Washington State’s New 8 Megawatt-hour Flow Battery is the Largest of Its Kind

Megan Geuss – Ars Technica:

A company called UniEnergy Technologies (UET) has installed a new large flow battery on the grid in Snohomish County in Washington state. The 2MW, 8MWh battery system may seem like a small installation compared to recent projects in Southern California and Hawaii, but it’s quite a step for the nascent flow battery industry. In fact, this installation is currently the largest capacity containerized flow battery system in the world. It’s housed in 20 connected shipping containers and will be used by the Snohomish Public Utility District (otherwise known as SnoPUD), which has also invested in lithium-ion battery installations.

A modest installation would provide overnight and calm wind backup for solar- and wind turbine-generated electricity. Smart.

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