Powering the new energy landscape

Any fuel, any scale, anytime, anywhere

Our energy solutions

The Mainspring Linear Generator. Reliable, flexible, affordable power.

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

Commercial and industrial facility powered by Mainspring's Linear Generators
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Partnering with a municipal utility to power one of the fastest growing cities in the U.S.

In collaboration with Mainspring, this new American city is now able to meet 95% of its peak load with local, dispatchable power that cuts electricity costs and supports long-term growth.

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Linear Generator technology designed from first principles

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

Our technology
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Working at Mainspring

Mainspring is solving essential problems every day with a diverse, talented team of individuals who share our vision to address the growing need for reliable, affordable electricity for all.

Opportunities

Awards

We're proud to be recognized for our innovations in power generation and our contributions to the advancement of energy technology.

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