According to new data from the Solar Energy Industries Association (SEIA), the United States is restoring domestic manufacturing of the entire solar supply chain. With a recent announcement of Corning’s new ingot and wafer facility coming online in Q3, the United States now has the capacity to produce every major component of the solar supply chain.
SEIA’s Solar & Storage Supply Chain Dashboard also shows that since the end of 2024, domestic manufacturing capacity has increased “across every major segment of the solar and storage supply chain,” and as of last month, the U.S. has surpassed 60 GW of domestic solar module production capacity – a 37% increase from last December.
Manufacturing of inverters, which convert electricity produced by solar and stored by energy storage into usable power for the electric grid and most home appliances, has grown by nearly 50% since the end of last year. Mounting system manufacturing has also continued to grow since 2024, growing 14% and adding 23 new factories.
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