Last Updated on November 3, 2025 by Author
1. Macwin Solar currently operates an 800 MW annual solar panel production facility in Surat and plans to scale to 2 GW. What new expansion or product launches will you showcase at REI Expo that reflect this growth?
At Macwin Solar, growth is not just measured in megawatts, but in the value we create for India’s clean energy ecosystem. Our Surat facility, with an annual production capacity of 800 MW, has already made us a trusted name in reliable and high-quality solar modules. Now, we are stepping into our next phase of growth — scaling up to a 2 GW capacity that will position Macwin Solar among India’s leading solar manufacturers.
At REI Expo this year, we are excited to showcase not only this expansion but also a series of next-generation product launches. Visitors will get a first look at our upcoming high-wattage TOPCon and bifacial panels, engineered for maximum efficiency and optimized performance across diverse geographies. These products are designed to meet the needs of both large-scale utility projects and commercial installations, offering higher energy yields and better ROI.
Beyond products, we are also unveiling our roadmap for smart, AI-powered manufacturing that aligns with Industry 4.0 practices. This will allow us to deliver world-class quality with precision, speed, and sustainability. By integrating automation and green manufacturing practices, we are ensuring that our growth is both technologically advanced and environmentally responsible.
This expansion to 2 GW is more than just a capacity milestone — it reflects our vision to drive India’s solar revolution forward. Through innovation, reliability, and scale, Macwin Solar is committed to making clean energy more accessible and affordable, and we look forward to sharing this journey with the renewable energy community at REI Expo.
2. Your product line includes P-TYPE M-10 (525-560 W), N-TYPE (570-620 W), and G-12 series (595-650 W) modules. How are you enhancing module efficiency, durability, or performance with these offerings and will you be detailing the technical improvements at REI?
Our product portfolio has been carefully designed to meet the evolving needs of the solar industry. With the P-TYPE M-10 modules (525–560 W), we deliver a highly reliable and cost-effective solution that balances performance with affordability. Our N-TYPE modules (570–620 W) represent the next leap in efficiency, offering better temperature coefficients, higher bifacial gains, and longer performance warranties. Meanwhile, the G-12 series (595–650 W) is built for utility-scale projects, delivering ultra-high power output and reducing the Levelized Cost of Energy (LCOE) significantly.
At Macwin Solar, our focus is not only on higher wattage but also on enhancing real-world performance. We are integrating advanced cell technologies, improved anti-PID/LeTID resistance, stronger mechanical load tolerance, and next-gen encapsulation materials to ensure maximum durability and longer lifecycle performance. These innovations help our modules withstand diverse climatic conditions — from high temperatures to heavy wind and snow loads — ensuring consistent energy generation over decades.
Yes, at REI Expo we will be detailing these technical improvements, giving our partners and visitors an inside look into the R&D and innovation that drive our products. The Expo will also highlight how our upcoming 2 GW expansion will enable us to scale these advanced technologies, ensuring wider availability and faster delivery for both domestic and international markets.
3. Sustainability is part of your manufacturing philosophy, with green manufacturing and minimizing waste. Can you explain specific processes or innovations Macwin is implementing (or will present at REI) for eco-friendly production?
At Macwin Solar, we believe clean energy must begin with clean manufacturing. Sustainability is at the heart of our philosophy, and we are continuously investing in processes that minimize our environmental footprint.
In our Surat facility, we have adopted closed-loop water recycling systems to reduce water usage, and advanced material recovery processes to recycle silicon, glass, and aluminum, ensuring minimal production waste. We are also transitioning towards lead-free soldering materials and fluorine-free backsheets, making our modules more eco-friendly across their lifecycle.
Energy efficiency is another key focus — our upcoming 2 GW expansion will be powered by rooftop solar installations and energy-efficient equipment, significantly reducing dependence on grid electricity and lowering carbon emissions. Additionally, we are digitizing production with AI-enabled smart monitoring to cut down process inefficiencies and resource wastage.
At REI Expo, we will be presenting these green manufacturing practices as part of our commitment to not only delivering high-performance solar modules, but also ensuring that every panel we produce contributes responsibly to a sustainable future.
4. Given the emphasis on large commercial and industrial solar deployments in India, how is Macwin ensuring its modules meet grid-scale project requirements (e.g. reliability, warranty, degradation, temperature coefficients)? Will you have comparative data at REI to demonstrate this?
At Macwin Solar, we understand that large commercial and industrial solar deployments demand exceptional reliability, consistent performance, and long-term durability. Our modules are specifically engineered to meet the stringent requirements of grid-scale projects in India and globally. Some of the key measures we implement include:
- ⚡ High reliability and mechanical strength – Our modules undergo rigorous testing for wind, snow, and mechanical loads to ensure they perform under diverse environmental conditions.
- 🛡️ Long-term warranties – We offer extended product and performance warranties, giving our commercial and industrial customers confidence in their investment.
