California Bioenergy purchases Mainspring Linear Generators
By Global Infrastructure Sherpa · Feb 23, 2026
California Bioenergy LLC (CalBio) and Mainspring Energy announced CalBio's purchase of an additional eight Mainspring Linear Generators to be deployed this year at its North Visalia and South Tulare cluster biogas upgrading sites.
Deal Analysis
California Bioenergy's (CalBio) purchase of eight additional Mainspring Linear Generators, totaling 5.3 MW of capacity, signals continued investment in biogas upgrading infrastructure. The generators will be deployed at CalBio's North Visalia and South Tulare cluster sites, further expanding their renewable energy production capabilities from dairy waste. This transaction underscores CalBio's commitment to converting agricultural byproducts into valuable energy resources and Mainspring Energy's growing presence as a provider of fuel-flexible power generation solutions. While the financial terms remain undisclosed, the deal represents a significant expansion of CalBio's existing infrastructure and a vote of confidence in Mainspring's technology.
The deal is notable due to the involvement of key players in the biogas sector. CalBio is a prominent developer of dairy digester projects, and Mainspring Energy offers innovative linear generator technology. This purchase suggests a strategic alignment between a developer focused on renewable energy production from agricultural waste and a technology provider offering solutions for fuel-flexible power generation. The deployment of these generators at existing biogas upgrading sites indicates a focus on expanding and optimizing existing infrastructure rather than developing entirely new projects. This approach can lead to greater efficiency and faster deployment of renewable energy capacity.
- CalBio purchases 5.3 MW of Mainspring Linear Generators.
- Generators will be deployed at existing biogas upgrading sites in California.
- Deal involves key players in the biogas sector: CalBio and Mainspring Energy.
- Focus on expanding existing infrastructure rather than developing new projects.
Market Context: The biogas sector is experiencing growth driven by increasing demand for renewable energy and waste management solutions. California, in particular, has strong policies supporting the development of biogas projects, especially those utilizing agricultural waste.
Source Intelligence
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Capacity
CalBio expands Mainspring Linear Generator operations to 5.3 MW across 5 California sites
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Location
to be deployed this year at its North Visalia and South Tulare cluster biogas upgrading sites.
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Announcement
California Bioenergy LLC (CalBio) and Mainspring Energy on Feb. 23 announced CalBio's purchase of an additional eight Mainspring Linear Generators to be deployed this year at its North Visalia and South Tulare cluster biogas upgrading sites.
PARTIES MENTIONED IN SOURCE
C
California Bioenergy LLC
buyer
"California Bioenergy LLC (CalBio) and Mainspring Energy on Feb. 23 announced CalBio's purchase of an additional eight Mainspring Linear Generators to be deployed this year at its North Visalia and South Tulare cluster biogas upgrading sites."
M
Mainspring Energy
seller
"California Bioenergy LLC (CalBio) and Mainspring Energy on Feb. 23 announced CalBio's purchase of an additional eight Mainspring Linear Generators to be deployed this year at its North Visalia and South Tulare cluster biogas upgrading sites."
high quality
Enriched Feb 25, 2026
Market Context
This deal is part of the Biogas sector in USA.
1 of 9 Biogas deals tracked this month · Updated daily