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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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Hemlock Semiconductor

Hemlock Semiconductor Operations

Thomas Township, MI, USA

-84.1623595622104, 43.4325692746813

The Big Green Machine Site ID: 376A

Additional Information:

Sector: Solar

Activity: Manufacturing

Product: Silicon


Project Announcement Date: 1979

Target for Starting Production: 1979

Date Commercial Production Started: 1979

Announced Post Inflation Reduction Act: No


Operating Status: Operating


Congressional District: MI8

Government Subsidies:

We currently have no government subsidies tracked for this site.

Selected Sources:

“Hemlock Semiconductor Expands Thomas Township, Michigan, Operations”, Area Development News Desk, Area Development, 14 Sep 2022. 🔗


“Solar is one of the cleanest power sources we’ve got. But it could be even greener.”, Maddie Stone, Grist, 21 Jun 2022. 🔗


“Bill gives U.S., Michigan an edge in leading solar power growth”, Mark Bassett, Detroit Free Press, 02 Oct 2021. 🔗


“Board Of Commissioners Of Saginaw County, Michigan”, saginawcounty.com, 01 Jan 2008. 🔗


Tracked Expansions, Acquisitions, or Related Sites:

This site has 1 major expansion(s).

Those expansion(s) are tracked below:


Site 376B: Hemlock Semiconductor (Expansion)


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 April 19, 2025. 

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