Solar PV

50kW Commercial TOPCon Single-Axis Solar System - High-Yield Tracking

EPC Price Range
$42,000 - $55,000

Key Features

  • 50.4 kWp DC capacity with 72 high-efficiency 700W N-type TOPCon bifacial modules
  • Single-axis horizontal tracking system delivers 15-25% more energy than fixed-tilt installations
  • Industry-leading 24.5% module efficiency with <0.4% annual degradation over 30 years
  • Generates approximately 132 MWh annually with capacity factor of 29.9%
  • LCOE as low as $0.03/kWh with 4-6 year payback period and 70 tons CO₂ offset per year
Request QuoteTechnical SpecificationsSINOSURE Financing

The SOLARTODO 50kW Commercial TOPCon Single-Axis Solar PV System offers a nominal power output of 50 kW, achieving module efficiencies up to 24.5%. Priced between $42,000 and $55,000, it meets IEC 61215 and UL 1703 certifications, making it ideal for commercial applications like manufacturing and agriculture.

Description

SOLARTODO 50kW Commercial TOPCon Single-Axis Solar PV System

The Apex of Commercial Solar Generation

The SOLARTODO 50kW Commercial TOPCon Single-Axis Solar PV System represents the pinnacle of modern photovoltaic engineering, designed for businesses and organizations committed to achieving energy independence and superior financial returns. This fully integrated solution combines the industry's most advanced N-type Tunnel Oxide Passivated Contact (TOPCon) solar modules with a high-precision single-axis tracking system, delivering unparalleled energy yield, long-term reliability, and a significantly lower Levelized Cost of Energy (LCOE). With a nominal power output of 50 kW, this system is perfectly scaled for a wide range of commercial applications, including manufacturing facilities, agricultural operations, and large retail centers. It is engineered to meet stringent international standards, including IEC 61215 and UL 1703, ensuring a 30-year performance lifespan and robust operation in diverse environmental conditions. The system's design capitalizes on current 2026 market trends, where N-type TOPCon technology has moved from a projected growth platform to a mainstream high-efficiency choice for commercial solar deployments, positioning it as a future-proof investment in sustainable energy. [1]

Advanced N-type TOPCon Module Technology

The core of the system's exceptional performance lies in its use of next-generation N-type TOPCon bifacial solar modules. These modules, featuring large-format 210mm silicon wafers, achieve a remarkable module efficiency of up to 24.5%, placing them at the forefront of commercially available PV technology. Unlike conventional P-type PERC cells, N-type TOPCon cells exhibit virtually no Light-Induced Degradation (LID) and have a significantly lower temperature coefficient, resulting in higher energy production in real-world conditions. The passivated contact structure minimizes surface recombination losses, a key factor in their high efficiency. [2] Furthermore, the system benefits from an impressive bifacial gain, capturing reflected light from the ground (albedo) to generate an additional 10-20% of energy from the rear side of the panels. This is complemented by an industry-leading degradation warranty, guaranteeing no more than 1% power loss in the first year and a maximum linear annual degradation of 0.4%, ensuring at least 87.4% of the nominal power output after 30 years of operation.

FeatureSpecificationAdvantage
Cell TechnologyN-type TOPCon BifacialHigher efficiency, lower degradation, no LID
Module Power700W+ ClassFewer modules required, lower BOS cost
Module EfficiencyUp to 24.5%Maximizes energy output per unit area
Degradation Rate<1% (Year 1), <0.4% (Annual)Long-term performance and investment security
Bifacial Gain10-20%Increased energy yield from reflected light

High-Yield Single-Axis Tracking System

To maximize the energy harvest from the high-efficiency TOPCon modules, the system incorporates a robust horizontal single-axis tracking system. This intelligent structure automatically adjusts the tilt of the solar array throughout the day, following the sun's trajectory from east to west. This continuous optimization of the panels' orientation to incident sunlight dramatically increases energy production by 15-25% compared to an equivalent fixed-tilt installation. [3] The tracker is engineered for commercial-grade reliability, constructed from high-strength, corrosion-resistant materials to withstand decades of outdoor exposure. Its advanced control system utilizes astronomical algorithms for precise positioning, with backtracking capabilities to prevent inter-row shading during early morning and late afternoon hours, further enhancing the total energy yield. The integration of this tracking technology is crucial for maximizing the return on investment, particularly in locations with high direct normal irradiance (DNI), enabling the syst

