As for digester systems at commercial livestock farms in the U.S. I've found information on the AgSTAR Program website: http://www.epa.gov/outreach/agstar/operation/index.html Mathias -----Original Message----- From: Mathias Effenberger [mailto:effenberger@tec.agrar.tu-muenchen.de] Sent: Wednesday, August 08, 2001 5:26 PM To: 'digestion@crest.org' Subject: DIG-L: Biogas plants in North America Does anybody have an overview about the approximate number of existing agricultural biogas plants, possibly categorized by size, in the U.S. and Canada? Looking forward to replies, Mathias ******************************************** Mathias Effenberger Bayerische Landesanstalt fuer Landtechnik Am Staudengarten 3 85354 Freising GERMANY phone: +49 8161 71-5157 fax: +49 8161 71-4363 email: effenberger@tec.agrar.tu-muenchen.de Digestion List Archives: http://www.crest.org/discussion/digestion/current/ Digestion List Moderator: Phil Lusk, plusk@pipeline.com www.biogasworks.com Other Digestion Events and Information: http://www.fsec.ucf.edu/bioam/ http://solstice.crest.org/renewables/biomass-info/ Beginners Tour of Biogas http://WWW.roseworthy.adelaide.edu.au/~pharris/biogas/beginners Digestion List Archives: http://www.crest.org/discussion/digestion/current/ Digestion List Moderator: Phil Lusk, plusk@pipeline.com www.biogasworks.com Other Digestion Events and Information: http://www.fsec.ucf.edu/bioam/ http://solstice.crest.org/renewables/biomass-info/ Beginners Tour of Biogas http://WWW.roseworthy.adelaide.edu.au/~pharris/biogas/beginners