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Scenic View Dairy - Fennville

Location Fennville, Michigan
Project Type Multiple Farm
Animal Type Dairy and Swine
Population Feeding Digester 3,800; 9,000
Baseline System Storage Lagoon
Digester Type Complete Mix
Co-Digestion Food Processing Waste (Syrup stillage from ethanol plant; Crude glycerine from biodiesel plant)
System Designer Phase 3 Developments & Investments, LLC; Biogas Direct, LLC (Biogas-Nord)
Biogas Generation 324,000 ft3/day
Biogas Use Cogeneration
Generating Capacity 800 kW
Boiler Capacity 1,000,000 Btu/hr
Receiving Utility Consumers Energy Company; Michigan Gas Utilities Corp

Farm Bill Funded Project

Photo of three above-ground heated digesters

Photo: TerraPass Inc.

Scenic View Dairy's Fennville location is home to the first anaerobic digester project in the United States generating both electricity and pipeline grade natural gas. It is also the first digester project in the state of Michigan. The digester system and energy production facilities replace the farm's open anaerobic lagoons previously used for manure management. Electricity generation began in June 2006, followed by pipeline gas production in 2007.

Manure from heifers and lactating cows is flushed and scraped from barns into a manure pit where a piston pump delivers the waste to three above-ground heated digesters. The addition of syrup stillage has boosted biogas production to 324,000 cubic feet per day. Biogas from the digesters is either transferred to two 400 kW reciprocating engine-generator sets for electricity production, or processed in a pressure swing absorption unit and injected into the public natural gas pipeline.

Scenic View Dairy digester project benefits include the following:

  • Odor and pathogen reduction
  • Electricity production (surplus of 2,000 kilowatts available for resale)
  • Savings on heating, bedding, and solid disposal costs
  • Potential revenue from sale of excess energy and natural gas (3 to 5 cents per kilowatt-hour); bedding; and carbon credits ($120,000/year)

Solids or "biofibers" from the digester have replaced sand as the primary bedding source, preserving land from sand harvesting and reducing bedding costs.

By identifying higher-value markets for biogas, more farms will be able to afford the large investment required for anaerobic digesters. This will not only help farm profitability, but the use of anaerobic digesters also helps the environment by greatly reducing manure odor and methane emissions.
—Mike Geerlings, Owner, Scenic View Dairy

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