CalBio expands linear generator capacity with Mainspring Energy
By Global Infrastructure Sherpa · Feb 24, 2026
California Bioenergy (CalBio) is to install eight additional Mainspring Linear Generators at two of its dairy cluster biogas sites in California, bringing its total deployed capacity to 5.3 MW across five locations by the end of 2026.
Deal Analysis
California Bioenergy (CalBio) is expanding its distributed generation capacity through a supply agreement with Mainspring Energy. CalBio will install eight additional Mainspring Linear Generators at two of its dairy cluster biogas sites in California, increasing its total deployed capacity to 5.3 MW across five locations by the end of 2026. This expansion leverages Mainspring's fuel-flexible linear generator technology, utilizing biogas produced from dairy operations to generate electricity.
This agreement signifies CalBio's continued investment in biogas-based power generation and its commitment to utilizing renewable energy sources. The deployment of Mainspring's technology allows CalBio to enhance its on-site power generation capabilities, potentially reducing reliance on the grid and improving energy resilience. While the financial terms of the deal were not disclosed, the expansion to 5.3 MW demonstrates a significant commitment to this technology and a growing trend towards distributed generation solutions within the agricultural sector.
- CalBio expands its biogas power generation capacity to 5.3 MW.
- Mainspring Energy supplies its fuel-flexible Linear Generators.
- The project utilizes biogas from dairy operations, promoting renewable energy.
- The agreement highlights the trend towards distributed generation solutions.
Market Context: The biogas sector is experiencing growth, driven by increasing demand for renewable energy sources and the need for sustainable waste management solutions. California, with its large agricultural sector, presents a significant opportunity for biogas projects, particularly those utilizing dairy waste. Distributed generation is also gaining traction as businesses seek to improve energy resilience and reduce reliance on traditional grid infrastructure.
Source Intelligence
KEY DETAILS
The new units will be deployed at CalBio's North Visalia and South Tulare cluster biogas upgrading sites, each receiving a 1 MW installation.
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Capacity
bringing its total deployed capacity to 5.3 MW across five locations by the end of 2026
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Location
at two of its dairy cluster biogas sites in California...CalBio's North Visalia and South Tulare cluster biogas upgrading sites
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Announcement
Feb 24, 2026
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Expected Close
by the end of 2026
PARTIES MENTIONED IN SOURCE
C
California Bioenergy
buyer
"California Bioenergy (CalBio) is to install eight additional Mainspring Linear Generators at two of its dairy cluster biogas sites in California"
M
Mainspring Energy
seller
"California Bioenergy (CalBio) is to install eight additional Mainspring Linear Generators at two of its dairy cluster biogas sites in California"
high quality
Enriched Feb 24, 2026
Market Context
This deal is part of the Biogas sector in USA.
1 of 9 Biogas deals tracked this month · Updated daily