Solarium Green Energy is set to re-enter solar module manufacturing with the establishment of a new, fully automated 1 GW production line in Ahmedabad, Gujarat. The rooftop solar solutions provider had previously operated a 100 MW polycrystalline module facility launched in 2018 but shut it down following the Ministry of New and Renewable Energy’s (MNRE) implementation of the ALMM (Approved List of Models and Manufacturers) mandate, which required a minimum module efficiency of 19%.
The new 1 GW facility, to be set up at an estimated project capex of INR 70 crore plus requisite working capital, will be funded via a mix of debt to equity in a ratio of 3:1. It is set to start commercial operation in the fourth quarter of the current fiscal year 2025-26.
Solarium stated that this backward integration is part of its strategy to cut project costs. In EPC projects, solar modules typically account for 50–60% of the total project cost. By setting up an in-house module manufacturing facility, the company aims to mitigate cost volatility, expedite project execution, and secure its supply chain along with improvement in margins.
The facility will focus on the production of crystalline silicon solar PV modules, based on advanced technologies such as TOPCon cells, half-cut cells, and bifacial cells, utilizing imported tabber-stringers, laminators, and sun simulators to ensure high-quality output and efficiency.
“We are excited to re-enter the manufacturing space and are confident of the synergy this module manufacturing will bring to our supply chain,” said Ankit Garg, chairman and managing director, Solarium. “There are three key components in a solar plant; solar module, inverter & structure. At 85% plant utilization, the plant can generate a revenue of INR 1,000+ crore annually if modules get sold in the market. With captive consumption of modules, by eliminating third-party markups, we expect the gross margin to improve by 5%–8% in the projects where these modules will be used.”
Solarium is also entering the manufacturing of structures—one of the three core components of a solar plant—at its existing facility in Bavla, Gujarat. This move will further enhance execution capabilities and reduce project timelines. In line with its integrated strategy, Solarium recently announced a collaboration with WattPower Systems to expand the distribution of high-quality solar inverters across Madhya Pradesh and Maharashtra.
The Ahmedabad manufacturing facility is aimed at mitigating supply chain risks arising from trade-related disruptions, geopolitical uncertainties, and price volatility. Any additional capacity available post captive consumption will be used to cater the other EPC players/B2B segment by selling the solar modules alone.
Founded in the year 2018, Solarium is a provider of turnkey solar solutions, offering a complete range of services such as design, engineering, procurement, testing, installation, commissioning, and full-scale operation and maintenance (O&M), along with a variety of solar products such as PV modules, inverters, and Availability Based Tariff (ABT) meters. The company has executed 65+ MW projects across 18,000+ homes via in-house sales team and 350+ channel partners. It also caters to commercial & industrial projects and Government projects with 35+ MW rooftop projects and 30+ MW ground mounted projects executed over the years.
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