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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 (Expansion)

Hemlock Semiconductor Operations

Thomas Township, MI, USA

-84.1624024593389, 43.4325148113648

The Big Green Machine Site ID: 376B

Additional Information:

Sector: Solar

Activity: Manufacturing

Product: Silicon


Project Announcement Date: 9/7/2022

Target for Starting Production: 2023

Date Commercial Production Started: 8/12/2024

Announced Post Inflation Reduction Act: Yes


Operating Status: Operating


Target Jobs: 1520

Current Jobs: 1350

Capital Investment: $375 million

Congressional District: MI8

Government Subsidies:

Local/State: $27 million

Selected Sources:

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


“Gov. Whitmer Launches Groundbreaking on New $375 Million Expansion of Hemlock Semiconductor, Creating 170 New Jobs”, Kathleen Achtenberg, Michigan Economic Development Corporation (MEDC), 20 Oct 2022. 🔗


“Biden-Harris Administration Announces Preliminary Terms with Hemlock Semiconductor to Significantly Expand U.S. Production Capacity of Semiconductor-Grade Polysilicon”, NIST, 21 Oct 2024. 🔗


“Hemlock Semiconductor Announces Completion of Next-Generation Finishing Facility”, Hemlock Semiconductor, 12 Aug 2024. 🔗


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 May 20, 2025. 

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