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Control your energy future. 

Bring reliable, affordable, low-emissions primary power onsite — fast. 

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Mainspring has allowed us to manage electricity expenses better and lower our carbon footprint. We’ve already begun adopting this technology at other locations.

Jeff Guth, Regional Director, Construction, The Kroger Co.

Mainspring Linear Generators improve our energy independence.

Chris Thurston, Head of Renewable Energy Projects, Lineage Logistics

This clean-fleet charging site is the first and largest of its kind in the world and establishes a new, rapid, and resilient way forward.

JT Steenkamp, Director of Infrastructure, Projects & Technology, Prologis

Customers want clean, reliable power generation and we're pleased to support bringing this innovative product to market.

John Ketchum, President and CEO, NextEra Energy

Mainspring customers are provided with a pioneering microgrid solution that can generate on-site power and adapt to an evolving grid landscape.

Jana Gerber, President, Schneider Electric North America Microgrid 

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Bring primary power onsite with a Mainspring-powered microgrid.

Increase resilience.

Eliminate power outages with reliable and dispatchable on-site power, ensuring continuous business operations.

Control costs.

Reduce energy costs with efficient on-site generation, replacing grid purchase with more predictable power costs.

Deploy quickly.

Power your facility in months, not years, with easy-to-permit Mainspring Linear Generators that emit low noise and low emissions.

Future proof your operations.

Mainspring-powered microgrids support multiple operating scenarios and offer a seamless transition to zero-carbon fuels.

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Uniquely designed to address your biggest challenges.

Fuel flexible.

Seamlessly switch between natural gas, RNG, biogas, propane, and hydrogen without hardware changes.

High efficiency.

Designed for maximum conversion of linear motion into electricity across all power levels from 0 to 100%.

Low emission.

Our Linear Generators produce electricity with near-zero NOx and meet even the most stringent air quality standards.

Scalable.

Mainspring Linear Generators can meet any power demand with up to 25 MW/acre.

Take control of your energy future. 

Learn how we can power your facility. 

Learn how we can help you bring reliable, affordable, low-emissions primary power onsite — fast.