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Drive economic growth with right-sized power generation.

Address today’s grid constraints by quickly deploying grid-scale arrays. 

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Mainspring’s commitment to fuel flexibility and sustainable power generation aligns perfectly with the evolving needs of the utility sector, and particularly public power.

Phyllis Currie, Utilities Industry Leader, Former Pasadena/LADWP

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

I am incredibly impressed by Mainspring's innovative approach to power generation. The linear generator offers unparalleled adaptability and efficiency, making it a vital component for building a more resilient and sustainable energy future.

Steve Sheppard, Utility Industry Leader, Former NAEMA

Mainspring’s flexible platform has potential use in a variety of applications from customer resiliency projects to grid-scale power plants.

Carlos Casablanca, Managing Director, Distribution Planning and Analysis, AEP

Mainspring represents a compelling investment in the future of scalable, strategically-sited, flexible capacity. Their unique product and strong market position offer significant opportunities for growth and value creation in a rapidly expanding industry.

John Di Donato, Utility Industry Leader, Former NextEra

This is a low-emissions, resilient, and affordable alternative that holds promise for our future.

Jason Glickman, Executive Vice President, Engineering, Planning & Strategy, PG&E

What we like about Mainspring is that they helped us move the River Islands community into the 21st century by allowing them to provide power when it’s needed.

Curtis Bryant, Manager, Lathrop Irrigation District

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Keep the community’s lights on when load is surging. 

Deploy quickly.

Deploy community-friendly local power generation that is near-zero NOx for expedited air permitting.

Enjoy unmatched flexibility.

Any fuel. Any scale. Any load. Anywhere. Mainspring power gives you unmatched flexibility.

Increase reliability.

Achieve superior availability through our modular design, and multi-fuel capability.

Leverage scalability.

Our modular Linear Generators allow you to scale quickly to meet fast-ramping load growth.

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Mainspring Linear Generators are ideally suited for today’s utilities. 

Low emission.

Near-zero NOx allows for more capacity in non-attainment zones and closer proximity to new loads as they come online and stress infrastructure.

Fuel flexible.

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

Fully dispatchable.

Flexible capacity that can quickly ramp up and down to match power output with power demand as needed.

Modular.

Our factory-built units allow systems to be right-sized for dynamic capacity needs.

Strategic Advisors

  • Phyllis Currie

    Phyllis Currie

    Utility Industry Leader, Former Pasadena/LADWP

  • John Di Donato

    John Di Donato

    Utility Industry Leader, Former NextEra

  • Dave Schleicher

    Dave Schleicher

    Utility Industry Leader, Former NOVEC

  • Steve Sheppard

    Steve Sheppard

    Utility Industry Leader, Former NAEMA

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.

Mainspring Linear Generators Qualify for a 30% Federal Tax Credit

30%

Our Linear Generators are eligible for a 30% Investment Tax Credit (ITC).

10 years

This federal Investment Tax Credit extends for ten years.

2026

Projects beginning in 2026 can take advantage of the ITC.

Bring local power generation — fast.

Learn how we can power you.

Learn how we can help you address today’s grid transition with firm, flexible power capacity — fast.