• Research Grant and Funding Applications
  • Prepare Grant and Funding Applications
  • Survey
  • Design of Manure Collection and Pumping Facilities
  • Permitting
  • Design of Anaerobic Digesters
  • Bidding Services
  • Construction Inspection

Project Details

To generate energy from manure you need to have the proper environment for bacteria to grow, and a way to capture and utilize the biogas being produced.

Keller Engineers has designed systems that utilize organic waste such as livestock manure and food and beverage waste to produce biogas. The biogas is collected and used to power generators that provide electricity.

In addition to producing energy and generating money, our clients have received residual benefits such as:

  • reduced manure odors
  • nutrients in manure converted to a better plant accessible form
  • manure pH increased to eight
  • weed seeds digested by the bacteria reduce herbicide use when manure is applied to land
  • digested manure solids are dried and re-used for animal bedding


Keller Engineers is the easiest engineer that our Township has worked with. All their engineers and employees are really friendly and helpful. Karen Cregger, Secretary/Treasurer Southampton Township, Bedford County

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