Solar panels function by capturing sunlight and converting it into DC electrical power via solar cells. This component is crucial for transforming light energy into electrical energy.
Polycrystalline solar panels are a common type of solar panel found on the market. Their affordability makes them a popular choice. As a consumer, it is helpful to first understand what polycrystalline solar panels are.
Definition of Polycrystalline Solar Panels
Polycrystalline solar panels are a type of photovoltaic panel that utilizes polycrystalline solar cells. These cells are made from semiconductor material featuring a multi-crystal, irregular structure.
The production process involves melting silicon and casting it into slabs with a crystalline pattern. Manufacturing is significantly faster, and energy consumption during production is lower.
Differences Between Polycrystalline and Monocrystalline Solar Panels
Both polycrystalline and monocrystalline solar panels are widely available on the market. While these products are extensively used, consumers often remain confused about the differences between them.
Here are the differences between polycrystalline and monocrystalline solar panels:
1. Composition
Monocrystalline solar panels are made from a single silicon crystal, whereas polycrystalline solar panels are composed of multiple silicon crystals.
In terms of production, monocrystalline panels are more complex to manufacture than polycrystalline ones, resulting in a higher selling price for monocrystalline panels.
2. Efficiency
Monocrystalline solar panels offer higher efficiency than polycrystalline panels. This is because monocrystalline panels utilize single silicon crystals that are purer and free from structural defects.
Monocrystalline solar panels typically have an efficiency rating of 15–20%, whereas polycrystalline panels usually range from 13–16%.
3. Color
Monocrystalline solar panels are deep black in color, while polycrystalline solar panels have a bluish-purple hue. This color distinction serves solely to make them easier for consumers to identify.
4. Performance
Monocrystalline solar panels perform better during adverse weather conditions, such as overcast skies or periods of low sunlight intensity. Conversely, the performance of polycrystalline solar panels is compromised during poor weather.
5. Cost
In terms of price, polycrystalline solar panels are cheaper than monocrystalline ones. A key factor is that the production process for polycrystalline panels is simpler.
Monocrystalline solar panels are more expensive but offer greater durability, making them suitable for long-term use.
Advantages of Polycrystalline Solar Panels
Polycrystalline solar panels offer numerous advantages that appeal to consumers. Here are the reasons why they are a popular choice for solar power system installations:
1. Affordable Price
Polycrystalline solar panels are more affordable due to lower production costs. This makes them a popular choice for solar power system installations.
2. Easy Installation
Polycrystalline solar panels are easier to integrate into power generation systems. Their quick and efficient installation makes them suitable for use in a wide range of locations.
Disadvantages of Polycrystalline Solar Panels
While polycrystalline panels excel in terms of price and installation, there are several drawbacks you should consider.
1. Lower Efficiency
Polycrystalline solar panels have lower efficiency compared to monocrystalline panels, typically ranging from 13% to 16%. Simply put, polycrystalline panels require a larger surface area to generate the same amount of power as monocrystalline panels.
2. Shorter Lifespan
Polycrystalline solar panels tend to have a shorter lifespan than monocrystalline panels when used continuously. However, proper maintenance and care can help extend the panels' service life. ### 3. Susceptible to high temperatures This type of solar panel is highly sensitive to high temperatures. This can result in reduced energy efficiency during periods of extreme heat.
4. Requires more space
Due to energy efficiency factors, polycrystalline solar panels require a relatively large installation area. Consequently, this type of panel is unsuitable for use in limited spaces.
5. More prone to damage
Polycrystalline solar panels are easily damaged because they are composed of small crystal fragments. This makes them susceptible to damage and degradation over time.
How Polycrystalline Solar Panels Work
Polycrystalline solar panels absorb sunlight using solar cells made of polycrystalline silicon. When sunlight strikes the solar cells, electrons are released, generating an electric current.
The generated electric current is then converted into alternating current (AC) via an inverter. This AC electricity is used to power the home.
After passing through the inverter, the electricity is distributed to the electrical panel, from where it is routed to the household's electrical appliances.
If a battery system is used, the electricity generated by the solar cells can be stored for use when sunlight is unavailable.
How Much Do Polycrystalline Solar Panels Cost?
On average, polycrystalline solar panels range from $0.90 to $1.50 per watt (IDR 14,000 to IDR 23,500). Estimated prices for this type of solar panel in Indonesia fall within the following ranges:
- 100 Watt: IDR 1,000,000 – IDR 1,500,000
- 200 Watt: IDR 2,000,000 – IDR 3,000,000
- 300 Watt: IDR 3,000,000 – IDR 4,500,000
- 500 Watt: IDR 5,000,000 – IDR 7,000,000
These figures are subject to change based on factors such as production costs, global economic conditions, and the specific design of the planned solar power system.
Applications of Polycrystalline Solar Panels
These solar panels are highly suitable for the following applications:
- Rooftop installations
- Open fields exposed to sunlight to supply power to surrounding areas
- Use in remote locations as well as for residential households
Contact a Polycrystalline Solar Panel Installation Service like Batari Energy
Batari Energy provides installation services for polycrystalline solar panels to meet electricity needs in remote areas. Backed by a team of experts, Batari Energy is capable of completing solar power system installations in rural areas.
Contact Batari Energy via WhatsApp if you wish to install polycrystalline solar panels soon. The sooner you consult with us, the sooner the installation process can begin.