Caught Red-Handed: We Present Evidence that ESS Tech Inc.’s Biggest Customer is Really an Undisclosed Related Party Without Operations

    ESS Tech Inc. (“ESS”, NYSE: GWH) develops and produces utility-scale batteries for long-duration storage of electricity employing a “simple yet revolutionary technology: iron, salt and water” The market for long-duration battery storage is highly competitive and technically challenging. We argue ESS’s claims about its technology are overstated and targeted at creating investor hype for laypeople regarding the field ...
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