In a recent filing with the Virginia State Corporation Commission (SCC), Dominion Energy Virginia has unveiled plans for a groundbreaking battery storage pilot project known as the "Darbytown Storage Pilot Project." This initiative aims to explore two new technologies that have the potential to extend the discharge duration of batteries used to supply electricity to the grid. The project could revolutionize energy storage by offering enhanced safety features and significantly longer discharge times compared to traditional lithium-ion batteries.
The Darbytown Storage Pilot Project will be situated at the existing Darbytown Power Station in Henrico County. It will test two promising alternatives to lithium-ion batteries: iron-air batteries developed by Form Energy and zinc-hybrid batteries developed by Eos Energy Enterprises. Form Energy's iron-air technology, in particular, has the capacity to discharge energy for up to an astonishing 100 hours, a considerable advancement compared to the standard four-hour limit of most batteries on the market.
This project aligns with Dominion Energy Virginia's commitment to renewable energy sources and sustainability. As the company proceeds with the development of the largest offshore wind project in the U.S. and expands its solar fleet, the introduction of longer-duration batteries could be a transformative step towards ensuring reliable and sustainable energy delivery to customers. Pending approvals, construction of the project is expected to commence by late 2024, with operational status anticipated by late 2026. Dominion Energy Virginia continues to expand its battery storage facilities, further solidifying its position in the evolving energy landscape.
Source: renewableenergyworld.com