Cow Power in the Electric Grid
Cow Power in the Electric Grid : The Central Vermont Public Service (CVPS) offers customers cow power-derived electricity. Here's how their process works: Each cow produces up to 30 gallons of manure a day. That manure is contained in an anaerobic digester, in which bacteria convert the manure into methane and other byproducts. Pressure created by the expansion of gases causes the biogas to flow through a pipe to fuel an engine that, in turn, runs a generator. The electricity generated is fed into the CVPS electrical system for distribution. The generator's waste heat also keeps the digester warm to aid its processing. The byproduct is odorless composted manure, which can replace straw or sawdust for animal bedding or be sold to consumers
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