A Building Scale Renewable DC Microgrid

A Building Scale Renewable DC Microgrid

Robert Bosch LLC is developing a direct current (DC) microgrid in a Honda parts distribution center that will connect solar arrays to DC-based energy storage and loads.
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One of the goals of Bosch’s DC microgrid project is to demonstrate onsite solar energy that doesn’t negatively impact the utility grid.

Green Builder Media

Tuesday, June 30, 2015 - 7:00am

CAMPAIGN: Ethical and Sustainable Living

CONTENT: Article

ROBERT BOSCH LLC MAY SOON be changing the solar energy game. In February 2015, the California Energy Commission announced a $2.8 million grant award to the Farmington Hills, MI-based company to demonstrate a high-penetration, renewable microgrid.

With the grant money, Bosch will procure and install its newly developed direct current (DC) building-scale microgrid platform in the American Honda Motor Company parts distribution center in California.

“The project involves incorporating a solar photovoltaic (PV) array on the rooftop and connecting it directly to lighting, ventilation and other major electrical loads in the facility on a direct current bus,” explains John Saussele, project director, building grid technologies at Robert Bosch LLC. “We will convert the lighting and the ventilation within the building to operate on direct current and will add a large amount of battery storage capacity, in order to demonstrate the advantages of a DC connection between all these devices and the PV array.” Such advantages include improved energy efficiency when utilizing renewable sources, higher reliability and the ability to operate during a blackout.

The DC microgrid project is slated to commence development in 2016. In the meantime, Bosch is working on other demonstration projects.