Factorial Energy opens Methuen, MA manufacturing facility with 200-MWh annual capacity

Factorial Energy/FEST

Factorial opened its Methuen, Massachusetts facility, which the company claimed was the largest solid-state battery production line in the U.S. The facility was funded by a $50M investment and can produce up to 200 MWh per year, supplying automotive pilots and customer validation.

• 200-MWh capacity supports 2,000+ vehicles per year at 100 kWh pack size.
• Methuen facility is the largest U.S. solid-state battery line.
• Manufacturing enables customer pilots for Mercedes, Stellantis, Hyundai/Kia.