FOUNTAIN INN, S.C. — EPC Power has opened a new 167,000-square-foot factory in southern Greenville County that will build power inverters for artificial intelligence data centers, utility-scale solar arrays and energy storage systems, the company said this week, adding 275 jobs and nearly tripling its production capacity.
Third South Carolina Site
The Fountain Inn plant is EPC Power’s third U.S. facility and second in South Carolina, following a Mauldin site the California-based company opened a few years ago. Once the new factory reaches full production capacity later this month, it will add 27 gigawatts of annual manufacturing capacity, with the ability to scale up to 40 gigawatts, according to the company.
“Our expansion in South Carolina is a direct response to the AI infrastructure investment and power demands we’re seeing worldwide,” EPC Power CEO Jim Fusaro said in a statement reported by the Post and Courier.
Why Inverters Matter for Data Centers
Power inverters convert direct current electricity, such as the current generated by solar panels, into the alternating current that runs the electrical grid. EPC Power’s inverters are designed to manage the sharp, unpredictable swings in power demand created by AI data centers, helping keep systems running while protecting grid equipment from damage. The company has positioned the technology as critical infrastructure for utilities and data center operators trying to keep pace with surging electricity demand tied to AI computing.
“By tripling our capacity, we’re giving data center and utility operators access to more critical components domestically, which de-risks their expansion plans and strengthens supply chain resilience,” Fusaro said, according to the Post and Courier.
Greenville County’s Industrial Draw
The 111 Southcase Boulevard site adds to a run of industrial and advanced-manufacturing investment in southern Greenville County, where Fountain Inn and surrounding areas have attracted large-scale production facilities in recent years thanks to available industrial land, highway access and proximity to the region’s logistics network. EPC Power’s expansion also reflects a broader trend reshaping demand for industrial real estate across the Upstate, as data center growth nationally is pushing suppliers of grid and power equipment to expand their own manufacturing footprints closer to customers.
The Fountain Inn facility is expected to employ 275 people as it ramps toward full production this summer.
Upstate Commercial Real Estate News 
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