Factorial Energy

Factorial's Methuen facility houses what the company describes as the largest solid-state EV battery production line in the United States, supplying validation cells for Mercedes-Benz, Stellantis, and Hyundai development programs.

Investment
$50.0M
Permanent jobs announced
150
Status
Operational
Operations began
Jan 1, 2024
Why this project qualifies

With 150 permanent operating jobs announced, this project clears AFT's 100-permanent-job threshold (AFT includes any project meeting $100 million in facility-specific investment OR 100 permanent operating jobs). It is also confirmed by official public sources and involves a physical manufacturing facility in the United States.

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Why it matters

The battery manufacturing context.

Facilities manufacturing battery cells, modules, or packs of any chemistry, plus battery-specific active materials and components such as cathode and anode materials.

Project record

At a glance

Company
Factorial Energy
Industry
Battery Manufacturing
Location
Methuen, Massachusetts
Investment
$50.0M
Permanent jobs announced
150
Status
Operational
Announced
Oct 23, 2023
Operations began
Jan 1, 2024
Added to tracker
Feb 27, 2026
Sources

Official references

  • Primary source
    https://www.businesswire.com/news/home/20231023929129/en/Factorial-Energy-Opens-New-Manufacturing-Facility-to-House-Largest-Solid-State-Battery-Line-in-the-US

Cite this project

American Factory Tracker. "Factorial Energy, Methuen, MA." https://americanfactorytracker.com/projects/factorial-energy-methuen. Accessed November 3, 2026.

Please also cite the original sources listed above for underlying figures.

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