- 📉 Minimal degradation – Through advanced cell technologies and encapsulation techniques, our modules maintain high energy output over decades, reducing long-term performance losses.
- 🌡️ Optimized temperature coefficients – Our N-TYPE and G-12 series modules are designed for better thermal performance, ensuring higher energy yields even in India’s high-temperature regions.
- 🔬 Advanced quality control – Each module is tested for potential-induced degradation (PID), LeTID effects, and other reliability factors that are critical for grid-scale projects.
- 📊 Comparative performance data – At REI Expo, we will present side-by-side comparisons showing our modules’ efficiency, degradation rates, and energy yield under real-world conditions, demonstrating how they outperform conventional solutions.
Through these measures, Macwin Solar ensures that our modules are not only high-power and technologically advanced but also robust, reliable, and ideally suited for utility-scale projects. Visitors to REI Expo will get a firsthand look at our technical data and innovations, reinforcing our commitment to delivering grid-ready solutions that maximize ROI and long-term energy production.
5. What are the key challenges Macwin has faced in scaling up capacity, ensuring consistency of module quality, and supply-chain stability? How are you addressing these—especially now that demand is growing rapidly—so that partners at REI can see your readiness?
Scaling up production in the solar industry is always a complex endeavor, and at Macwin Solar, we have navigated several key challenges while expanding our Surat facility and preparing for our 2 GW capacity milestone. One of the primary challenges has been maintaining consistency in module quality at higher volumes. As production scales, even minor variations can impact performance and reliability. To address this, we have invested heavily in AI-enabled smart manufacturing, rigorous in-line quality control, and automation, ensuring every module meets our strict performance and durability standards.
Another significant challenge is supply-chain stability, particularly in sourcing high-quality cells, glass, and other critical components. Rapid demand growth can put pressure on suppliers and logistics, potentially causing delays or variability in inputs. We have tackled this by developing strategic partnerships with trusted global and domestic suppliers, maintaining buffer inventories, and optimizing procurement processes to ensure uninterrupted production.
Finally, rapid scaling also demands continuous workforce training and process standardization. We have implemented specialized training programs, standard operating procedures, and real-time monitoring systems to ensure operational excellence across all shifts.
By addressing these challenges proactively, Macwin Solar has built a production ecosystem that is robust, reliable, and fully prepared to meet the growing demands of the Indian solar market. At REI Expo, our partners will be able to see firsthand not only our advanced modules but also the systems, processes, and innovations that underpin our readiness for large-scale deployments and long-term collaboration.
6. As you’re positioning Macwin for both domestic and international markets, what export or overseas market opportunities are you targeting next? Will REI be a platform to announce new export partnerships or global certifications?
At Macwin Solar, while India remains our core market, we see tremendous opportunities in international markets where demand for high-efficiency, reliable solar modules is rapidly growing. We are strategically targeting regions in Southeast Asia, the Middle East, Africa, and select European markets where utility-scale and commercial solar projects are expanding. Our focus is on delivering high-power modules like the G-12 and N-TYPE series, which combine advanced efficiency, durability, and long-term performance — features that global customers increasingly prioritize.
REI Expo provides the perfect platform for Macwin Solar to showcase our readiness for global markets. While we will highlight our current product capabilities and large-scale manufacturing, we also plan to share insights into upcoming international partnerships and the pursuit of global certifications that validate our modules for overseas deployment. This allows both domestic and international stakeholders to witness firsthand how Macwin Solar is scaling responsibly, innovating continuously, and positioning itself as a trusted player in the global solar landscape.
7. Looking ahead 3-5 years, what is Macwin’s roadmap for innovation (e.g. bifacial modules, higher wattage, tracking, storage synergy, hybrid systems)? And in what way will your REI participation communicate that vision to potential clients and partners?
Looking ahead, Macwin Solar is focused on driving next-generation solar innovations that meet the evolving needs of both domestic and international markets. Over the next 3–5 years, our roadmap includes the development of bifacial modules, ultra-high wattage G-12 and N-TYPE series, and advanced tracking-compatible solutions to maximize energy yields. We are also exploring storage synergy and hybrid systems, enabling integrated solar-plus-storage solutions that provide greater flexibility, grid stability, and round-the-clock energy supply.
Innovation at Macwin is not limited to products alone — we are enhancing smart manufacturing, AI-driven quality control, and sustainability measures to ensure that every module performs at the highest efficiency while minimizing environmental impact. These developments are designed to reduce the Levelized Cost of Energy (LCOE), enhance reliability, and address the needs of large-scale utility, commercial, and industrial deployments.
Our participation at REI Expo is a key platform to communicate this vision to clients and partners. Visitors will experience firsthand our current high-performance modules, upcoming technologies, and insights into our 2 GW expansion. By presenting technical demonstrations, comparative performance data, and future product concepts, we aim to show how Macwin Solar is not only scaling rapidly but also pioneering innovations that define the next era of solar energy solutions.