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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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Battery-Grade Manganese Processing Facility

South32

Patagonia, AZ, USA

-110.7287223, 31.4645714

The Big Green Machine Site ID: 582B

Project Timeline

Project Timeline Unavailable (Insufficient Information)

Additional Information:

Sector: Batteries

Activity: Materials Processing

Product: Manganese Sulfate


Project Announcement Date: 9/20/2024

Date Commercial Production Started:

Announced Post Inflation Reduction Act: Yes


Current Annual Production: 60000 tpa

Operating Status: Planned


Target Jobs: 240

Capital Investment: $553 million

Congressional District: AZ7

Government Subsidies:

Federal:

Bipartisan Infrastructure Funding: $166.1 million

Selected Sources:


“South32 Hermosa Project Notified of $166M U.S. Department of Energy Battery Materials Development Grant”, on September 20, South32 Hermosa, 19 Sep 2024. 🔗


Tracked Expansions, Acquisitions, or Related Sites:

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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. The Big Green Machine Data © 2024 by Jay Turner is licensed under CC BY 4.0.  Please submit feedback using this formData on this site last updated on November 20, 2025. 

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