Suniva Opens 4.5 GW Solar Cell Factory in Laurens, SC
- Annual production capacity: 4.5 GW
- Investment: 350 million
- Jobs created: 564 full-time
- Combined US capacity: 5.5 GW
Suniva announced on April 14, 2026, plans to build a 4.5 GW annual solar cell production facility in Laurens, South Carolina, with a 350 million dollar investment and 564 full-time jobs, targeting Q2 2027 operations — a project that, combined with existing Georgia operations, would give Suniva 5.5 GW of U.S. solar cell manufacturing capacity, the largest merchant solar cell supply footprint in the country.
What Is Being Built
The Laurens facility will produce high-efficiency solar cells that allow module assemblers to claim domestic content tax credits under the Inflation Reduction Act. U.S. module assembly capacity exceeds 65 GW; domestic cell manufacturing has historically remained below 10% of that volume, forcing module producers to import cells and forfeit IRA domestic content premiums. Suniva began shipping cells from its existing Georgia facility to Canadian-American module maker Heliene in early 2025. The South Carolina expansion, if operational on schedule, provides mid-sized module manufacturers a domestic cell source starting in 2027.
Why It Matters
The Laurens announcement addresses a specific supply chain bottleneck: domestic module capacity far exceeds domestic cell capacity, and without domestic cells, module manufacturers cannot fully claim IRA incentives. A 4.5 GW cell plant running at capacity from mid-2027 would supply enough cells for roughly 4.5 GW of domestic modules per year. For developers and utilities targeting IRA domestic content adders on their solar procurement, reliable domestic cell supply is a prerequisite — one that this expansion directly targets.
Critical Perspective
Suniva filed for bankruptcy in 2017 following an import surge and only restarted in late 2023 with federal manufacturing credits. The Q2 2027 production target requires sustained IRA policy and tariff environments that were uncertain as of April 2026. No named offtake agreements for the South Carolina facility were announced, and the 350 million dollar investment figure was not broken down between equity and debt. A 4.5 GW cell plant is a significant capital commitment for a company that filed for bankruptcy once under exactly the competitive pressure that IRA tariff protections are designed to mitigate.
Sources
- https://pv-magazine-usa.com/2026/04/14/suniva-to-build-4-5-gw-solar-cell-factory-in-south-carolina/
- https://www.solarpowerworldonline.com/2026/04/suniva-to-open-second-solar-cell-manufacturing-facility-in-the-united-states/