Aemetis completes pipeline to transport biogas to RNG production facility

Aemetis Biogas revealed that it has completed an additional seven miles of underground pipeline to transport biogas from five new dairy digesters to the centralized RNG upgrading facility located at the Aemetis Keyes biofuels plant. Including the four miles of biogas pipeline commissioned in late 2020, Aemetis has now installed more than 11 miles of pipeline and is on track to complete the 36-mile biogas pipeline network in 2022.

Construction crews are now working on an additional 25 miles of pipeline spanning Stanislaus and Merced Counties to transport biogas for Phases 2 and 3 of the project.  The Aemetis biogas pipeline project, 52 dairy digesters, central biogas upgrading, and PG&E gas pipeline interconnect facilities will bring an estimated $300 MM of new capital investment to California’s Central Valley, while generating additional revenues and new jobs for a wide variety of businesses in agricultural communities.

“With five dairy biogas digesters under construction and scheduled to begin biogas production by mid-year, the completion of this phase of pipeline on time and under budget is another significant milestone for the Aemetis Biogas dairy RNG project,” said Andy Foster, President of Aemetis Biogas.  “By year’s end, we expect to have built 15 new dairy digesters and completed the 36-mile biogas pipeline network, providing immediate benefits to the region’s air quality and the state’s low carbon transportation fuel supply.”

In support of California’s numerous climate change initiatives to reduce GHG emissions ) and provide negative carbon intensity transportation fuels, Aemetis plans to increase its renewable natural gas production to more than 1.4 MMBtu’s per year of negative carbon intensity transportation fuel, sourced from 52 dairy digesters located in the state’s San Joaquin Valley, a region cited by the US EPA as having some of the nation’s worst air quality.  The Aemetis Biogas dairy RNG project is designed to reduce GHG emissions by an estimated 5.2 MM metric t of CO2 each year, equal to removing the emissions from 1.1 MM cars from California roads each year.

The Aemetis Biogas dairy RNG project, energy efficiency upgrades to the Aemetis Keyes biofuels plant, and the Aemetis Renewable Jet/Diesel project include $57 MM of grant funding and other support from the California Air Resources Board, the U.S. Department of Agriculture, the U.S. Forest Service, the California Energy Commission, the California Department of Food and Agriculture, CAEATFA, and Pacific Gas and Electric’s energy efficiency program.

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