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Last updated: January 2026
This directory lists 20 solar panel manufacturers usa across the United States, from large-scale utility-grade PV module producers to specialized Building-Integrated Photovoltaics (BIPV) suppliers.
Buyers in this sector are primarily solving for secure, transparent supply chains, leveraging domestic content incentives, and ensuring long-term product reliability. The quest often involves optimizing the cell-to-module (CTM) ratio for higher system efficiency, securing access to next-generation N-type bifacial modules, and mitigating geopolitical risks inherent in global sourcing.
Supplier types vary significantly, ranging from integrated manufacturers that produce cells and assemble modules, to those focused purely on module assembly from imported cells, and even niche players specializing in custom form factors like thin-film or flexible panels for specific applications. Understanding their exact scope of manufacturing within the US is critical.
Successful engagement requires buyers to arrive with clear specifications regarding module power output, physical dimensions, desired certifications (e.g., UL 1703, UL 61730), project volume, and a realistic timeline for delivery. Suppliers expect detailed Requests for Quotation (RFQs) that clarify target pricing, warranty expectations, and any specific domestic content verification requirements.
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20 companies nationwide
Based in San Jose, CA, Auxin Solar Inc. is an Original Equipment Manufacturer (OEM) of solar panels. The company operates a US manufacturing facility in Silicon Valley, offering short product lead times, quick delivery, and real-time support. They ensure quality with a 25-year performance guarantee.
Based in Rogers, MN, Heliene manufactures high-quality solar photovoltaic modules in its American facilities. The company emphasizes short supply chains, ensuring its modules are not delayed in port, offering reliable domestic production.
Based in Santa Clara, California, MiaSolé Hi-Tech Corp. manufactures flexible, lightweight, and powerful solar modules. The company specializes in pioneering advanced thin-film CIGS solar technology, offering a robust alternative to conventional rigid solar panels. They provide high-performance FLEX modules designed for diverse applications requiring durable, flexible energy solutions.
Based in San Antonio, TX, Mission Solar manufactures high-efficiency, American-made solar modules for residential, commercial, and industrial applications. They produce advanced N-type bifacial dual-glass modules and 108 half-cut cell panels, proudly manufactured in Texas to support American jobs and ensure quality standards and reliable delivery.
Based in Ames, IA, PowerFilm Solar, Inc. designs and manufactures custom solar cells, panels, and power solutions. Utilizing proprietary thin-film or high-efficiency crystalline PV technology, they serve energy harvesting, portable, and remote power applications across IoT, transportation, military, and consumer markets.
Based in Houston, TX, SEG Solar manufactures PV modules with a fully integrated US supply chain. The company produces high-efficiency solar panels, including Alpine N and Yukon Black Diamond Series, for utility, commercial, industrial, and residential projects. They highlight U.S. manufacturing and compliance.
Silfab Solar Inc. manufactures high-efficiency solar panels, engineered for the North American environment. Operating fully automated production lines in Washington and South Carolina, the company delivers reliable, high-quality American-made panels. They provide solar solutions for residential, commercial, and utility clients, focusing on advanced technology.
Sirius PV USA manufactures and assembles solar panels in Texas, leveraging AI-driven quality assurance and fully automated production processes. The company prioritizes transparent manufacturing and ethical sourcing, providing high-quality, reliable solar modules and supporting the local US economy.
Trina Solar is a global provider of solar photovoltaic (PV) products and solutions, serving residential, commercial, and utility-scale customers. The company manufactures solar panels and has announced plans to build a large-scale manufacturing facility in Wilmer, Texas, demonstrating a commitment to US production.
Verde Technologies manufactures lightweight, flexible solar panels in the U.S. utilizing advanced perovskite technology. Their products are designed to achieve high efficiency and be significantly lighter than traditional silicon panels, offering a lower cost per watt for solar energy production.
Based in Tempe, AZ, First Solar is a major American manufacturer of advanced thin-film photovoltaic (PV) modules. The company designs and manufactures high-quality solar panels, providing comprehensive solutions for utility-scale PV power plants with a focus on sustainable energy production.
