# Sumitomo Electric breaks ground on $620M magnet wire plant in South Carolina

Sumitomo Electric broke ground on a $620 million magnet wire plant in the Clemson area, South Carolina, to produce copper magnet wire for EV traction motors.

- Type: New facility
- Announced: 2026-04-02
- Where: Clemson, South Carolina, United States
- Value: $620.0M
- Status: under construction
- Products: copper magnet wire for EV traction motors
- Sectors: [Automotive Components](https://endata.com/sectors/automotive-components.md), [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)

## Companies

- [Sumitomo Electric Industries](https://endata.com/companies/16532.md)

## Sources

- [22metals.com](https://www.22metals.com/category/plant-openings), 2026-04-21: "The Clemson-area plant will produce copper magnet wire for EV traction motors."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.