California Bioenergy (CalBio) is one of the nation’s leading developers, owners, and operators of anaerobic dairy digesters. Founded in 2006, it began as a vision between a few committed innovators and dairy families and has since grown into one of the largest producers and marketers of renewable natural gas (RNG) from dairy waste in the United States. In California alone, 78 of its operational projects produce over 4 million British thermal units (MMBtu) of RNG and renewable electricity annually and reduce more than 1.9 million metric tons of carbon dioxide equivalent (CO₂e) each year. That is equivalent to removing approximately 430,000 gasoline cars from the road each year.
CalBio was built in partnership with local dairy farmers who continue to serve as long-standing partners, collaborators, and project hosts. CalBio’s projects create critical new revenue streams for local dairy families, reduce on-farm methane emissions, and bring local environmental and economic benefits. CalBio operates from two primary hubs, with corporate services out of Dallas, Texas, and major operations out of Tulare, California. Its teams manage the full lifecycle of each digester project, from initial conception, through design and construction, to continued operations, maintenance, and reporting.
In coordination with SoCalGas, CalBio injects RNG into the SoCalGas pipeline at six interconnection sites; Kern, West Visalia, North Visalia, South Tulare, Hanford and Buttonwillow. These clusters spanning Kern, Tulare, Kings, and Madera counties consisting of over 60 dairies and over 200,000 dairy cows. By working closely with SoCalGas, CalBio is turning dairy-based RNG into a statewide climate solution and advancing their shared commitment to a more sustainable California.
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