ESS is an energy storage company that designs and produces iron flow batteries for commercial and utility-scale energy storage applications.
ESS has raised $15.0M in total funding. The most recent round was Post-IPO Equity. The last funding was announced in January 2026.
ESS's investors include Pangaea Ventures, Fidelity, Breakthrough Energy Ventures, BASF, Portland Seed Fund.
ESS is headquartered in Wilsonville, United States.
ESS is an energy storage company that designs and produces iron flow batteries for commercial and utility-scale energy storage applications.
ESS is at the Post-IPO Equity stage.
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"ESS — Funding & Investors." VCBacked, January 29, 2026, https://www.vcbacked.co/company/ess. Accessed August 13, 2026.
VCBacked. (2026). ESS — Funding & Investors. Retrieved August 13, 2026, from https://www.vcbacked.co/company/ess
{{cite web |title=ESS — Funding & Investors |url=https://www.vcbacked.co/company/ess |website=VCBacked |access-date=August 13, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated