At a recent ribbon-cutting ceremony in Skagit County, Wash., Governor Chris Gregoire celebrated Farm Power’s operation of a system built by Andgar Corp. for turning cow manure into electricity. Farm Power’s operation produces up to 750 kilowatts of electricity — enough to power 500 homes. They sell the power to Puget Sound Energy for 8 cents per kilowatt hour.
The anaerobic digester system, also known as biogas recovery system, burns methane gas produced by cow manure to produce electricity. The resulting clean and odorless processed cow manure is then sent back to farmers as an organic fertilizer.
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The Seattle Times – Seattle – October 13, 2009
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