Understanding Solar Panel Efficiency

Cubix Mark
Ground Mount Solar Array


As more people are becoming aware of the environmental impact of fossil fuels, the demand for solar energy has been growing rapidly. One of the key factors in the adoption of solar energy is the efficiency of solar panels, which has a direct impact on the cost and performance of a solar energy system. In this article, we will explore the concept of solar panel efficiency and its importance in generating clean energy.

Understanding Solar Panel Efficiency

Solar panel efficiency refers to the amount of sunlight that a solar panel can convert into electricity. The higher the efficiency, the more electricity a solar panel can generate per unit of sunlight. The efficiency of a solar panel is influenced by several factors, such as the quality of the solar cells, the type of material used, the design of the panel, and the temperature.

Types of Solar Panels

There are two main types of solar panels: monocrystalline and polycrystalline. Monocrystalline solar panels are made from a single silicon crystal and have a higher efficiency than polycrystalline panels, which are made from multiple silicon crystals. However, monocrystalline panels are more expensive to manufacture, which makes polycrystalline panels a more cost-effective option for some applications.

Factors Affecting Solar Panel Efficiency

There are several factors that can impact the efficiency of a solar panel. Understanding these factors is essential in choosing the right solar panel for your needs and ensuring optimal performance. Here are some of the key factors that can affect solar panel efficiency:

  • Quality of solar cells: The quality of the solar cells plays a crucial role in the efficiency of a solar panel. High-quality solar cells are made from pure silicon and have fewer defects and impurities that can reduce the panel’s efficiency.
  • Type of material: The type of material used in the solar cells can also impact the efficiency of the panel. Monocrystalline solar cells are known for their higher efficiency, while polycrystalline cells are less efficient but more cost-effective.
  • Design of the panel: The design of the panel can also affect its efficiency. The panel’s size, shape, and orientation can impact how much sunlight it receives and how much electricity it can generate.
  • Angle and orientation: The angle and orientation of the panel can also impact its efficiency. Solar panels that face directly south and have an angle of 30 to 45 degrees are generally considered the most efficient.
  • Amount of sunlight: The amount of sunlight that reaches the solar panel can also impact its efficiency. Shading from trees, buildings, or other obstructions can reduce the amount of sunlight that reaches the panel and reduce its efficiency.
  • Temperature: The temperature can also affect the efficiency of the solar panel. High temperatures can cause the solar cells to degrade over time, which can reduce the panel’s overall efficiency.

Improving Solar Panel Efficiency

There are several ways to improve the efficiency of solar panels. One approach is to use more efficient solar cells, such as those made from materials other than silicon, such as perovskite. Another approach is to use concentrating photovoltaic systems, which use lenses or mirrors to focus sunlight onto a small area of high-efficiency solar cells. Additionally, using a solar tracker, which follows the sun’s path throughout the day, can improve the amount of sunlight that reaches the panel and, as a result, its efficiency.

Maintaining and cleaning your solar panels is essential in ensuring optimal performance and efficiency. Over time, dust, dirt, and other debris can accumulate on the surface of the solar panels, reducing their ability to absorb sunlight and generate electricity. Regular cleaning can help remove these impurities and restore the panel’s efficiency.

In addition to cleaning, regular maintenance can also help identify and address any issues that may impact the performance of the solar panel. This can include checking for damage, loose connections, or any other issues that can affect the panel’s performance.

How Efficient are the Solar Panels we use at Cubix Power?

At Cubix Power, we understand that our customers want solar panels that offer the best balance between efficiency and price. That’s why we offer a range of solar panels that are designed to meet the diverse needs and preferences of our customers. Our team of experts can help you choose the right solar panels for your home or business based on your energy needs, budget, and location.

With our high-quality solar panels, you can enjoy clean and sustainable energy while also saving money on your energy bills. Contact us today to learn more about our solar panel options and how we can help you achieve your energy goals.


Solar panel efficiency is a crucial factor in adopting solar energy as a clean and sustainable energy source. The efficiency of a solar panel is influenced by several factors, including the quality of the solar cells, the type of material used, and the temperature. There are several ways to improve the efficiency of solar panels, such as using more efficient solar cells, concentrating photovoltaic systems, and solar trackers. As the demand for solar energy continues to grow, the development of more efficient solar panels will play a vital role in making solar energy more accessible and affordable.

If you are interested in adding solar to your home, we encourage you to take the first step by finding out if your home qualifies. At Cubix Power, we offer a free solar assessment to help you determine the feasibility of a solar energy system for your home or business. Our team of experts will evaluate your energy needs, location, and other factors to provide a customized solar energy solution that meets your specific requirements. Take the first step towards clean and sustainable energy by scheduling a free solar assessment today. 

Ready to get started?

Our team will give you a free custom solar design for your home.

You May Also Like