Our team has decades of knowledge developing solar power technology.  Toledo Solar is a values-driven solar power technology company dedicated in advancing solar power for the future.

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CdTe PV Modules Vs. Silicon PV Modules
A Technology Comparison

“CdTe is already a success story. It supplies 40% of the U.S. utility-scale photovoltaic (PV) market and 8% of the world market. It is competing successfully with imported silicon. And it is the only scaled PV technology compatible with fully U.S.-based manufacturing. Among other PV technologies, CdTe also has the lowest environmental footprint, the lowest all-in cost structure, and the lowest degradation rate. Yet CdTe technology is only at its beginning, with much more potential lying in the future.”

The Silicon Problem

The average Silicon production cycle requires roughly 5 manufacturing plants and immense labor and energy.

Silicon Modules are sensitive to heat, hail, and cell cracking.  

CdTe vs. Si

CdTe Advantage over Si Modules

  • Silicon PV cells are fragile, crack very easily and are subject to heat overload failure- even on cool days. 
  • More than 90% of Silicon PV Solar cells are made in China. 
  • Silicon PV semi-conductors are sensitive to mild heat, and are NOT well aligned with the Sun’s light spectrum. 
  • Silicon PV modules are subject to global semi-conductor shortages. 
  • Silicon PV is reliant upon forced labor. 
  • Silicon requires large amounts of electricity to manufacture.
  • Silicon PV manufacturing uses ‘dirty’ energy derived from coal.  

CdTe Solution

Higher Power Longer Life

CdTe has the longest lifespan, requires less installed kW's (Kilowatts) of installed power, and generates more power per year than Silicon PV modules.

Cadmium Telluride PV Semi Conductors (CdTe) are the second most prevalent PV technology in the world, second only to crystalline silicon. CdTe thin-film solar cells can be manufactured quickly and inexpensively, providing a lower all-in cost compared to conventional silicon-based technologies.

Lifetime durability

Toledo Solar’s sleek black panels are fabricated using two sheets of high-strength tempered glass hermetically laminated in a frameless construction.
By contrast, silicon panels typically comprise many parts soldered together that are easily damaged by wind, hail, transport, installation and frequent cleaning in the field.

Responsible Recycling

Thin-film CdTe panels are 100% recycled in a special-purpose facility, with over 90% of all materials being reused, whereas silicon panels are mostly scrapped in local landfills, creating a major hazardous waste problem.

Environmentally friendly

Silicon PV solar cells require 2.5 times more energy to fabricate and are not recycled. CdTe is 100% recycled on an end of life recycling program, and all modules are made from 99% recycled materials by weight.

Production efficiency

CdTe means less need for as many installed kW's than Silicon = the fastest Payback Period in the industry.

More Power

Thermal coefficient

The power output of silicon panels drops significantly as the module is exposed to warm temperatures. CdTe panels are far less affected by heat.

Humidity resistance

Toledo Solar panels are more efficient in humid climates.

Spectral efficiency

CdTe captures more sunlight silicon, giving it more total useable power output over the course of a day.

Factory-rated efficiency artificial laboratory conditions doesn’t always equate to performance in the field which must be measured in real-life useable energy (kWh) which is what end-users customers pay for.
Over 25 years of real-life service, Toledo Solar’s Black Onyx line of CdTe panels generate more Kilowatt hours of useable energy per day over a year than any other technology on the market today.

Cad-Tel panels have the highest 25-year ROI and lowest Levelized Cost of Energy (LCOE) in real world conditions of heat, humidity and harsh weather conditions because of their unique material properties and their unique industrial strength manufacturing process using two panels of tempered glass which makes them more durable.