Allegheny County zinc battery manufacturing expansion (Turtle Creek and Marshall Township)
Eos Energy Enterprises, Turtle Creek, Allegheny County, Pennsylvania
Allegheny County zinc battery manufacturing expansion (Turtle Creek and Marshall Township) in Turtle Creek, Pennsylvania is Eos Energy Enterprises’ plant for zinc-based battery energy storage systems. Status: announced as of October 21, 2025. Eos Energy Enterprises announced $353 million and 735 jobs. Primary source: pa.gov, checked November 12, 2026.
- Status
- Announced
- Announced investment
- $353 million
- Announced jobs
- 735
- Industry
- Electrical equipment
- Sheet
- PA-09
- Revised
- November 12, 2026
Status timeline
- Announcedpa.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 | Eos Energy Enterprises |
|---|---|
| Plant | Allegheny County zinc battery manufacturing expansion (Turtle Creek and Marshall Township) |
| Location | Turtle Creek, Allegheny County, Pennsylvania |
| Industry | Electrical equipment |
| Product | Zinc-based battery energy storage systems |
| Announced investment | $353 millionIncludes headquarters relocation to Pittsburgh |
| Announced jobs | 735 |
| Last checked | November 12, 2026 |
Sources
- Gov. Shapiro secures $353M Eos Energy investment (state release, pa.gov, checked November 12, 2026)
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