Energy Efficiency, Industrial, Sourcing Renewables  -  April 9, 2024

Sacramento Sewer District Adds Biogas Cogen Facility

Sacramento Area Sewer District signed an agreement for the construction of an advanced technology biogas cogeneration facility located at the EchoWater Resource Recovery Facility near Elk Grove, California.

The agreement was signed with Ameresco, Inc., a cleantech integrator specializing in energy efficiency and renewable energy. The $140 million contract calls for the development and construction for the on-site renewable energy facility.

The facility will utilize biogas (methane), a byproduct of the EchoWater Facility’s solids treatment process, to produce renewable electricity and heat for the EchoWater Facility through an integrated 13.4 MW cogeneration plant that will utilize fuel cell and engine technology. 

By incorporating the fuel cell system, the project will increase efficiency and reduce pollutant emissions, making it a clean, reliable baseload dispatchable resource. Additionally, the system will allow for the possibility to produce hydrogen in the future.

“SacSewer is committed to being a leader in environmental stewardship. Through our sustainable efforts in resource recovery, we maximize the reuse of treatment process by-products such as biogas,” said Christoph Dobson, SacSewer’s General Manager, in a statement. “This project is yet another example of how we’re working every day to fulfill our mission of protecting public health and the environment by collecting, treating, and recovering resources from sewage.”

Construction of the new facility is expected to be completed by July 2026.

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