News Dairy
Poop power: Man powers 1,200-acre farm using cow manure

With 3,000 cows, Lodi, CA, dairy farmer Larry Castelanelli has more than enough methane power to fuel 1,200 acres of property. But how does he turn cow manure into electricity?

Larry has harnessed the power of his cows’ manure. The digester is a two-acre lagoon covered by a bubble, where the methane from cow waste is harnessed and transferred to a generator. “We take this gas that would normally go up and get into the ozone. Then we capture it, run it through the generator and we get electricity. We run the dairy with it.” | READ MORE