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Snow Lover’s Trivia: Killington powers express gondola with cow manure


Vermont’s Killington Resort, the largest ski and snowboard resort in the east, is powering its K-1 Express Gondola during the 2012-13 season with electricity generated from cows on Vermont dairy farms. The initiative was made possible through Killington’s enrollment in Green Mountain Power’s Cow Power program, which enables GMP customers to purchase all or part of their electricity at a premium and support Vermont’s dairy farms as well as the development of new cow power projects across the state.

“Killington Resort is thrilled to work with the GMP Cow Power program and local dairy farmers to power the K-1 Express Gondola,” stated Mike Solimano, President and General Manager for Killington Resort. “GMP Cow Power is truly an innovative way to create renewable energy and it’s another example of how we continue to implement environmental initiatives throughout our resort.”

Perfected over the last ten years, the GMP Cow Power process is very simple. Farms collect cow manure throughout the day, mixing it with wash water from the milking equipment which is then pumped into an anaerobic digester. The slurry flows through a digester for about three weeks at 100 degrees Fahrenheit allowing bacteria to convert the manure into biogas, about 60% methane gas and 40% carbon dioxide. The biogas is then delivered to a modified natural gas engine, which drives an electric generator to create electricity. Finally, the energy generated is fed onto the GMP electrical system which ultimately powers the K-1 Express Gondola.

The left over manure in the digester does not go to waste; it is separated into solid and liquid portions. The liquid portion is used as enhanced fertilizer and the solids, consisting of plant fibers including grass, corn stalk fibers, grain hulls, etc. can replace sawdust as bedding for the cows.

“Large customers like Killington Resort with significant demand can make important contributions to the continued development of this innovative renewable resource,” said Mary Powell, President and CEO of Green Mountain Power. “Through their investment, they will help us continue to expand the GMP Cow Power program making this opportunity available to more Vermont dairy farms. These farms are the backbone of Vermont’s agricultural economy; therefore Killington is to be commended for its commitment to both renewable energy and Vermont farming.”

Currently, 13 Vermont farms, with roughly 10,000 total dairy cows producing 300,000 gallons of manure per day, participate in the GMP Cow Power program and are compensated for their electric generation and the related environmental benefits. The energy is used locally and the program continues to grow annually with new farms and new customers joining regularly.

Killington Resort is a four season destination that sits on 3,000 acres in the heart of the Green Mountains. The Resort boasts more than 70 miles of terrain spread over six peaks and offers the most expansive lift network and snowmaking system in the East.

After the snow melts, Killington features an 18-hole championship golf course as well as 45 miles of mountain biking trails and 15 miles of hiking trails. Killington, a world-class destination for East Coast skiers and riders for over 50 years.

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