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Virginia's First Utility-Scale Battery Storage Project
Dominion Energy has filed a petition with the Virginia State Corporation Commission (SCC) for approval of pilot projects featuring 16 megawatts of battery storage—the first utility-scale projects of their kind in Virginia.
The pilots will consist of three unique projects totaling 16 megawatts of energy storage. Each of the pilot projects are intended to test and refine different new technologies:
Energy storage is critical to providing continued reliability for our customers as we expand our renewable portfolio. Battery storage has made significant strides in recent years, in both efficiency and cost. We are excited to pilot 16 megawatts of battery storage in Virginia and these projects will enable Dominion Energy to better understand how best to deploy batteries to integrate renewables and provide grid reliability.
We operate the 4th-largest solar generation fleet in the United States, and our renewable energy portfolio continues to grow. These advanced commercial batteries will let us store energy and serve our customers with renewable generation even when the sun isn’t shining.
The batteries in this pilot can store 56 MWh of energy.
The safety of our employees and customers is our top priority. As with any lithium-ion battery, you are dealing with large amounts of stored energy in a small place, and fire is a danger associated with them. We have taken precautions with regards to the batteries’ physical placement to minimize hazards to our customers, their property and our employees. The industry continues to study this technology to improve the batteries’ safety characteristics.
The three proposed Central Virginia-based lithium-ion projects will cost approximately $33 million to construct. The experimental pilots would last five years once operational in Quarter 1, 2022.
The company is committed to providing our customers with a reliable, affordable and diverse supply of energy. The Grid Transformation & Security Act of 2018 enabled 30MW of battery storage generation to be developed as a pilot project. The pilot will allow us to study this emerging technology and understand how it fits into Virginia’s energy future. As the company continues to forge ahead as an industry leader in renewable energy, various storage technology will be needed to ensure a balanced and reliable energy grid.
Not at this time. Different kinds of generation are utilized depending on the magnitude of the demand.
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