High-Efficiency 320 Watt Solar Panel for Commercial & Industrial Applications
Engineered for superior energy yield and robust performance, our 320W solar panel represents the optimal balance of power, durability, and value for large-scale B2B projects. Designed with advanced monocrystalline PERC cells and a focus on long-term reliability, this panel delivers consistent, high-efficiency output to maximize your return on investment across diverse commercial, industrial, and utility-scale installations.
Product Overview
This 320-watt solar module is a cornerstone product for businesses seeking to reduce operational energy costs and enhance sustainability goals. Its design prioritizes high energy density and exceptional performance in real-world conditions, including low-light and high-temperature environments. The standardized size of the 320 watt solar panel ensures seamless integration with most mounting systems and simplifies logistics, making it an ideal choice for bulk procurement and streamlined project deployment. Built to withstand harsh environmental stresses, it offers a proven solution for dependable power generation over its extended product lifespan.
Key Features
- Advanced Monocrystalline PERC Cells: Utilizes Passivated Emitter and Rear Cell (PERC) technology for enhanced light absorption and higher conversion efficiency, typically exceeding 20%.
- Optimized Power Output: The 320W rating provides an excellent power class for balancing system design, space utilization, and cost-effectiveness.
- Superior Low-Light Performance: Engineered to initiate and maintain power production earlier in the morning and later in the evening, increasing daily energy harvest.
- Robust Mechanical Durability: Features a corrosion-resistant aluminum frame and high-strength tempered glass capable of withstanding high wind loads (2400Pa) and snow loads (5400Pa).
- Reduced Potential-Induced Degradation (PID): Advanced cell and module encapsulation technology ensures minimal power loss in high-voltage systems, safeguarding long-term performance.
- Smart Installation-Friendly: The standardized dimensions and weight of this panel facilitate faster, safer installation, reducing labor costs.
Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum Power (Pmax) | 320 W |
| Cell Type | Monocrystalline Silicon (PERC) |
| Module Efficiency | > 20.5% |
| Dimensions (L x W x H) | Approx. 1755 x 1038 x 35 mm (This is the typical size of a 320 watt solar panel) |
| Weight | Approx. 19.5 kg |
| Front Glass | 3.2mm High-Transmission, Anti-Reflective Tempered Glass |
| Frame | Anodized Aluminum Alloy |
| Junction Box | IP68 Rated, 3 Bypass Diodes |
| Power Tolerance | 0 ~ +5 W |
| Operating Temperature | -40°C to +85°C |
| Product Warranty | 15 Years |
| Linear Power Warranty | 25 Years (≥ 84.8% of nominal power) |
Application Scenarios
The versatile power class and robust build of our 320W panel make it suitable for a wide range of commercial and industrial applications:
- Commercial Rooftop Installations: Ideal for warehouses, factories, shopping malls, and office buildings seeking to offset high daytime energy consumption.
- Industrial Power Plants: A fundamental building block for ground-mounted utility-scale solar farms due to its high efficiency and reliable performance.
- Agricultural & Farming Operations: Powers irrigation systems, greenhouses, and processing facilities, reducing reliance on unstable grid power or diesel generators.
- Large-Scale Off-Grid & Hybrid Systems: Used in mining operations, remote telecommunications towers, and community microgrids paired with battery storage.
- Government & Institutional Projects: Deployed for schools, hospitals, and municipal buildings as part of public sustainability initiatives.
Advantages
- High Energy Yield per Square Meter: The efficient cell technology and optimized size of the 320 watt solar panel deliver more power within a given area, maximizing the ROI of your available space.
- Lower Levelized Cost of Energy (LCOE): Superior efficiency and durability translate to more kilowatt-hours generated over the system's lifetime, driving down the overall cost per unit of electricity.
- Proven Reliability & Bankability: Manufactured under strict ISO-certified processes with tier-1 quality components, ensuring performance that meets the due diligence standards of financiers and EPC contractors.
- Global Certifications: Complies with international standards including IEC 61215, IEC 61730, and UL 61730, ensuring safety and performance for global market access.
- Reduced Balance of System (BOS) Costs: Higher wattage per panel means fewer panels, connectors, and less mounting hardware are required for a given system size, simplifying installation and reducing material costs.
Why Choose Our 320W Solar Panel?
As a professional manufacturer with over a decade of experience in the global solar industry, we offer more than just a product. We provide a partnership built on quality and reliability.
- OEM/ODM Capabilities: We can customize the size of the 320 watt solar panel, junction box placement, cable length, and connectors to meet your specific project or branding requirements.
- Strict Quality Control: Every batch undergoes rigorous EL testing, electroluminescence inspection, and performance verification before shipment.
- Competitive Pricing & Volume Discounts: Direct-from-factory pricing with attractive terms for large-volume B2B orders and long-term supply agreements.
- Global Logistics Support: Experienced in handling container loading, export documentation, and shipping to major ports worldwide, ensuring timely delivery.
- Comprehensive Technical Support: Our engineering team provides detailed datasheets, 3D models, and system design support to facilitate your project planning.
Frequently Asked Questions (FAQ)
Q1: What is the exact size and weight of this panel?
A: The standard dimensions are approximately 1755mm in length, 1038mm in width, and 35mm in depth, with a weight of around 19.5 kg. This size of the 320 watt solar panel is industry-standard, ensuring compatibility with most universal mounting systems.
Q2: How many panels do I need for a 100kW system?
A: For a 100kW (100,000-watt) system using 320W panels, you would require approximately 313 panels (100,000 / 320 = 312.5). We recommend a detailed site assessment for an accurate system design.
Q3: Are these panels suitable for high-temperature climates?
A: Yes. They feature a low temperature coefficient (typically around -0.34%/°C), meaning their power output decreases less in hot weather compared to conventional panels, ensuring better performance in desert or tropical environments.
Q4: What certifications do these panels hold?
A: Our 320W panels are certified to IEC 61215 (performance), IEC 61730 (safety), and are CE, ISO certified. They also meet the requirements for many regional standards. Full certification details are available upon request.
Q5: Can I request a custom logo or packaging?
A: Absolutely. We offer full OEM services, including custom branding on the panels and packaging, tailored to your company's specifications for private label projects.
Contact us today for a detailed quotation, technical datasheet, and to discuss how our 320W solar panels can power your next project.


