Quanta elettricità può generare un pannello fotovoltaico in un anno?

If someone suddenly asks you, how much electricity can a photovoltaic panel generate in a year? Probably many people will be stunned, yes, how much? This involves two determinants of photovoltaic power generation:

First, the power generation of photovoltaic panels.

Second, the installation area of photovoltaic panels.

In the same area, the higher the power generation of photovoltaic panels, the shorter the time it takes to generate 1 kWh of electricity and the higher the power generation in one day.

Photovoltaic panels generate electricity only when there is sunlight. Therefore, electricity cannot be generated at night. Similarly, in strong winds, smog, rain, and snow, it is almost impossible to generate electricity. That is to say, photovoltaic power generation is closely related to the installation area. Different resource areas, the same type of photovoltaic panels, will also generate different amounts of electricity. In some places, there is enough light, which is inherently advantageous.

Calculate an average value, a photovoltaic panel can generate almost 400 degrees (theoretical value) electricity a year.

Why is it a theoretical value? This is because, in addition to the power generation of photovoltaic panels and the installation area (annual equivalent utilization hours), photovoltaic power generation is also restricted by external factors, such as installation angle and orientation, local climate, Connection line material, surface cover, etc.

Installing photovoltaic panels requires an installation angle and orientation so that the photovoltaic panels can fully receive sunlight and perform their best functions. If you install it indiscriminately, people have an angle, you lay it flat; people sit north to south, but you sit south to north, which is contrary to science, but it will affect the power generation !

Days of rain, snow, haze for a long time, sandstorms, etc., even the sun can’t be seen, and even the best photovoltaic panels can’t generate electricity.

If you use low-quality cables and other lines, the electricity will be secretly leaked, and it will be useless to send more and more accidents will occur. This shows the importance of the material.

The shielding of photovoltaic panels should be cleaned from time to time. For example, if there is a big tree near the photovoltaic panel, or a tall house, and the total light is not enough for a few hours, how can it fully generate electricity. That’s a question of location. Or, the local wind and sand are heavy, so they can only install photovoltaic panels, but they are not carefully maintained, and the panels are covered with dust and cannot fully generate electricity.

All of the above are factors that affect photovoltaic power generation, so if you want to generate more power, you have to maintain and care for it.

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