Biogas cogen plant for LA water reclamation

A subsidiary of Exelon Corp and LA Sanitation have begun construction of a 25 MW biogas-fuelled cogeneration plant in Los Angeles, US.

Set to supply LA Sanitation’s Hyperion Water Reclamation Plant, the cogeneration plant is expected to generate more than 173 GWhe annually and supply up to 70,000 pounds per hour of steam. The p;ant will be fuelled with methane captured through the sewage treatment process.

LA Sanitation selected Exelon subsidiary Constellation as the project developer and the company will develop, construct and operate the cogeneration facility for 20 years, with an option to extend the agreement for two additional five-year terms.

With commercial operations scheduled for the end of 2016, the cogeneration plant is expected to avoid the release of approximately 100,000 metric tons of carbon dioxide each year.

Gary Fromer, senior vice president, distributed energy at Constellation commented: ‘Biogas-fuelled cogeneration offers wastewater treatment facilities a cost-efficient, sustainable, and resilient energy source that is highly effective at reducing methane and carbon dioxide emissions.’

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