Want to maximise PV efficiency? These influencing factors you need to know

Photovoltaic (PV) power is a device that generates electricity by converting solar energy into electricity, which is one of the most environmentally friendly and renewable sources of energy available. However, the amount of electricity generated by a PV station is not always fixed and is affected by many factors, such as the quality of the PV panels, placement, location, weather, type of racking, etc. The following will explain how these factors affect the efficiency of electricity generation.

Firstly, natural factors such as light and weather are the main factors affecting the power generation of PV panels

The power generation efficiency of PV panels is greatly increased when there is sufficient sun exposure. Therefore, geographic location and seasons have an impact on the amount of electricity generated by PV panels, for example, in sunny areas and during the summer months, PV panels will be more efficient in generating electricity. While in rainy or cloudy weather, the power generation efficiency of PV panels will be affected somewhat because the sunlight cannot fully reach the PV panels.

But does this mean that the higher the temperature is, the higher the power generation efficiency of PV panels must be? The answer is just the opposite, the temperature is also one of the factors affecting the power generation efficiency of PV panels, when the temperature is too high, the power generation efficiency of PV panels will be reduced, so it is necessary to take measures to reduce the temperature to improve the power generation efficiency of PV panels.

Secondly, the quality and cleanliness of the PV panels themselves will also affect the power generation efficiency

The power generation efficiency may be reduced in different levels due to hidden cracking of the panels, oxidation, false welding, shortage of backplane materials or aging of the equipment, and so on. In addition, the cleanliness of PV panels also affects their power generation efficiency. Dust, dirt and other debris can reduce the light transmission of PV panels, thus affecting their power generation efficiency. In addition, shadows or shading may also lead to the "hot spot effect", which does not provide a contribution to power generation, but instead leads to a partial increase in the temperature of the panel, resulting in a drop in the light transmittance of the area, further reducing the efficiency, and leading to a vicious circle. Therefore, the staff should regularly check the equipment, regularly clean the PV panels, to maintain the normal operation of the equipment, which is an important way to maintain its efficient power generation.

Third, the type and quality of the PV mounting system

Regularly speaking, PV racking is different according to the terrain, location and use, there are concentrated ground-type (single-axis, dual-axis, adjustable), BIPV, PV racking for carport, tracking PV racking and other types. Different types can be used in different scenarios, which may result in very different power generation efficiencies. And according to the different materials and thickness of the bracket, it may make the quality and durability of the PV bracket different, and there are numerous cases of poor-quality bracket leading to the collapse of the whole solar PV power station which affected the power generation. Therefore, as an important part of the photovoltaic system, the type and quality of the PV bracket will also have a direct impact on the power generation efficiency.

 Yizhao has always been committed to producing high-quality PV mounting products, strictly control the quality of products, and according to the customer's terrain, design drawings, application scenarios, power generation needs to provide different mounting solutions, high-quality products will be recommended to the most suitable customers!

Overall, the amount of electricity generated by a PV plant is affected by a number of factors, including light, weather conditions, cleanliness and quality of the PV panels and the type of PV mounting. Therefore, when using PV products to generate electricity, these factors need to be taken into account in order to improve their power generation efficiency and achieve more efficient energy use.