Solar Panels Companies and Manufacturers in the USA
A guide to the top suppliers, manufacturers, and distributors of solar panels in the USA, including the top featured solar panel suppliers on Thomas.
First Solar, Hanwha Q Cells, Canadian Solar, T1 Energy, and Illuminate USA are the top 5 solar panel manufacturing companies in the US, ranked based on their production capacity in 2025. Are solar panels manufactured in the USA? Yes, solar panels are manufactured in the USA.
First Solar is the largest manufacturer of solar panels in the US with a production capacity of 10.6 GW as of June 2025. It has two manufacturing capacities in Ohio and Alabama. Check out the top solar panel manufacturers in the US, such as First Solar, Hanwha QCELLS, Canadian Solar, T1 Energy, and Illuminate USA.
Illuminate USA is an advanced solar panel manufacturing company based in Pataskala, Ohio. It is majorly owned by Invenergy, a U.S.-based renewable energy developer, and Chinese solar LONGi Green Energy Technology. It was founded in 2023. Illuminate USA is a leading U.S. solar panel manufacturer that operates about 1.1 million-square-foot facility.
Thomas has more than 580 solar panel suppliers across the US. As you can see in the infographic below, these solar panel companies are geographically distributed across the country, with a large majority (174) located in California. Florida follows with 45, then New York with 40, Texas with 35, New Jersey with 34, and 32 in Pennsylvania.
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