Brightmark, a San Francisco-based waste and energy development company and ABC member, today announced that it has partnered with three Western Michigan farms on the latest in a series of biogas projects the company has launched over the past two years. The Michigan farmers have each signed supply agreements with Brightmark indicating their intent to provide the company with dairy manure from their herds that will serve as feedstock for new anaerobic digesters to be built on Beaver Creek Farm. The digesters will capture, extract, and clean the methane in the manure, then convert it into renewable natural gas (RNG) and inject it into a nearby gas pipeline. Once the Castor project is fully operational in early 2022, it is anticipated to produce about 328,500 MMBtu of RNG each year, making this Brightmark’s largest RNG project to date. More >>
