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  2. AgSTAR

AgSTAR Stories from the Farm

AgSTAR provides first-hand accounts of the operations, lessons learned, benefits and challenges associated with anaerobic digestion projects on livestock farms in the United States. Learn more:

Project Profiles
Project Profiles provide detailed descriptions of anaerobic digester projects in the United States.
Spotlights
Project Spotlights highlight case studies that address key issues for anaerobic digestion projects in the agriculture industry.
Meet an operator
Meet an Operator introduces you to several anaerobic digester operators and links to their testimonials.
Ombudsman
Anaerobic Digestion Ombudsman provides information about third-party individuals who help livestock facilities develop and maintain anaerobic digester projects.

Biogas Recovery System Photographs

Edaleen Cow Power, LLC, Lynden, WA: mixed plug flow digester; built in 2012; base population is 2,500 dairy cows; feedstocks include substrates; receiving utility is Puget Sound Energy; system designer is DVO, Inc.
Emerling Farms, Perry, NY: horizontal plug flow digester; built in 2006; products are bedding and fertilizer; base pop. is 1,100 dairy cows; biogas production is 110,400 ft3/day; 230 kW engine; utility is NY State Energy and Gas; designer is RCM Int.
Audets Cow Power, Bridport, VT: mixed plug flow digester; built in 2005; products are bedding and compost; base population is 2,100 dairy cows; feedstocks include whey; 680 kW engine; utility is Green Mountain Power; designer is DVO, Inc.
Fiscalini Farms, Modesto, CA: complete mix digester; built in 2008; base pop. is 2,513 dairy cows; feedstocks incl. whey, grass and residuals; biogas prod. is 165,000 ft3/day; 50 kW engine; utility is Modesto Irrigation Dist.; design. Biogas Energy
Homestead Dairy, Plymouth, IN: complete mix digester; built in 2013; base population is 2,100 dairy cows; feedstocks include fats, oil and grease; receiving utility is NIPSCO; system designer is Moore and Bruggink.
Joneslan Farm, Hyde Park, VT: complete mix digester; built in 2012; base population is 350 dairy cows; biogas production is 33,450 cubic feet per day; receiving utility is Vermont Electric Coop.; system designer is UEM, Inc.
Neighborhood Energy, LLC, Coventry, VT: mixed plug flow digester; built in 2008; base population is 750 dairy cows; feedstocks include food waste; engine size is 225 kW; receiving utility is Vermont Electric Coop.; system designer is DVO, Inc.
Pixley Biogas, LLC, Pixley, CA: mixed plug flow digester; built in 2014; base population is 2,000 dairy cows; system designer is DVO, Inc.
Ridgeline Farm, Clymer, NY: complete mix digester; built in 2001 (non-operational); products are fertilizer; base pop. is 650 dairy cows; feedstocks inc. food processing waste; biogas prod. is 325,000 ft3/day; 280 kW engine; designer is RCM Int.
Ringler Energy, LLC, Ashley, OH: complete mix digester; built in 2012; products are fertilizer; base pop. is 7,000 hogs; feedstocks include manure and biosolids; biogas prod. is 200,919 ft3/day; 800 kW engine; designer is quasar energy group.
Tollenaar Holsteins Dairy, Elk Grove, CA: earth-supported mixed digester; built in 2008; products are bedding and compost; base population is 900 dairy cows; biogas prod. is 113,000 ft3/day; 215 kW engine; utility is SMUD; designer is RCM Int.

« Back | Forward »

Biogas Recovery System Photographs
  • Edaleen Cow Power
  • Emerling Farms
  • Audets Cow Power
  • Photograph of an anaerobic digestion system at Fiscalini Farms
  • Homestead Dairy
  • Joneslan Farm
  • Neighborhood Energy
  • Pixley Biogas
  • Ridgeline Farm
  • Ringler Energy
  • Tollenaar Holsteins Dairy

AgSTAR

  • About AgSTAR
    • Accomplishments
    • Celebrating 20 Years of Anaerobic Digestion
  • Events
    • Upcoming Events
    • Past Events
    • Webinars
  • Learn About Biogas Recovery
    • What is Biogas Recovery?
    • How Does AD Work?
    • Anaerobic System Design & Technology
    • Benefits of AD
    • Training Resources
  • Practices to Reduce Methane Emissions from Livestock Manure Management
  • Planning AD Projects
    • 10 Keys to Digester Success
    • Risk Analysis and Technical Review Checklist
    • Is AD Right For You?
    • Project Planning and Financing
    • Vendor Directory
  • Building & Operating Biogas Recovery Systems
    • Guidelines and Permitting
    • Project Development Handbook
    • Anaerobic Digester/Biogas System Operator Guidebook
    • Technical Guidance (Library of Tools)
  • Biogas Toolkit
  • Success Stories
    • Stories from the Farm
    • Project Profiles
    • Project Spotlights
    • Meet an Operator
    • Anaerobic Digestion Ombudsman
  • Projects & Opportunities
    • Livestock AD Database
    • Data & Trends
    • Market Opportunities
    • International Projects
    • RNG from Agricultural Resources
  • AgSTAR Partners
  • Frequent Questions about Livestock Biogas Projects
Contact Us about the AgSTAR Program
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 7, 2025
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