Silicon Ranch has procured an additional 1.5 GW of American-made solar modules from First Solar, increasing a master supply agreement between the two companies to more than 6 GW over the next four years.

Silicon Ranch previously announced two transactions with First Solar for 4 GW and 700 MW in 2022 for delivery through 2025. The latest expansion will serve Silicon Ranch projects in 2026 and 2027, the company said.

First Solar’s thin-film Series 6 Plus modules were designed and developed at the company’s research and development facilities in California and Ohio, and in the United State