Due to increasing demand and recent technological advances, the efficiency of solar energy is increasing day by day.
From traditional poly panels to single-sided and bifacial modules, we are continually evolving. You may have heard of monocrystalline solar panel, but have you ever heard of Mono PERC?
Mono PERC is an advanced version of monocrystalline panels and is said to be more efficient even in low-light conditions. This guide provides a detailed guide about mono perc solar panels. You will also learn how Mono-Perc modules differ from standard modules.
Before we begin, I would like to provide a brief overview of monocrystalline and mono permanent panels.
Monocrystalline Solar Module
Monocrystalline, as the name suggests, is a solar PV module with cells consisting of a single (mono) crystal made of silicon. On the other hand, if multiple crystals are used within a single cell, it is called a polycrystalline panel. Silicon wafers are used to manufacture single crystal cells. These wafers are made by creating very thin slices of silicon spheres or ingots.
In our last post, we provided a step-by-step guide on how to make monocrystalline solar panels. See this guide for a detailed overview.
Mono Perc Solar Panel
Mono-Perc solar panels are slightly different from standard monocrystalline panels.
PERC stands for Passivated Emitter & Rear Cell and is the latest technology to increase the efficiency of standard solar modules. This is done by adding a passivation layer to the back of the cell.
Note: Passivation layers can be added to all types of PV modules (i.e. poly, mono, etc.). Mono PERC is very popular, so we only considered it.
In Mono-Perc modules, the same passivation layer is applied to the back side (back side) of the solar cell.
But what are the benefits of adding it?
To understand that, let's take a look at how both panels behave when sunlight hits their surfaces.
Sunlight that hits the surface of a standard module can be reflected, absorbed, or transmitted by the surface.
However, with the Perc module, the light that passes through the cell can be reused.
Mono-Perc modules apply a passivation layer to the back of the standard module. This layer can reflect photons emitted by the panel. This means more light is absorbed by the module, thereby increasing production. This is how Mono perc solar panels work.
Let's understand the main differences between the two solar panels (mono solar panels and mono perc solar panels) to understand which one is best for you.
Mono and Mono Perc solar panels
So far, we've learned a lot about mono and mono-perc panels. Now let's compare both based on factors such as efficiency, cost, space requirements, and temperature.
01. Efficiency
Efficiency refers to the energy in the form of sunlight that can be converted into electricity using solar panels.
More light is absorbed by the surface of the Monoperc module, increasing total production per unit area and increasing efficiency.
Conclusion: Mono-Perc solar panels have higher efficiency compared to standard mono cells.
02. Cost
In terms of cost, monocrystalline (standard) modules are slightly cheaper than Perc modules.
The additional cost associated with the use of a passivation layer in Mono-Perc modules increases the overall price. However, if you compare the price and the amount of energy produced per unit of energy, it will be the same for both modules.
However, the price per unit of energy is about the same for both technologies.
03. Space requirements
Comparing Mono-Perc modules with standard monocrystalline modules, we found that Mono-Perc modules require less space compared to standard modules.
Space requirements are the area required for a module to produce a certain amount of energy.
Conclusion: Mono perc panels require less space.
04. Temperature
Under unfavorable temperature conditions, both mono and mono-perc modules produce approximately the same amount of energy.
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