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Publication Title | Crushing the High Cost of Grape “Juice” An Innovative California Vineyard Finds

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Vineyard 29, Napa Valley, California

Vineyard

CCHP • POWER CERTAINTY

Crushing the High Cost of Grape “Juice” An Innovative California Vineyard Finds

Alternate Energy Technology Ripe for Picking

A New Vineyard Cultivates a New Energy Attitude

Teresa Norton and Tom Paine came to Napa Valley in 1989 to retire; a dream that was quickly replaced by another when they learned their estate was prime Cabernet Sauvignon territory. Weeks later, a three-acre vineyard was underway. In 1992, The Wine Journal wrote of their first 250 case offering: "The wine has developed beautifully since it has been bottled, moving from

very good potential to truly outstanding...A super premier release.”

In 2000, Norton and Paine met Chuck and Anne McMinn, a couple whose interest in the future of Vineyard 29 (www.vineyard29.com) proved to be as serious as their own. In a most pleasant transition, the McMinns became the new owners and immediately put the winery and cave development plans into motion. Construction was recently completed, a portion of which is a state-of-the-art energy technology system that ensures power certainty while reducing power costs.

Behind these doors a pair of Capstone C60 microturbines spin natural gas into power, heat and cold.

The Balance of Power...

and Heating and Cooling

“I’m a tech guy,” said McMinn. “So we’ve taken a lot of steps here at Vineyard 29 to automate the winery and use other technologies to make our premium Cabernet Sauvignon even better. California’s power debacle – both in terms of rates and reliability – motivated us to look at

power generating alternatives.”

Axiom Engineers (www.axiomengineers.com) approached McMinn with an innovative concept: A new but proven energy technology that would generate power nearly seven times more cleanly than the local utility power plants.* As an added benefit, the ultra-low-emission exhaust would provide process hot water and facility heating in cooler months. The 600°F exhaust would also chill a glycol loop to 40°F for cooling via an innovative adsorption chiller – a device that creates refrigeration for process cooling using heat

THE ISSUE:

Ensure power certainty while reducing energy costs.

THE SOLUTION:

A combined chilling, heating and power (CCHP) solution creates reliable, more cost-efficient power daily with the added benefit of exhaust-driven heating and cooling.

Entrance to Vineyard 29 in St. Helena.

SOLUTION SUCCESSES:

• Offsets utility power costs

• Powered the crush process during a PG&E outage

• State’s self-generation incentive program covers microturbine equipment cost

• Serves as the primary water heating and cooling source for the facility

• Displaces much higher emission utility power and traditional boilers

• Eliminates the need, cost, maintenance and pollutants of a standby generator

• State interconnection and emissions pre- certifications aid permitting process

energy instead of electric energy.

300000-016a

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