WASHINGTON, D.C. — Companies across the United States are investing in record-levels of solar and energy storage to power their operations. According to the Solar Energy Industries Association's (SEIA's) new Solar Means Business. Contact online >>
WASHINGTON, D.C. — Companies across the United States are investing in record-levels of solar and energy storage to power their operations. According to the Solar Energy Industries Association''s (SEIA''s) new Solar Means Business...
BOSTON, Mass. — Today the Massachusetts Legislature passed Senate Bill 2967, critical bipartisan legislation that addresses key challenges facing the solar and storage industry in the Commonwealth. The bill now goes to Governor Maura Healey''s...
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The Solar Energy Industries Association® (SEIA) is leading the transformation to a clean energy economy. SEIA works with its 1,200 member companies and other strategic partners to fight for policies that create jobs in every community and shape fair market rules that promote competition and the growth of reliable, low-cost solar power.
Founded in 1974, SEIA is the national trade association for the solar and solar + storage industries, building a comprehensive vision for the Solar+ Decade through research, education and advocacy.
Last Update: November 2024
Key U.S. Solar and Energy Storage Manufacturing Stats:
A strong U.S. solar and storage manufacturing base can reduce supply chain uncertainty, drive clean energy deployment, and strengthen America''s energy security.
Federal policies that directly support domestic manufacturing (Section 45X tax credit, Section 48C tax credit), solar deployment incentives (ITC and PTC), and policies that encourage demand for domestic products (domestic content adder credit) have worked in tandem to lead to a boom in U.S. solar and energy storage manufacturing investments. These incentives help make American solar and storage manufacturing more competitive in the global market.
According to the SEIA supply chain dashboard, there have been more than 100 new solar and storage manufacturing announcements since federal manufacturing incentives were established. New manufacturing announcements reflect:
There are two main module technologies that serve the solar market: thin film and crystalline silicon. Thin film module production uses a monolithic manufacturing process where photovoltaic materials are deposited onto substrate such as glass. Crystalline silicon (c-Si or CSPV) module production is a multistep process that includes polysilicon, ingots, wafers, cells, and modules.
The module supply chain includes polysilicon, ingots, wafers, photovoltaic (PV) cells, modules, glass, backsheets, PV wire, encapsulants and more.
In the PV module supply chain, it can take years to build new facilities. The further up the supply chain (further left on the graphic above), the longer the building time, which includes steps like siting, permitting, construction, interconnection and commissioning. This means some of the announced capacity has yet to reach commercial production. New factory openings and more announcements will continue over the next several years.
Since the passage of new manufacturing tax credits, there have been investments to build and expand across the whole solar module supply chain, including ingots, wafers, and cells. Before the federal manufacturing incentives were enacted, there was 41,500 MT/year (approximately 16.6 GW) of polysilicon capacity 7 GW/year of module manufacturing capacity. Polysilicon capacity is expected to come online in the next few years. Suppliers expect the first ingot, wafer, and cell facilities to come online by the end of 2024. To date, there has been the strongest growth in module manufacturing, growing from 7 GW prior to the federal manufacturing tax credits to 39.5 GW as of August 12, 2024, which is an increase of over 450%.
Solar mounting allows panels to be placed together in solar arrays and creates the main structure for mounting systems onto building roofs or into the ground.
Solar mounting systems provide structural support, electrical bonding and grounding, cable management, spacing, sometimes tracking, and even wind and hail mitigation. Mounting system components being manufactured in the United States include rails, purlins, mounts, spacers, torque tubes, slew drives, linear actuators, wind deflectors, dampers, ballast, rubber gaskets, drills, support beams, and more.
Mounting systems manufacturing facilities have also benefited from the passage of the federal manufacturing tax credits. To date, 26 racking facilities have either announced new facilities or expansions of existing ones. This is a 50% increase in the number of mounting systems manufacturing locations in the United States. American-made solar mounting systems means demand for U.S. steel and aluminum extrusions, demonstrating the secondary impact solar manufacturing can provide to the rest of the manufacturing industry.
Due to the relatively quick time it takes to get a mounting systems facility online (6-12 months), many of the facilities announced in the immediate wake of the federal manufacturing tax credits have already come online. The success of initial investments has spurred new announcements.The buildout of U.S. mounting systems impacts all market segments. Of the mounting system facilities announced since the passage of federal manufacturing tax credits, 26 of the facilities serve the utility-scale market, 4 facilities also serve the residential market, and another 11 serve the commercial & industrial and community solar markets.
Power electronics and grid technologies help convert the direct current (DC) produced by solar modules to alternating current (AC) used in distribution and most transmission lines. Power electronics manufacturing includes inverters, printed circuit boards (PCBs), combiners, cables, transformers, grain oriented electrical steel (GOES), amorphous steel, large power transformers wires, and similar electrical products.
The federal manufacturing tax credits and incentives for using American manufactured products have made domestically produced inverters more competitive, benefiting both PV and battery energy storage systems (BESS). Since its passage, 18 power electronics suppliers have either announced new facilities or expansions of existing ones. Of the new investments, four will manufacture hybrid inverters (those that serve PV and BESS), two will manufacture microinverters, and one will manufacture string inverters specifically designed for the utility-scale market. Another seven will make electrical balance of systems items (e.g. junction boxes, wires, and combiners) and four will make transformers.
Battery cell and pack facilities that were announced thanks to federal manufacturing tax credits have begun to come online. Additional cell and pack capacity expected online over the next few years, as downstream battery manufacturing takes years to come online. Midstream processing for anode and cathode materials are expected to begin operations by 2025, with an announced 650,000 metric tons of battery materials targeting to be online by the end of the decade.
The federal manufacturing tax credits have resulted in billions of dollars in solar and storage manufacturing investment. These investments help grow the economy, support communities, and provide thousands of good paying jobs for Americans. U.S. solar and storage manufacturing investments have more than doubled, with over $34 billion announced investments.
Manufacturing jobs at announced facilities have also doubled since the manufacturing tax credits were codified. If each of these facilities come online, there will be over 40,000 solar manufacturing jobs by the end of the decade.
With this map, you can filter by product type and facility status, as well as create a drive-time radius from any map point to explore geographic distances to potential customers or suppliers.
You can alsosubmit information regarding additions or corrections to the data on this map using this form. The data is available on the Sphere for SEIA members at or above the Kilowatt level. To learn more about SEIA membership, click here.
This product reflects only the publicly available data underpinning SEIA’s Solar and Storage Supply Chain dashboard. As a result, there may be some differences between the data in this file and aggregate data published on the SEIA website which may include non-public information. The data is collected from press releases, news articles, member submissions, and other sources. Additionally, facilities that SEIA has determined to be unlikely to move forward have been removed from the public data sheet.
We provide this data and map as-is and do not guarantee its accuracy or completeness. It is meant for informational purposes only. The user of the data assumes the entire risk associated with its use of these data. SEIA shall not be held liable for any use or misuse of the data described and/or contained herein. The user of the data bears all responsibility in determining whether these data are fit for its intended use.
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