John Palmour Manufacturing Center
Wolfspeed, Siler City, Chatham County, North Carolina
John Palmour Manufacturing Center in Siler City, North Carolina is Wolfspeed’s plant for silicon carbide materials (crystal/wafers). Status: operating as of June 2024 (production started). Wolfspeed announced $5.0 billion and 1,800 jobs. Primary source: commerce.nc.gov, checked November 1, 2026.
- Status
- Operating
- Announced investment
- $5.0 billion
- Announced jobs
- 1,800
- Industry
- Semiconductors
- Sheet
- NC-54
- Revised
- November 1, 2026
Status timeline
- Announcedcommerce.nc.gov
- Production startedwolfspeed.com
Filled dots are confirmed by a company, state, SEC or federal source. Dashed dots come from news reports only. Investment and job figures are as announced, not achieved.
Plant facts
| Company | Wolfspeed |
|---|---|
| Plant | John Palmour Manufacturing Center |
| Location | Siler City, Chatham County, North Carolina |
| Industry | Semiconductors |
| Product | Silicon carbide materials (crystal/wafers) |
| Announced investment | $5.0 billionSiler City campus over 8 years, per 2022 NC release |
| Announced jobs | 1,800 |
| Last checked | November 1, 2026 |
Sources
- Gov. Cooper: Wolfspeed selects NC (state release, commerce.nc.gov, checked November 1, 2026)
- Wolfspeed milestones update (Jun 2024) (company release, wolfspeed.com, checked November 1, 2026)
- CHIPS PMT page: Wolfspeed NC (federal notice, nist.gov, checked November 1, 2026)
- Wolfspeed post-bankruptcy tax refunds (Dec 2025) (news report, finance.yahoo.com, checked November 1, 2026)
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