Chula Vista and Calipatria silicon ingot and wafer manufacturing
The Quartz & Silicon Materials Company Ltd., Chula Vista, San Diego County, California
Chula Vista and Calipatria silicon ingot and wafer manufacturing in Chula Vista, California is The Quartz & Silicon Materials Company Ltd.’s plant for silicon ingots and wafers. Status: announced as of June 18, 2026. The Quartz & Silicon Materials Company Ltd. announced $679 million and 894 jobs. Primary source: business.ca.gov, checked November 12, 2026.
- Status
- Announced
- Announced investment
- $679 million
- Announced jobs
- 894
- Industry
- Solar
- Sheet
- CA-23
- Revised
- November 12, 2026
Status timeline
- Announcedbusiness.ca.gov
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 | The Quartz & Silicon Materials Company Ltd. |
|---|---|
| Plant | Chula Vista and Calipatria silicon ingot and wafer manufacturing |
| Location | Chula Vista, San Diego County, California |
| Industry | Solar |
| Product | Silicon ingots and wafers |
| Announced investment | $679 millionCalifornia Competes agreement; locations Chula Vista and Calipatria |
| Announced jobs | 894 |
| Last checked | November 12, 2026 |
Sources
- California Competes Committee approvals, June 18, 2026 (state release, business.ca.gov, checked November 12, 2026)
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