Solar ingot and wafer manufacturing coming to Oklahoma

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Norsun plans to invest $620 million in a new 5 GW silicon ingot and solar wafer manufacturing facility on a 60-acre greenfield site in Tulsa, Oklahoma.

The Inflation Reduction Act (IRA) has motivated solar module manufacturers to build manufacturing facilities in the U.S; however, very few factories are planned for the production of ingots, wafers and cells. This shortage leaves U.S. solar module makers reliant on imports, mainly from China.

Production at the new Norsun plant is expected to begin in 2026, bringing much-needed U.S.-made silicon ingots and wafers to the supply chain, as well as 320 jobs to the Tulsa area. Norsun reports that production can be expanded up to 10 GW.

“Our business plan has an ambitious timeline, so we knew we needed a partner who can work fast and efficiently to meet the critical need for American-made energy,” said NorSun CEO Erik Løkke-Øwre. “Oklahoma impressed us even before our selection journey – its robust clean energy, manufacturing ecosystem and workforce development programs were already on our radar, and its competitive business offerings and site acceleration options solidified our decision.”

Norsun, founded in Norway in 2007, specializes in the production of monocrystalline ingots and wafers for ultra-high efficiency solar cells. The expansion was facilitated by the Oklahoma Department of Commerce and Tulsa Airports Improvement Trust.

“I’m proud to welcome Norsun to Oklahoma, and I’m thrilled that Oklahomans will benefit from hundreds of new jobs in the Tulsa area and a $620 million capital investment,” said Governor Kevin Stitt. “Our pro-growth policies, workforce development efforts, and ‘more of everything’ energy approach make us an incredible state to invest in, and I’m glad NorSun can be a part of it.”

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