Our Manufacturing

Solar Panel Manufacturing

SOLAR PANEL INSTALLATION

Manufacturing solar panels involves several steps that include the production of individual solar cells, assembling them into modules, and finally, packaging them for distribution.

1. Silicon Ingot Production: The primary material used in most solar panels is silicon. To create the ingots, high-purity silicon is melted and then slowly cooled to form large cylindrical blocks called ingots.
2. Wafer Production: The silicon ingots are sliced into thin wafers using a wire saw. The wafers are typically around 150-200 micrometers thick.
3. Solar Cell Production: The silicon wafers are then processed to create solar cells. This involves several steps, including cleaning, texturing the surface to increase light absorption, applying a phosphorous diffusion to create an N-type layer, and applying a boron diffusion to create a P-type layer. Metal contacts are added to collect the electrical current generated by the cell.
4. Cell Testing: The individual solar cells are tested for efficiency, electrical output, and quality control.
5. Module Assembly: The solar cells are interconnected to form a module or panel. Multiple cells are soldered together, usually in a series-parallel configuration, to achieve the desired voltage and current output. A protective backsheet, typically made of a polymer, is applied to the back of the cells. A tempered glass front cover is also added for protection and durability.
6. Encapsulation: The interconnected cells and wiring are encapsulated with a layer of ethylene-vinyl acetate (EVA) or similar materials. This encapsulation protects the cells from moisture and mechanical damage.
7. Framing: The solar panel is framed with aluminum or another suitable material to provide structural support and facilitate installation.
8. Testing and Quality Control: The completed solar panels undergo rigorous testing to ensure their performance and durability meet industry standards. This includes electrical testing, insulation testing, and visual inspection.
9. Packaging and Distribution: Once the panels pass the quality control tests, they are packaged and prepared for distribution to customers, installers, or retailers.