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Superior Power Generation for Biogas Projects

Best-in-class low total cost of ownership increases top line revenue with high efficiency, clean power generation

A Full Solutions Offering For Biogas to Power

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Monetization

Driving economic value
  1. Maximize electricity income
  2. Generate eLCFS credits and eRINs
  3. Obtain all incentives (ITC, SGIP, etc.)
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Emissions

Achieving low NOx
  1. Lower NOx emissions
  2. Comply with the most stringent regulations
  3. Increase compliance control and predictability
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Speed

Powering sites faster than utility
  1. Faster power than waiting on utility interconnection
  2. Ideal for RNG upgraders that can't get power
  3. Clean resilience following utility interconnection
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Resilience

Maintaining business operations
  1. Reduce business impacts due to grid outages
  2. Reduce inventory or productivity losses
  3. Resilience with revenue generation

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.

“The linear generator is an important component of our Climate Change Mitigation Plan. The addition of this Mainspring unit to our wastewater treatment plant will help us meet our clean energy goals, reduce greenhouse gas emissions, and create operational efficiencies.”
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Tim Healy General Manager (Ret.) Napa Sanitation District

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

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Delivering Value Across Biogas Feedstocks

“We are excited to partner with Mainspring and continue to demonstrate production of renewable electricity using a new and innovative technology that has the potential to increase efficiency of electricity production and reduce air emissions.”
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Ramin Yazdani Director of Integrated Waste Management (former) Yolo County, California

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Significantly Lighter Cleanup Requirements When Compared With Fuel Cells

  • Mainspring’s biogas input composition requirements are much lighter than those of RNG in all steps of the cleanup process
  • As a result, depending on the project size, the cost of biogas cleanup can be up to 70% lower with Mainspring than with a typical fuel cell project.
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Dispatchability Captures Value Across Seasons

The full dispatchability of Mainspring's technology allows the products to ramp up and down with biogas production levels. In contrast to baseload-only fuel cell technology, this maximizes production and revenue potential and reduces the need for flaring throughout the year.

SGIP Eligibility

Self-Generation Incentive Program (SGIP)

California customers using biogas to power onsite operations through linear generators may qualify for state funding from the Self-Generation Incentive Program (SGIP).

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