ESS, Inc. is a leading provider of long-duration (4+ hours) energy storage solutions, offering the Energy Warehouse (EW), a high-performing iron flow battery designed for C&I, utility, microgrid, and off-grid applications. With a remarkable capability of up to 8 continuous hours of energy delivery and a 20+ year operating life with no capacity degradation, the EW sets itself apart. Composed of earth-abundant iron, salt, and water for its electrolyte, the EW promises safety, longevity, and the lowest levelized cost of storage (LCOS) per kWh. Founded in 2011 by a team with extensive expertise in fuel cells, electrochemistry, advanced material science, and renewable energy, ESS has focused on innovation, engineering development, and validation. Backed by ARPA-E and others, the company commenced shipping turn-key battery solutions in 2016. Notably, in 2017, the world's leading chemical company, BASF, became a significant investor in ESS, aligning their efforts to deliver sustainable energy storage solutions. With its headquarters in the United States, ESS received a $27.50M Post-IPO Equity investment from Honeywell on 25 September 2023. As ESS continues to drive the transition towards a cleaner energy future, it stands as a prominent player in the Energy, Renewable Energy, and Energy Storage industries. For further updates, follow ESS on Twitter at @ESS_info or visit their website at www.essinc.com.
Funding Stage | Amount | No. Investors | Investors | Date |
---|---|---|---|---|
Post-IPO Debt | $50.00M | 1 | Export-Import Bank of the United States | 27 Jun 2024 |
Post-IPO Equity | $27.50M | 1 | Honeywell | 25 Sep 2023 |
Post-IPO Equity | $250.00M | 6 | SB Energy, Koch Industries +1 | 11 Oct 2021 |
Series C | $30.00M | 9 | SB Energy, PTT Global Chemical Public Company +1 | 28 Oct 2019 |
Convertible Note | Unknown | 1 | 01 Jan 2019 |
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