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Dhash PV To Begin Composite Frame Manufacturing For PV Modules Photograph: (Freepik)
Indian solar equipment manufacturer DhaSh PV plans to start manufacturing composite frames for solar modules as part of its next diversification plan. Bhupendra Singh Rawat, the Chief Executive Officer (CEO) of the company, informed Saur Energy that the management aims to commence in-house production within the next six months.
The company is now in high spirits with the rapid expansion of its Gigafactory at Tumkur in Karnataka. “We have planned to produce it in India in the next six months in India. Currently, there is an arrangement where the product is being manufactured outside and we have an exclusive arrangement with the No. 1 supplier of the raw materials for composite frames globally,” he said.
Composite frames for solar modules are module frames made from advanced polymer-based composite materials instead of traditional aluminium. These frames typically use reinforced plastics—such as glass-fiber- or carbon-fiber-reinforced composites—to provide strength, rigidity and durability while reducing overall weight.
They are designed to offer several advantages: improved resistance to corrosion, lower risk of micro-cracks, better mechanical performance in extreme temperatures, and reduced lifecycle emissions because they require less energy to manufacture than aluminium. Composite frames can also simplify installation due to their lighter weight and allow manufacturers to optimise module designs for higher efficiency.
Update On Tumkur Gigafactory
Speaking about the company’s expansion efforts, Rawat highlighted significant progress at Dhash PV’s new plant in Tumkur, Karnataka. “The Tumkur plant is coming up very well,” he said, noting that production of interconnect bus bars has already commenced. Installation of junction box lines is underway, and the polymer plant is scheduled to start operations next month. The DC cable facility, he added, is currently under execution.
Rawat stated that within the next two months, the Tumkur facility will be fully operational, boosting the company’s junction box manufacturing capacity to 63 GW, supported by an equivalent capacity of polymers. This comes in addition to the 6.5 GW of interconnect bus bar capacity already online. He further revealed that the company’s interconnect bus bar capacity will reach 25 GW by March, with DC cable production beginning in the next two months.
Calling it a “first-of-its-kind facility in India,” Rawat said the Tumkur plant reinforces Dhash PV’s leadership in solar component manufacturing. “We have always been champions of innovation—from our junction boxes, which gave us leadership, to the new products we are introducing,” he remarked.
Unique Rectangular Interconnect Bus Bars
Among these new offerings are advanced interconnect bus bars featuring a flattened rectangular wire instead of the traditional circular configuration. Rawat explained that this design improves solderability, enhances mechanical strength, and boosts output for consumers. “India had capacity in place, but this level of innovation wasn’t there. Reliability has always been our priority, and this product strengthens our commitment,” he said.
Rawat also announced additional capacity expansions, including 2,000 BCD junction boxes and a backward-integrated DC solar cable line capable of producing 1,000 km per day, further strengthening the company’s portfolio.
With multiple product launches and rapid infrastructure development, Dhash PV is positioning itself for substantial growth in India’s renewable energy manufacturing landscape, Rawat affirmed.
Watch the full video interview of Mr Rawat here-