Sonoma Vineyard Seeks Self-Sufficiency with Multi-Renewable Microgrid and Storage

Stone Edge Farm, a spa and vineyard in Sonoma, California, announced the selection of Emerson Automation Solutions on January 24 to provide efficient and reliable operation of its new microgrid – which Stone Edge describes as “a self-sufficient energy production and distribution facility relying on diverse sources of electricity, including solar power, wind power, hydrogen power, and advanced storage battery technology.

The microgrid project strives to not only reduce the property’s greenhouse gas emissions, but also to achieve energy independence – safely disconnecting from the grid and working autonomously during power outages. Conversely, when the microgrid is connected, the farm will be able to draw supplemental power from the grid if needed, or sell excess power back to the grid.

“From the beginning, it was our vision to push the boundaries of microgrid technology and renewable energy,” said Craig Wooster, CEO of Wooster Engineering, which awarded the automation contract to Emerson. “We want to reduce the carbon footprint of the 16-acre property, attain a degree of energy independence, and become a showcase of environmental sustainability. Emerson’s automation technologies will play an important role in helping us achieve these goals.”

Emerson’s Ovation Controller and full line of technology help to ensure efficient and reliable operation of the microgrid, providing the operator with a view of all generating assets and implementing the optimal way to meet energy demands while reducing environmental impact.

The Ovation system will manage internal microgrid operations, including solar photovoltaic and thermal rooftop systems, wind turbines, battery storage systems and a microturbine within a combined heat and power plant. It also will interface to systems controlling the microgrid’s connection to the electrical grid through Pacific Gas & Electric, the local electric provider.

Emerson, headquartered in St. Louis, is a global technology and engineering company providing solutions for customers in industrial, commercial, and residential markets.

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