line began producing TCO glass in March 2025 to support First Solar's U.S. thin-film photovoltaic manufacturing expansion. The investment strengthens the domestic supply of coated glass for thin-film solar applications.

Japan

• April 2026 - NSG Demonstrates Recycling of PV Cover Glass: On April 10, 2026, NSG Group announced the successful demonstration of manufacturing float glass using recovered cover glass from end-of-life photovoltaic modules. The trial was conducted at NSG's Chiba Plant using recycled glass recovered through Tokuyama Corporation's PV-panel recycling technology. The result demonstrated that recovered PV cover glass can be incorporated into float-glass production under defined conditions, supporting the development of closed-loop recycling for photovoltaic glass.

• June 2026 - AGC Expands Photovoltaic Glass Applications in Malaysia: AGC announced its participation in Malaysia's first Nearly Zero Energy Building demonstration project for retrofitting an existing building. AGC is supplying high-performance Low-E glass and BIPV products, including SunEwat, supporting the project's objective of reducing primary energy consumption by at least 75%. The project demonstrates the growing application of photovoltaic glass in building-integrated solar generation.

Float Glass for Photovoltaics Market Mergers and Acquisitions

• May 2026 - Apollo Agrees to Acquire NSG Group: Apollo Funds agreed to acquire NSG Group, a global glass manufacturer with businesses spanning architectural, automotive, and solar glass. The transaction was reported at an enterprise value of approximately USD 3.7 billion. The deal is strategically relevant to the photovoltaic glass industry because NSG operates solar-glass manufacturing and technology businesses, including products for thin-film and crystalline-silicon photovoltaic applications.

• March 2026 - Waaree Approves Solar Glass Manufacturing Investment: Waaree Energies approved a capital expenditure of approximately INR 39 billion (around USD 415 million) to establish a solar glass manufacturing facility through its subsidiary Waaree Green Glass. The planned facility is designed for approximately 2,500 metric tonnes per day of production capacity. The investment represents a major move toward increasing India's domestic solar-glass manufacturing capacity.

• August 2026 - Caelux Signs Long-Term Solar Glass Supply Agreements: Caelux Corporation entered into separate five-year framework agreements with Navitas Solar and Rayzon Solar to supply energy-producing solar glass for a combined 10 GW of next-generation hybrid tandem PV module manufacturing in India. The agreements involve perovskite-enabled solar glass intended to support modules with efficiencies of up to 28%, with commercial deployment expected from 2028.

Float Glass for Photovoltaics Market Segmentation

By Product Type
• Uncoated Solar Float Glass
• Coated Solar Float Glass

By Module Configuration
• Single Glass Modules
• Dual Glass Modules
• Bifacial Modules

By Thickness
• Up to 2 mm
• 2-3.2 mm
• Above 3.2 mm

By Solar Technology
• Crystalline Silicon Modules
• Thin-Film Modules

By End-Use Installation
• Utility-Scale Solar
• Commercial & Industrial (C&I)
• Residential
• Building-Integrated Photovoltaics (BIPV)

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Top 5 Companies in the Float Glass for Photovoltaics Market

• Xinyi Solar Holdings Limited
• Flat Glass Group Co., Ltd.
• AGC Glass Europe
• Nippon Sheet Glass Co., Ltd. (NSG Group)
• Gold Plus Glass Industry Limited

Company Profiles

Xinyi Solar Holdings Limited is a major photovoltaic glass manufacturer specializing in the production of ultra-clear patterned solar glass, anti-reflective coated glass, and back glass for photovoltaic modules. As of June 30, 2026, Xinyi Solar reported 22,600 tonnes per day of operational photovoltaic glass melting capacity, with production facilities across China, Malaysia, and Indonesia. The company also reported that its overseas production capacity had increased to approximately 20% of its total capacity as of June 2026, supporting supply-chain diversification outside China.

Flat Glass Group Co., Ltd. is a major Chinese manufacturer of photovoltaic glass and operates large-scale production facilities serving the global solar-module industry. The company's competitive position is supported by large production capacity, vertical integration, and its focus on low-iron solar glass used in crystalline-silicon photovoltaic modules. The company is among the leading suppliers contributing to China's strong position in the global photovoltaic glass supply chain.

Regional Analysis of the Float Glass for Photovoltaics Market

United States: The United States is an important emerging market for photovoltaic glass as domestic solar-module manufacturing expands and manufacturers seek more localized supply chains. NSG's conversion of its Ohio float line for TCO glass and emerging domestic solar-glass production initiatives demonstrate efforts to strengthen local supply. The U.S. market is particularly relevant for thin-film photovoltaic glass and is also developing opportunities for low-iron glass used in crystalline-silicon modules.

India: India is becoming an increasingly important market for photovoltaic float glass as solar module manufacturing capacity expands and government policies encourage localization of the renewable-energy supply chain. Gold Plus Glass commissioned a solar-glass facility in Karnataka with 109,500 metric tonnes per year of solar-glass capacity, while Waaree Energies approved a much larger planned facility with capacity of approximately 2,500 tonnes per day. These investments indicate a shift toward greater domestic availability of solar glass.

Conclusion

The float glass for photovoltaics market is benefiting from rapid global solar PV deployment, increasing glass intensity in photovoltaic modules, and the shift toward bifacial and dual-glass module architectures. The market is also evolving beyond conventional low-iron float glass toward coated, anti-reflective, anti-soiling, and specialized glass solutions designed to improve light transmission and module performance.

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