Anaerobic Digestion and Biogas


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This Biogas module provides reasonable expectations for investing in on-farm bio-digesters to convert animal waste to process heat and/or electricity. Learn how to calculate the number of animals needed to build a cost effective system.

Link to all of the Northeast Farm Energy IQ Curriculum, developed by Extension specialists from Penn State, Rutgers and University of Vermont.

This is part of the On Farm Energy Production Curriculum Series: 

Bioenergy Feedstock Production | Biodiesel and SVO | Biogas | Wood and Grass Pellets | Solar Electric and Thermal | Wind Power

This module includes:




Module Author: Ed Johnstonbaugh provides extension programs for Penn State in renewables and “smart energy buying and use”, including an energy credit co-op and other energy programs. He has over 25 years of experience with utility companies in the energy industry.


If you wish to adapt these curriculum materials for your own educational purposes, please contact the Module Author for permission and files:


Edward V. Johnstonbaugh
Penn State Extension, Westmoreland County
214 Donohoe Road
Greensburg, PA 15601