William F. Lazarus

Activities, Projects, and Interests

Renewable Energy

Economic Impact of a Second Generation Biofuels Facility, Tuck, B and W. Lazarus, University of Minnesota Center for Community Vitality (October 2013)

Carbon Prices Required to Make Digesters Profitable on U.S. Dairy Farms of Different Sizes, Staff Paper P11-1 (pdf) (January 2011)

Economics of Anaerobic Digesters for Processing Animal Manure, eXtension web page (November 2009)

Farm-Based Anaerobic Digesters as an Energy and Odor Control Technology: Background and Policy Issues, USDA Office of Energy Policy and New Uses, Agricultural Economic Report Number 843, by William F. Lazarus.

An Analysis of Energy Production Costs from Anaerobic Digestion Systems on U.S. Livestock Production Facilities, by Beddoes, Bracmort, Burns, and Lazarus, USDA Natural Resource Conservation Service Technical Note No. 1.  

See also Lazarus, W. and M. Rudstrom. "The Economics of Methane Digester Operation on Minnesota Dairy Farms" in the Review of Agricultural Economics 29(Summer 2007):349-364.  

A 2007 project funded from the Minnesota Environment and Natural Resources Trust Fund resulted in development of Digester_Econ.xls, an Excel spreadsheet for doing rough initial calculations of annual costs and returns to be expected from owning and operating a methane digester on a dairy farm.

  • Digester_Econ.xlsm (Requires MS Excel 2007 or later. You will be asked to provide your contact information.)

Note: Several other digester economic calculators are available on the EPA AgSTAR website. Click here to visit the AgSTAR website.


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