Eaton’s $340 million transformer manufacturing facility in Union County, South Carolina

Intelligent power management company Eaton is helping address the critical shortage of transformers and record demand for its solutions across utility, large commercial, industrial and data center customers. The company is investing $340 million to increase U.S. production of its three-phase transformers essential to reliable electrical power. Production and hiring at Eaton’s new Jonesville, South Carolina facility is expected to begin in 2027. Eaton will continue to also manufacture three-phase transformers at two Wisconsin facilities.

Eaton transformers meet the highest efficiency standards in the industry, helping customers save energy and costs. Building on more than a century of transformer innovation and manufacturing, Eaton will convert an existing facility in Jonesville, South Carolina into a state-of-the-art manufacturing site for three-phase transformers. The project is supported by local, state and federal economic development incentives. The company is also working closely with readySC and regional schools to support hiring and industry training.