U.S. Dept. of Energy (DOE) awards Mainspring $87 million manufacturing grant!Read Press Release
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bnef winner award 2023

Powering the new energy landscape

Our solutions

The Mainspring Linear Generator.
Reliable, high-efficiency power at any scale. Anywhere.

Mainspring delivers local power solutions to meet capacity, resilience, and cost needs today while providing the flexibility to grow and to accommodate increasingly cleaner fuels as they become available.

Commercial and industrial facility powered by Mainspring's Linear Generators
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Customer Profile: NapaSan Waste to Power

Napa Sanitation District transforms Napa County's wastewater into high efficiency, renewable electricity using a Mainspring Linear Generator - an easily replicable model for bioenergy use that reduces methane emissions while saving costs for ratepayers.

Energy Project Success

Mainspring customers are achieving fast deployment of new capacity, cost savings, reduced emissions, increased resilience, and other essential benefits.

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Linear Generator technology designed from first principles

Innovative power generation technology designed for high efficiency, low cost, and ultimate flexibility.

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Working at Mainspring

Mainspring is solving essential problems every day with a diverse, talented team of individuals who value a collaborative, team-oriented work environment where every employee can make a significant impact.

Opportunities

Awards

We're proud to be recognized for our innovations in power generation technology.

BNEF 2023 Winner
POWER Magazine
Cleantech 100
Fast Company
IEEE Emerging Technology Award 2024