Mainspring Energy
Fuel-flexible linear generators for behind-the-meter power.
Fuel-flexible linear generators for behind-the-meter power.
Mainspring Energy is a linear generator designer and manufacturer. Founded in 2010, the company builds fuel-flexible generators that convert natural gas, hydrogen, ammonia, and biogas directly to electricity without combustion, delivering onsite power to utilities, commercial and industrial customers, and data centers.
Status
Active
Sector
Power & Energy
Year invested
2026
Headquarters
Menlo Park, CA