ESS Tech

ESS Tech

Electrical Equipment & Parts
ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. The company design and produce long-duration batteries predominantly using earth-abundant materials.

$81M

Market Cap • 10/31/2025

2011

(14 years)

Founded

2021

(4 years ago)

IPO

NYSE

Listing Exchange

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United States

Country