Based in Pataskala, OH, Illuminate USA is an American advanced manufacturer of cutting-edge bifacial solar panels. Operating North America's largest single-site facility, they supply domestic residential and utility-scale markets. The company focuses on onshoring its supply chain and utilizing American-made materials for production.
Based in San Jose, CA, SoloPower Systems manufactures lightweight, flexible thin-film solar modules utilizing proprietary CIGS technology. They provide powerful photovoltaic (LPV) solutions optimized for large-scale rooftop applications, emphasizing ease of installation and reduced balance of system costs with "No Penetrations" systems.
Based in Norcross, GA, Suniva is a leading US manufacturer of monocrystalline solar cells. Founded in 2007, the company is recognized as one of North America's oldest and largest producers in the solar industry supply chain, providing essential components for solar panel manufacturing.
Tandem PV, Inc. is a U.S. company developing and commercializing a new generation of high-efficiency, durable perovskite solar panels. They aim to restore U.S. leadership in solar manufacturing, producing panels with 29% efficiency and targeting up to 40%.
Based in Michigan City, IN, Hightec Solar is an American manufacturer producing high-quality solar panels. They offer 36, 60, and 72 cell panels designed for affordable, high-performance solar power systems. The company serves customers building new off-grid setups or seeking to upgrade existing installations with more efficient solutions.
Based in Thornton, CO, Ascent Solar Technologies, Inc. manufactures flexible, lightweight thin-film PV solar panels. Utilizing proprietary CIGS chemistries and advanced high-speed roll-to-roll processes, their resilient panels are designed for diverse applications. These include agrivoltaics, drones, and demanding space and defense environments.
Boviet Solar, based in San Diego, CA, specializes in manufacturing advanced monocrystalline PERC and N-Type solar cells. They also produce Gamma Series™ monofacial and Vega Series™ bifacial solar modules, offering comprehensive solar panel manufacturing solutions.
Imperial Star Solar, based in Irvine, CA, is an American solar manufacturer delivering precision-built, customizable solar modules, PV cells, and PV wafers. With deep Tier 1 experience and Texas production, they offer an integrated, reliable, and transparent US-based supply chain tailored for domestic content and technical needs.
US Modules operates a solar panel manufacturing facility in Hempstead, TX, with an annual capacity of 1 GWp. The company specializes in producing high-quality solar modules, with its factory running around the clock to serve the US market with domestically manufactured solar solutions.
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The Inflation Reduction Act (IRA) offers significant tax credits for projects utilizing PV modules that meet specific domestic content thresholds. This means a substantial portion, typically measured by cost, of the module's components (like cells, wafers, frames, backsheets) must be manufactured in the US, not just final assembly. Overlooking the granular origin of these sub-components is a major trap for buyers seeking these credits.
UL 1703 is the foundational safety standard for PV modules, covering aspects like fire safety, electrical safety, and mechanical loading. UL 61730, however, is a more comprehensive and globally aligned standard (harmonized with IEC 61730) that addresses additional safety requirements, including specific fire ratings (Class A, B, C) and expanded mechanical load testing. For many modern installations, particularly roof-mounted, both are increasingly expected or required.
The US manufacturing landscape is evolving rapidly. While PERC (Passivated Emitter Rear Cell) monocrystalline modules still dominate much of the installed base, an increasing number of US manufacturers are investing heavily in N-type cell technologies like TOPCon (Tunnel Oxide Passivated Contact) and HJT (Heterojunction Technology). It's crucial to specify your preference, as not all US factories have transitioned to these higher-efficiency, lower-degradation cell types yet.
A standard 25-year performance warranty and 10-12 year product warranty are common. Beyond the stated terms, scrutinize the manufacturer's financial stability and operational history to ensure they'll be around to honor claims. Look for evidence of third-party warranty insurance or reputable re-insurance, especially for smaller manufacturers. Understand the claims process, required documentation, and domestic support structure.
Go beyond basic certifications by inquiring about their in-house testing capabilities, such as electroluminescence (EL) testing for micro-cracks, thermal cycling (TC), humidity-freeze (HF), and damp heat (DH) tests that exceed standard requirements. Ask about their statistical process control (SPC) data, supplier qualification for raw materials, and factory audit reports (e.g., ISO 9001, 14001) to gauge their commitment to consistent quality.