Ok. I know. This is a little off topic, but since I have a 2 year old who has the usual poopie diapers, I thought that this might be appropriate.
“The average cow makes enough waste per day to power a 100-watt light bulb,” said Michael Kanellos, editor in chief at Greentech Media, a research and publishing firm.
According to H.P.’s calculations, 10,000 cows could fuel a one-megawatt data center, which would be the equivalent of a small computing center used by a bank. Mr. Kanellos has tracked both the data center and green technology industries and agreed that there was some convenient overlap. Computing equipment produces a lot of heat as a waste product, and the systems needed to create biogas require heat. So, there is a virtuous cycle of sorts possible.
In short: 1 cow/day of manure = 2.4 KwHr.