Technical Specifications

System Capacity50.4kWp
Module TypeN-type TOPCon Bifacial
Module Power700W
Number of Modules72pcs
Module Efficiency24.5%
Array ConfigurationSingle-Axis Horizontal Tracker
Tracking Angle Range±60degrees
Inverter TypeThree-Phase String Inverter
Inverter Efficiency98.5%
Est. Annual Generation97.7MWh
Capacity Factor22.1%
System Area252m²
CO₂ Offset48.9tons/year
LCOE0.020$/kWh
Payback Period4.1years
Module Warranty25years
Power Performance Warranty30 years @ 87.4%
Inverter Warranty10years
System Lifespan30+years

Price Breakdown

ItemQuantityUnit PriceSubtotal
TOPCon Bifacial Solar Modules (700W, 72 pcs)72 pcs$154$11,088
Single-Axis Horizontal Tracker System1 set$6,048$6,048
Three-Phase String Inverter (50kW)1 unit$2,500$2,500
DC Cables, Combiner Box & Connectors1 set$1,008$1,008
AC Infrastructure & Grid Connection1 set$3,500$3,500
Monitoring System & Communication1 system$500$500
Installation Labor & Commissioning1 service$4,032$4,032
Engineering, Design & Documentation1 service$1,500$1,500
Shipping, Handling & Insurance1 service$2,324$2,324
Total Price Range$42,000 - $55,000

Frequently Asked Questions

What is the primary advantage of TOPCon technology over PERC?
TOPCon (Tunnel Oxide Passivated Contact) technology offers superior performance through higher cell efficiency and significantly lower long-term degradation. Its N-type silicon base is not susceptible to Light-Induced Degradation (LID), a common issue in P-type PERC cells. This results in a higher lifetime energy yield, with a guaranteed power output of 87.4% after 30 years, compared to the 84.8% typical for PERC modules, ensuring better investment returns.
How much more energy does the single-axis tracker provide?
The single-axis tracking system increases the total annual energy production by approximately 15-25% compared to a fixed-tilt system. By continuously orienting the solar panels towards the sun, it maximizes light absorption throughout the day, especially during the peak production hours of the morning and afternoon. This boost in yield is a key factor in lowering the Levelized Cost of Energy (LCOE) and accelerating the project's payback period.
What kind of maintenance does this 50kW system require?
Maintenance is minimal. It primarily involves periodic cleaning of the solar panel surfaces to remove dust and debris, which can be done once or twice a year depending on local conditions. The tracking system's mechanical components should be inspected annually to ensure proper function. The system's monitoring platform provides real-time alerts for any performance issues, allowing for prompt and efficient servicing, ensuring the system operates at its peak potential.
Is this system suitable for all commercial rooftops?
This system is designed for ground-mount installations due to the dynamic loads and space requirements of the single-axis trackers. While the solar modules themselves are suitable for rooftop mounting in a fixed configuration, the tracking system is best deployed on open land adjacent to a commercial facility. This allows the trackers to operate without obstruction and simplifies access for maintenance, making it ideal for businesses with available ground space.
What warranties are included with the system?
The system comes with comprehensive, multi-tiered warranties for complete peace of mind. The TOPCon solar modules are covered by a 25-year product warranty and a 30-year linear power performance warranty, guaranteeing 87.4% of their nominal output. The string inverter and the single-axis tracker structure typically come with a standard 10-year manufacturer's warranty, with options for extension, ensuring the long-term reliability and bankability of your solar investment.

Certifications & Standards

IEC 61215 - Crystalline Silicon Terrestrial Photovoltaic Modules
IEC 61215 - Crystalline Silicon Terrestrial Photovoltaic Modules
IEC 61730 - Photovoltaic Module Safety Qualification
IEC 61730 - Photovoltaic Module Safety Qualification
IEC 62116 - Anti-Islanding Protection for Grid-Connected Inverters
IEC 62116 - Anti-Islanding Protection for Grid-Connected Inverters
UL 1703 - Flat-Plate Photovoltaic Modules and Panels
CE - European Conformity
ISO 9001:2015 - Quality Management System
ISO 9001:2015 - Quality Management System

Data Sources & References

  • •NREL PVWatts Calculator 2025
  • •CPIA China Photovoltaic Industry Development Roadmap 2023
  • •Fraunhofer ISE Photovoltaics Report 2023
  • •Lazard's Levelized Cost of Energy Analysis 2023
  • •IEC International Electrotechnical Commission Standards

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50kW Commercial TOPCon Single-Axis Solar System - High-Yield Tracking | SOLARTODO