Monday, November 18, 2013

Microgrid powers Borrego during emergency |

 This is just what the doctor ordered for the folks who went through Superstorm Sandy!  Microgrids with solar, storage, and generators can be community-owned, just like solar gardens, and can provide the resiliency needed to survive the recent uptick in severe weather and blackouts.

- Joy


On the afternoon of Sept. 6, 2013, intense thunderstorms blew into Borrego Springs, causing heavy rain, flash floods, high winds and severe lightning in the area. Lightning from the storm struck and shattered a power pole on the only transmission line serving the community, cutting electricity to all the town’s 2,780 power customers.

SDG&E crews work to restore power to Borrego Springs residents after intense thunderstorms cut electricity service to the area. — SDG&E

SDG&E repair crews quickly arrived on the scene and worked throughout the night to restore power to all customers. But this wasn’t a run-of-the-mill power restoration, as crews were able to make use of a special advantage: SDG&E’s Borrego Springs Microgrid. A first of its kind in the area, this Microgrid uses new smart grid technology – including local power generation, local energy storage, and automated switching – to create a more robust, resilient grid that can dynamically react to the changing environmental and system conditions. The Microgrid is connected to the grid, but can disconnect and function independently during emergencies, supplying vital electricity to the local community through its on-site resources. The project is partially funded by the U.S. Department of Energy and the California Energy Commission. 

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