Cow Power

+
= 100 head of cattle
Total quantity of manure produced annually*:
Metric ton
Total energy produced from manure†:
Billion BTU
Equivalent number of U.S. homes powered annually‡:
Homes
* Assumes 1,500 pound dairy cow produces 57 kg of manure daily.
† Assumes biogas production of 1.15 m3 per day per cow.
‡ 2009 data from U.S. Energy Information Administration & Penn State College of Agriculture Sciences. © 2014 Michael E. Webber, UT Austin
Webber Energy Group