1. StandardsSolar CellsBoard size
Traditional solar panels come in two common configurations: 60 and 72 cells.
The corresponding dimensions are:
60Photovoltaic modules: 1.635 m2 (1.65 mx 0.991 m)
72 PV panels: 1.938 m2 (1.956 mx 0.991 m)
Note: There are now larger area, larger size and higher energy efficiency modules on the market. In this article, we only talk about 60-cell and 72-cell modules as examples.
One of the first questions people ask when choosing to install photovoltaics is, “Where do I want to build my system?” Solar panels take up a considerable amount of space, and not every roof has enough room to accommodate them.
This article will cover standard solar panel sizes and explain how to determine how many solar panels you need for your PV system. From there, you can calculate the PV capacity size to estimate annual power generation and revenue.
Solar cells are the smallest photovoltaic conversion unit, usually in the common size of 156mm x 156mm. The operating voltage of solar cells is about 0.5V, and they generally cannot be used alone. When solar cells are packaged in series and parallel, they become photovoltaic modules.
A solar cell is a 156 mm x 156 mm square. 60 panels are arranged in a 6 x 10 grid. 72 panels are arranged in a 6 x 12 grid, and their height is about 3 to 4 centimeters.
Note: The mainstream battery sizes on the market now are 166, 182, 210 and other specifications.
60 PV panels: 1.635 m2 (1.65 m x 0.991 m)
72 PV panels: 1.938 m2 (1.956 mx 0.991 m)
These are the standard solar panel sizes installed in most residential and commercial and industrial projects, leaving a few dozen millimeters of space on each side of the module. (There are some differences as manufacturers use different frame sizes).
2. How many modules can I install on my roof?
At present, the household photovoltaic market generally uses high-power modules, such as 490W, 535W, 550W and other models. Using high-power modules on limited roof space can improve utilization and increase power generation income per unit area.
The roof area determines the maximum capacity of the photovoltaic power station you can install. According to the current power of photovoltaic modules, it takes about 8 square meters to install 1KW; if you want to install a 15KW photovoltaic power station, you need a roof area of about 100 square meters.
If we install a 15KW household photovoltaic power station, the number of high-power components and small-power components used.
15000W/490W≈30 pieces
15000W/330W≈45 yuan
Here we compare small-power modules (330W) with large-power modules (490W) to understand the roof space occupied by the PV array.
330W panel size: 1855*1092*40mm
490W solar panel size: 2187*1102*35mm
In general, a standard residential solar system will take up between 100 and 200 square metres of roof space. The system can be mounted on your roof or on the ground somewhere on your property (e.g. on a bungalow, over a carport). The exact size will depend on the wattage of the modules and the layout of the array.
3. How big are portable/rv solar panels?
Choosing the right panels for your future boat or RV will go a long way toward extending your leisure time. While there are some standard-sized panels that are mounted on individual vehicles or boats, most vehicles and boats don't have the space to mount them, so smaller panels are needed to fit. Typically, these panels have a standard 12 or 24 volt output.
4. How much do solar panels weigh?
In addition to the size of the panels, people often ask us about the weight of solar panels. Photovoltaic panels can be heavy, and lifting them onto a roof can be a challenge, especially when you are working alone. As a rule of thumb, full-size panels weigh between 18-35KG, and this varies depending on the product used by the manufacturer.
English 
Chinese 
Japanese 
Spanish 
Russian 
Dutch