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First Solar 525W 7 Series TR1 Specifications
| Model | 525W 7 Series TR1 |
| Maximum Power Output | 525W |
| Module Efficiency | 18.8% |
| Cell Efficiency | 19.7% |
| Maximum System Voltage | 1500V DC |
| Operating Temperature | -40°C to +85°C |
| Temperature Coefficient (PMAX) | -0.32%/°C |
| Dimensions | 2300×1216×6 mm |
| Cell Technology | CdTe Thin-Film |
| Annual Degradation | 0.3% warranted |
| Performance Warranty | 30 Years Linear |
| Product Warranty | 12 Years |
| Certifications & Listings | IEC 61215:2021 & 61730-1:2016,CE IEC 61701 Salt Mist Corrosion, IEC 60068-2-68 Dust and Sand Resistance, IEC 62716 Ammonia Corrosion, UL 61730 1500V Listed |
Complete solar systems engineered for membrane or torch down roofs, standing metal seam, corrugated steel, concrete, flashed or non-flashed composition, tile, metal, and virtually any sloping roof application. Available at competitive wholesale pricing.
First Solar Series 7 TR1 525W Thin Film Solar Panel
SKU FIRST-SOLAR-7-SERIES-TR1-525W-PANEL
Series 7 TR1 525W Thin Film Modules
This First Solar Series 7 TR1 panel delivers 525W of power output with 18.8% module efficiency and 19.7% cell efficiency, specifically engineered for utility-scale solar installations across the United States. This advanced thin-film CdTe module features the industry's best warranted degradation rate of only 0.3% annually, ensuring maximum lifetime energy production over its 30-year performance warranty period.
Manufactured at First Solar's state-of-the-art facility in Lake Township, Ohio, the Series 7 TR1 combines proven thin-film technology with innovative design features including an optimized back rail mounting system for enhanced installation velocity and a frameless glass-on-glass construction for superior durability. The module operates reliably across extreme temperature ranges from -40°C to +85°C while maintaining exceptional performance in high-temperature, partial shading, and low-light conditions.
First Solar Series 7 TR1 525W Features
- Maximum Lifetime Energy: Industry-best 0.3% warranted degradation rate delivers 92% power retention after 30 years
- Enhanced Installation Velocity: Optimized back rail mounting system and dual junction box design reduce installation time and wire management complexity
- Superior Durability: Glass-on-glass construction immune to cell cracking with comprehensive protection against environmental stresses
- Exceptional Temperature Performance: Superior temperature coefficient and spectral response maintain high performance in elevated ambient conditions
- Industry-Leading Sustainability: Lowest carbon footprint, water footprint, and energy payback time with global recycling services
First Solar 7 Series Domestic Manufacturing
The First Solar Series 7 TR1 is manufactured at First Solar's newest and most advanced factory in Lake Township, Ohio, with additional capacity expanding to Alabama and Louisiana facilities totaling over 14 gigawatts annually by 2026.
- Made in USA - Designed, responsibly sourced, and manufactured in the United States
- 100% US Sourced Components - Complete compliance with US Treasury domestic content guidance
- Buy America Compliant - Meets all federal procurement requirements for domestic content
- Zero Forced Labor - Silicon-free supply chain eliminates risks of forced labor and supply chain interruptions
- Advanced US Manufacturing - Four-hour glass-to-module production process at state-of-the-art Ohio facility
- Expanded US Capacity - New facilities in Alabama and Louisiana support American manufacturing growth
- ISO 9001:2015 Quality - End-to-end manufacturing process ensures globally consistent quality
- Supply Chain Investment - Strategic partnerships support US glass, steel, and mining industries
First Solar 525W 7 Series TR1 Solar Panel Review
The First Solar Series 7 TR1 delivers 525W power output with exceptional 18.8% module efficiency that is specifically optimized for utility-scale deployments. The 0.3% warranted annual degradation rate provides significant lifetime energy advantages over conventional crystalline silicon alternatives, ensuring 92% power retention after 30 years compared to typical 80-85% retention from competing technologies. This degradation performance translates to substantial additional energy production and improved project economics over the system's operational lifetime.
The optimized back rail mounting system enhances installation velocity while the dual junction box design simplifies wire management, reducing both labor costs and potential failure points. The frameless glass-on-glass construction provides exceptional durability with immunity to cell cracking damage, while the anti-reflective coated glass maximizes energy capture. Manufactured using First Solar's proprietary four-hour glass-to-module process at advanced US facilities, the Series 7 TR1 combines domestic supply chain security with the industry's most sustainable manufacturing practices and comprehensive recycling programs.
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