Bi-Facial PV Modules

Product Overview

Our bi-facial PV modules represent the pinnacle of solar energy innovation, designed to capture sunlight from both the front and rear surfaces for maximum power generation. Unlike traditional monofacial panels, bi-facial PV technology harnesses reflected and diffused light from the ground, nearby structures, or snow, boosting overall energy yield by up to 30% in optimal conditions. Engineered for international trade and large-scale deployments, these modules utilize advanced N-type TOPCon cells, delivering superior efficiency and longevity in diverse environments.

Ideal for utility-scale solar farms, commercial rooftops, and agrivoltaic systems, our bi-facial PV solutions are manufactured to the highest industry standards, ensuring reliability across global climates. With a focus on bifaciality exceeding 70%, these panels optimize performance on reflective surfaces like white gravel or water bodies. As a leader in photovoltaic manufacturing, we provide bi-facial PV modules that not only meet but exceed IEC and UL certifications, making them a trusted choice for B2B partners worldwide seeking sustainable energy solutions.

The bi-facial PV design incorporates a transparent backsheet and optimized glass encapsulation, allowing rear-side irradiance to contribute significantly to total output. This results in a lower levelized cost of energy (LCOE), accelerated ROI, and enhanced project viability. Whether you're developing ground-mounted arrays or floating solar installations, our bi-facial PV modules deliver consistent performance year-round, backed by rigorous testing for PID resistance, salt mist corrosion, and ammonia exposure.

Key Features

• High Bifaciality: Greater than 70% bifacial factor, enabling substantial rear-side power gain from albedo reflection.
• Advanced Cell Technology: N-type TOPCon cells with efficiency up to 22.5%, minimizing degradation over 30 years.
• Robust Frame Design: Anodized aluminum frame with reinforced corners for wind loads up to 5400 Pa and snow loads up to 8000 Pa.
• Low-Light Performance: Excellent output in dawn, dusk, and cloudy conditions, maximizing annual energy harvest.
• Anti-Reflection Coating: Multi-layer AR coating on front glass to reduce reflection losses and enhance light transmission.
• Fire Safety: Class A fire rating with tempered glass, ensuring compliance with international building codes.
• Easy Installation: Pre-drilled holes and lightweight construction (under 28 kg per module) for streamlined deployment.
• Extended Warranty: 12-year product warranty and 30-year linear power warranty, guaranteeing at least 84.95% output after 30 years.

Technical Specifications

*STC: Irradiance 1000 W/m², module temperature 25°C, AM 1.5. Specifications subject to tolerance ±3%.

Application Scenarios

Bi-facial PV modules excel in a variety of deployment scenarios where rear-side generation can be maximized. In large-scale ground-mounted solar power plants, installing panels at an optimized tilt height (typically 1-2 meters) over high-albedo surfaces like white pebbles or concrete allows bi-facial PV to capture up to 20-30% additional energy from ground reflection.

For commercial and industrial rooftops, bi-facial PV panels mounted on elevated racking systems benefit from reflected light off light-colored roofing materials or nearby structures, ideal for warehouses, factories, and logistics centers. In agrivoltaic applications, bi-facial PV integrates seamlessly above crops, providing shade while generating power from both soil reflection and plant transpiration, promoting dual land use in agricultural regions.

Water-based floating solar farms leverage bi-facial PV's ability to utilize water's high reflectivity (albedo ~0.05-0.1), reducing evaporation and cooling the modules for higher efficiency. Snow-prone areas see exceptional gains during winter, as fresh snow's albedo exceeds 80%, making bi-facial PV superior for cold-climate installations. Urban environments, including carports and noise barriers, also benefit from diffuse light reflection off pavements and walls.

Advantages

Opting for bi-facial PV modules provides distinct advantages over conventional monofacial panels. The core benefit lies in increased energy density: rear-side contribution lowers the required installation area, reducing balance-of-system costs like racking, cabling, and land leasing. Studies show bi-facial PV systems achieve 10-25% higher specific yields, translating to faster payback periods—often under 5 years in high-irradiance regions.

Durability is paramount; our bi-facial PV features half-cut cell technology to minimize micro-cracks and shading losses, coupled with lower temperature coefficients for consistent performance in hot climates. The transparent backsheet design resists yellowing and delamination, ensuring long-term bifaciality. Environmentally, bi-facial PV supports sustainable development by maximizing clean energy per footprint, aligning with global net-zero goals.

Economically, bi-facial PV reduces LCOE by 5-15% through higher output and lower O&M needs—no need for frequent cleaning as rear-side generation compensates for front-side dust accumulation. Scalable for GW-level projects, these modules integrate with trackers for even greater gains (up to 35% rear power boost), making them indispensable for EPC contractors and developers in competitive international markets.

Why Choose Us

As a premier manufacturer of bi-facial PV modules, we combine cutting-edge R&D with state-of-the-art automated production lines, achieving defect rates below 0.1%. Our vertically integrated supply chain—from silicon ingots to final assembly—ensures cost stability and rapid delivery for global projects. With over 10 GW shipped annually, we serve top-tier clients in Europe, North America, Asia, and the Middle East.

We prioritize quality through third-party validations like DNV and RETC certifications, plus bankable warranties from leading insurers. Customized solutions, such as tailored bifaciality ratios or frame colors, cater to specific project needs. Our expert technical support team offers simulation modeling using PVsyst and SAM software to predict site-specific bi-facial PV performance, empowering informed decision-making.

Committed to sustainability, our factories run on 100% renewable energy, and we adhere to REACH and RoHS standards. Partnering with us means accessing reliable bi-facial PV supply, competitive pricing, and lifetime partnership for upgrades and repowering initiatives.

FAQ

What is a bi-facial PV module?

A bi-facial PV module generates electricity from both the front and rear sides, utilizing direct, reflected, and diffused light for higher total output compared to monofacial panels.

How much extra power can bi-facial PV generate?

Rear-side gains typically range from 5-30%, depending on installation height, surface albedo, and tilt angle. Tools like albedo meters help optimize site performance.

Are bi-facial PV modules suitable for all ground types?

Yes, but optimal on high-albedo surfaces (e.g., white gravel, sand). Simulations account for local conditions to forecast gains accurately.

What warranties do your bi-facial PV modules offer?

12 years on product materials and workmanship, 30 years on linear power output (first year 98%, annual degradation <0.55%).

Can bi-facial PV be used with solar trackers?

Absolutely—trackers enhance rear-side exposure, often yielding 20-35% additional power. Compatible with single- and dual-axis systems.

How do bi-facial PV modules perform in low-light conditions?

Superior low-irradiance response due to TOPCon cells, maintaining high efficiency from 200 W/m² upward, ideal for cloudy or shaded sites.