The power to build., scale., deliver., adapt., grow.

Mainspring delivers local power to capacity constrained companies and communities.

Linear Generator
What we solve

Don’t let power constraints limit your growth: add local power where and when you need it.

Solutions
Trusted by Industry Leaders

The Mainspring
Linear Generator.

No other primary power solution can match the flexibility, affordability, and low emissions of a Mainspring Linear Generator.

Product
Solutions

Control your energy strategy.

01
Deploy quickly

Deploy reliable, scalable onsite power in months, not years, with modular units that permit and install quickly.

02
Add flexibility

Deliver prime power, solar firming, diesel reduction or elimination, grid services, and multi-fuel operation with a single, fully dispatchable asset.

03
Control costs

Lower capex, lower maintenance costs, and higher efficiency combine to deliver a lower levelized cost of electricity (LCOE) than alternative technologies.

04
Increase resilience 

Deploy fuel redundant power that can operate independently or in coordination with the grid.

05
Reduce emissions 

Generate low-emissions power today and transition seamlessly to zero-carbon fuels over time.

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

Performance Metrics

<1.5 ppm

NOx

Low emissions that meet the most stringent air quality standards.

0–100%

DISPATCHABILITY

Capable of operating grid independent or grid parallel.

46%

EFFICIENCY

Across all deployment sizes: from hundreds of kilowatts to hundreds of megawatts.

>450 MW

FIELD OPERATIONS AND LATE-STAGE DEVELOPMENT

Leading Fortune 500 companies, data center developers, and utilities trust Mainspring.

Industries

Power solutions built for every industry.

Utilities

Add firm, flexible capacity inside your distribution footprint.

Meet Demand
Data Centers

Deploy fuel-flexible, low-emissions power to meet rising data demand.

Unlock Capacity
Enterprise

Bring reliable, low-emissions primary power onsite to control costs and ensure uptime.

Bring Power
Industrial

Generate dependable, low-emissions power using available fuels like biogas, field gas, or natural gas.

Expand Operations
Company

Mission driven.
Values led.

About Us
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