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First Solar to Invest $330 Million in South Carolina Plant, Adding 3.7 GW of U.S. Capacity

The move responds to new U.S. industrial policy that ties tax credits to domestic supply chains.

Overview

  • The new module facility in Gaffney, South Carolina, is scheduled to begin commercial operations in the second half of 2026.
  • First Solar projects more than 600 new jobs at the site, with an average manufacturing salary of $74,000 per year.
  • The company says the expansion will lift its U.S. nameplate capacity to 17.7 GW by 2027 and meet anticipated FEOC compliance requirements.
  • First Solar describes the plant as onshoring final processes for Series 6 Plus modules, while separate reporting says it is designed for Series 7 and spans over one million square feet.
  • Executives attribute the decision to demand created by the One Big Beautiful Bill Act and trade policies, adding to recent U.S. expansions in Ohio and Louisiana.