ESS Tech, Inc. (GWH)
NYSE: GWH · Real-Time Price · USD
1.690
-0.030 (-1.74%)
At close: Aug 13, 2025, 4:00 PM
1.760
+0.070 (4.14%)
After-hours: Aug 13, 2025, 7:32 PM EDT

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.
ESS Tech logo
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 0001819438
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
Anthony A. Rabb Chief Financial Officer
Brian Lisiecki Chief Information Officer
Erik Bylin Head of Investor Relations
Chris Montgomery Senior Vice President of Supply Chain

Latest SEC Filings

Date Type Title
Aug 7, 2025 8-K Current Report
Jul 28, 2025 424B2 Prospectus
Jul 23, 2025 D Notice of Exempt Offering of Securities
Jul 22, 2025 424B2 Prospectus
Jul 15, 2025 424B2 Prospectus
Jul 11, 2025 8-K Current Report
Jul 11, 2025 424B2 Prospectus
Jul 11, 2025 424B3 Prospectus
Jun 4, 2025 8-K Current Report
May 30, 2025 SD Form - SD