300-400MW Full-Auto Solar Panel Production Line
Fully compatible with single-glass and double-glass modules, supports 156–230mm PERC, TOPCon, BC, and HJT cells, and offers busbar configurations from 3BB to 20BB
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Details Introduction
This fully automated 300–400 MW PV module production line is designed for manufacturers seeking economies of scale and high production efficiency, with high capacity and stability as its core design objectives. The line integrates all critical processes—from cell stringing to finished module assembly—into a turnkey solution that is customized to meet specific factory capacity, layout, and automation requirements.
The production line accommodates both single-glass and double-glass modules and is compatible with 166–230mm solar cells, including PERC, TOPCon, HJT, and BC technologies—as well as busbar configurations from 3BB to 20BB. Optimized for high-volume, standardized manufacturing, the line delivers high output, stable operation, and consistent quality, making it ideal for deployment in large-scale PV manufacturing facilities.
Solar Panel Production Line Manufacturing Process
Parameter
| No. | (300MW)Equipment | Qty |
| 1 | Auto glass loading machine | 2 |
| 2 | 7200 High Speed Stringer | 2 |
| 3 | Robot Layout Machine | 2 |
| 4 | First EVA Cutting and Laying Machine | 1 |
| 5 | 90° Turning Transfer Machine | based on the layout |
| 6 | Buffer Machine | 5-6 |
| 7 | Transfer Machine | based on the layout |
| 8 | Auto busbar welding machine | 1 |
| 9 | Second EVA Cutting and Laying Machine | 1 |
| 10 | TPT Cutting and Laying Machine | 1 |
| 11 | EL Testing Machine | 2 |
| 12 | Horizontal Rotation Machine | based on the layout |
| 13 | Mixture Feeder | 2 |
| 14 | Lamination Machine | 1 |
| 15 | Lift | 2 |
| 16 | Post-Lamination Transverse Folding Transfer Machine | 1 |
| 17 | Automatic Edge Trimming Machine | 1 |
| 18 | Flip Testing Table | 2 |
| 19 | Gluing and Framing Integrated Machine | 1 |
| 20 | Junction Box Glue Dispensing and Installation Machine | 1 |
| 21 | Junction Box Welding Machine | 1 |
| 22 | Fully Automatic Junction Box Glue-filling Machine | 1 |
| 23 | Curing Loading/Unloading Machine | 1 |
| 24 | Curing Chain Plate Machine | 1 |
| 25 | 180° Flip Machine | 2 |
| 26 | Hipot Tester | 1 |
| 27 | Automatic Labeling Machine | 1 |
| 28 | Robot Sorting and Packing Machine | 1 |
Keyword:
300-400MW Full-Auto Solar Panel Production Line
What Production Capacity Can a 300–400MW Solar Panel Production Line Achieve?
A 300–400MW solar panel production line is designed for manufacturers targeting large-scale module production with a high level of automation. The actual annual output depends on factors such as module power, production hours, equipment cycle time, and line utilization. A properly balanced full-automatic line helps maintain stable throughput across stringing, layup, lamination, framing, and testing, making it suitable for continuous high-volume solar panel manufacturing.
What is the Solar Panel Manufacturing Process?
Cells are loaded by an automatic loader. For half‑cut or third‑cut, cells go through a laser scribing machine for precise splitting. The cells are then fed into a stringer, where ribbons are soldered to form cell strings. After stringing, a bussing machine interconnects the strings, followed by layup, lamination, framing, junction box attachment, and final testing (EL and flash test). The stringer machine and laser scribing machine are the most critical pieces, they determine breakage rate and soldering quality.
How to Calculate Annual Energy Production From Solar Panels?
Simply multiply the total panel power (in kW) by the annual peak sun hours in your location, then apply a system efficiency factor, typically around 80%, to get a rough estimate. But from a manufacturing equipment perspective, what matters just as much is ensuring that processes like stringing and lamination don’t introduce micro‑cracks or poor soldering, because those issues will directly reduce the panel’s actual output.
Is BC technology the Future?
BC (Back Contact) technology is undoubtedly a key direction for next-generation high-efficiency PV modules. Its busbar-free front side offers not only superior aesthetics but also significantly reduces shading, leading to higher light absorption and increased power output. Rather than simply declaring BC as the only future,In fact, BC is a platform technology that can be combined with techniques such as Topcon HJT and perovskite tandem cells to squeeze out the last drop of efficiency gains.
Therefore, we believe BC technology will remain at the forefront of the upcoming technological transformation, making now the opportune moment to invest in BC.
Contact us
Address: 5 Xingfu Road, Miaoshan Development Zone, Jiangxia District, Wuhan City, Hubei Province, China
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