Vermont Microgird Combines Solar, Storage

August 14, 2014 By Linda Hardesty

microgrid energy manageA solar + storage microgrid project in Rutland, Vt. – the Stafford Hills project – is being developed by Green Mountain Power, in collaboration with Dynapower and GroSolar.

The energy storage component of the project is co-funded by a federal-state-NGO partnership involving the State of Vermont; the US Department of Energy, Office of Electricity; and the Energy Storage Technology Advancement Partnership (ESTAP), a project managed by Clean Energy States Alliance and Sandia National Laboratories.

The solar power and battery storage microgrid will provide power to a school that also serves as an emergency shelter. The project is being developed on a brownfield site, and it incorporates 7,722 solar panels, capable of generating 2.5 MW. It includes 4 MW of battery storage, both lithium ion and lead acid, to integrate the solar generation into the local grid and to provide resilient power in case of a grid outage.

Dynapower, a local Vermont firm, designed multi-port inverters specifically for the project.

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