Aemetis ready to launch Phase 2 of dairy biogas project

Aemetis Biogas is ready to launch Phase 2 of its dairy biogas production project in California.

The company will achieve this by completing the construction of its third dairy digester and testing the seven-mile biogas pipeline section to be used by the next five digesters.

Testing was recently completed for the $12 million (€11.2 million) dairy biogas-to-RNG upgrading and compression facility, which is co-located at the Aemetis Advanced Fuels Keyes ethanol plant near Modesto, and adjacent to the utility natural gas pipeline.

The PG&E utility gas pipeline interconnection unit has been built and is now being tested by PG&E. The conversion of biogas to RNG and the injection of RNG into the pipeline is expected in early May.

Eric McAfee, chairman and CEO of Aemetis, said: “Completing the construction and filling of the first dairy digester in Phase 2 of the Aemetis Biogas Central Dairy project is a major step in our schedule to produce RNG in May for gas delivery into storage, while we complete the CARB pathway approval for Low Carbon Fuel Standard credit generation.

“In addition to the three completed dairy digesters and more than 16 miles of biogas pipeline that we have built, Aemetis is in construction or final engineering to add the next 10 dairy digesters to our network to meet increasing demand for lower cost, low emission, carbon-negative RNG to replace petroleum diesel in trucks, buses, and other heavy transport vehicles.”

When fully built out, the planned 60+ dairies in the estimated $380 million (€355 million) Aemetis Biogas Central Dairy Project are expected to capture more than 1.6 million MMBtu of dairy methane and reduce greenhouse gas emissions equivalent to an estimated 5 million tonnes of CO2 annually.

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