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INDIVIDUAL FACILITIES AND SELECTED SOURCES
Below is basic information about individual facilities in our database and selected sources we've drawn on to support the analysis.  To navigate to other sites, use the search page.

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Highland Materials Plant

Highland Materials

Surgoinsville, TN, USA

-82.8093282, 36.4629438

The Big Green Machine Site ID: 569

Project Timeline

Project Timeline Unavailable (Insufficient Information)

Additional Information:

Sector: Solar

Activity: Materials Processing

Product: Polysilicon


Project Announcement Date: 4/23/2024

Target for Starting Production: 2026

Date Commercial Production Started:

Announced Post Inflation Reduction Act: Yes


Target Annual Production: 17637 tpa

Operating Status: Planned


Target Jobs: 400

Capital Investment: $1000 million

Congressional District: TN1

Government Subsidies:

Local/State: $255.6 million

Selected Sources:

“Our Facility”, Highland Materials, 21 Aug 2023. 🔗


“Highland Materials secures US$255.6 million 48C tax credit to build polysilicon plant in the US”, Jonathan Touriño Jacobo, PV Tech, 22 Apr 2024. 🔗


“Highland Materials secures US$255.6 million 48C tax credit to build polysilicon plant in the US”, Highland Materials, Highland Materials, 23 Apr 2024. 🔗


“Our Facility”, Highland Materials, 21 Aug 2023. 🔗


“A billion-dollar solar factory is coming to major a U.S. state — and hundreds of high-paying jobs are on the way”, Mike Taylor, The Cool Down, 25 Sep 2024. 🔗


Tracked Expansions, Acquisitions, or Related Sites:

We currently have no related projects tracked for this site.

This website, dashboard, and dataset are maintained by Jay Turner and student researchers in the Environmental Studies Department at Wellesley College. It is updated at least monthly. The data presented are compiled from publicly available sources. Summary statistics are incomplete and omit data from sites where publicly available information (regarding capital investments, employment levels, etc.) is unavailable. While we make every effort to ensure the information presented here is accurate, the information should be treated as estimates. We assume no responsibility or liability for any errors or omissions. The information contained in this site is provided on an "as is" basis with no guarantees of completeness, accuracy, or usefulness. The Big Green Machine® is a registered trademark. Please submit feedback using this formData on this site last updated on June 21, 2025. 

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