Company Description

ESS Tech, Inc., an energy storage company, designs and produces iron flow batteries for commercial and utility-scale energy storage applications worldwide.

It offers energy storage products, which include Energy Warehouse, a behind-the-meter solution; Energy Center, which is designed to allow customers to connect multiple units in various configurations and supporting energy storage projects ranging from sub-megawatt to tens-of-megawatt scale; and Energy Base, a gigawatt-scale storage product.

The company was founded in 2011 and is headquartered in Wilsonville, Oregon.

ESS Tech, Inc.

Country	United States
Founded	2011
Industry	Electrical Equipment & Parts
Sector	Industrials
Employees	240
CEO	Kelly Goodman

Contact Details

Address: Building 83, 26440 SW Parkway Avenue Wilsonville, Oregon 97070 United States
Phone	855 423 9920
Website	essinc.com

Stock Details

Ticker Symbol	GWH
Exchange	NYSE
Stock Type	Common Stock
Fiscal Year	January - December
Reporting Currency	USD
CIK Code	1819438
CUSIP Number	26916J205
ISIN Number	US26916J2050
Employer ID	98-1550150
SIC Code	3690

Key Executives

Name	Position
Kelly F. Goodman J.D.	Interim Chief Executive Officer and Corporate Secretary
Kate Suhadolnik	Controller, Interim Chief Financial Officer and Principal Financial and Accounting officer
Jigish Trivedi	Chief Operating Officer
Brian Lisiecki	Chief Information Officer
Erik Bylin	Head of Investor Relations
Paul Notti	Vice President of Sales and Business Development

Latest SEC Filings

Date	Type	Title
Dec 11, 2025	EFFECT	Notice of Effectiveness
Dec 11, 2025	424B3	Prospectus
Dec 11, 2025	424B5	Filing
Dec 5, 2025	8-K	Current Report
Nov 13, 2025	8-K	Current Report
Nov 13, 2025	S-3	Registration statement under Securities Act of 1933
Nov 13, 2025	8-K	Current Report
Nov 13, 2025	424B5	Filing
Nov 13, 2025	10-Q	Quarterly Report
Oct 22, 2025	424B2	Prospectus

View All SEC Filings