What is the latest status of the project “Hermosa zinc and manganese project”?

The status recorded for “Hermosa zinc and manganese project” is under construction.

What is the budget and commercial profile for the project “Hermosa zinc and manganese project”?

Taiyo normalizes the budget of “Hermosa zinc and manganese project” to USD 2000000000.

Where can I verify the source and access all details for “Hermosa zinc and manganese project”?

This Taiyo project page references Mining Review Africa along with the original URL (https://www.miningreview.com/news/exclusive-top-10-promising-us-projects/?amp=1). Taiyo standardizes official data into a consistent, searchable project profile.

Hermosa zinc and manganese project

Sector: Energy Storage • Location: Arizona, United States

Source: Mining Review Africa

Project

Under Construction

A $2 billion development in the Patagonia Mountains of southern Arizona, operated by South32. It is the only advanced-stage mine in the US positioned to produce domestically mined battery-grade manganese and zinc. The project is moving forward following a major federal approval and a significant revision to its timeline and budget.

Status: Under Construction
Sector: Energy Storage
Location: Arizona, United States of America
Updated: 22 Jul 2026
Source: Mining Review Africa

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Project Information

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The project “Hermosa zinc and manganese project” is an infrastructure initiative in the Energy Storage sector, located in Arizona, United States. Taiyo aggregates data on it from Mining Review Africa.

Participants

Not available for this record.

Status

Original status	under construction
Taiyo status	Under Construction
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	A $2 billion development in the Patagonia Mountains of southern Arizona, operated by South32. It is the only advanced-stage mine in the US positioned to produce domestically mined battery-grade manganese and zinc. The project is moving forward following a major federal approval and a significant revision to its timeline and budget.
Original sector	Mining
Budget

Location

Country	United States of America (USA)
State	Arizona

Source

Source	Mining Review Africa
URL

More Details

Record type	Project
Sector	Energy Storage
Article published date	2026-07-10

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