Ess Tech, INC

• Plant closing notice effective MAY 30, 2025 · 195 employees · filed MAY 27, 2025 · Permanent closure — a federal source has recorded the plant since, so this notice does not set its status

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

What they make

• data centers
• grids
• microgrids
• iron flow chemistry

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
EIEss INC	Wilsonville	Battery Manufacturing 335911	◐ LIKELY ACTIVE	0.0 KM
RURadiall Usa, INC.	Tualatin	Electronic Connector Manufacturing 334417	● ACTIVE	5.0 KM
Western Precision Products INC	Tualatin	Machine Shops 332710	● ACTIVE	4.7 KM
TMTualatin Manufacturing Plant	Tualatin	All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999	◐ LIKELY ACTIVE	5.1 KM
Zincfive, LLC	Tualatin	Battery Manufacturing 335910	● ACTIVE	5.3 KM

Every listed plant in Clackamas County

Also at this address

No other federal record shares this street address.

Where this record comes from

7 sources hold this plant, and 13 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in TRIS · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record S6ZKYTZ14YC7 · first seen FEB 2026 · last seen OCT 2026
• State WARN plant-closing and layoff noticesEXISTENCE
  first seen MAY 2025 · last seen MAY 2025
• DOL Form 5500 retirement plan filingsOPERATING
  Record 981550150|OR|97070|26440 sw pkwy ave · first seen DEC 2024 · last seen DEC 2024
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2024 · last seen DEC 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110071433871 · first seen JUN 2023 · last seen JUN 2023
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record OR|wilsonville|26440 sw pkwy ave · first seen APR 2020 · last seen APR 2020

IN CLACKAMAS COUNTY11 other plants share this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 3 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: ESS TECH INC · JUL 2026 · ON THIS PAGE

SAM.gov: ESS TECH, INC · ON THIS PAGE

Street addressSOURCES DISAGREE

EPA: 26440 SW PARKWAY AVE · JUL 2026

SAM.gov: 26440 SW PARKWAY AVE # 83 · ON THIS PAGE

City

EPA: WILSONVILLE · JUL 2026 · ON THIS PAGE

SAM.gov: WILSONVILLE · ON THIS PAGE

State

EPA: OR · JUL 2026 · ON THIS PAGE

SAM.gov: OR · ON THIS PAGE

County (FIPS code)

EPA: 41005 · SEP 2026

Coordinates

EPA: 45.328441,-122.76883 · JUL 2026

Employees (band)

DOL: 100-499 · DEC 2024

Website

SAM.gov: www.essinc.com

Year established

Company website: 2011 · AUG 2026

CAGE code

SAM.gov: 6EZM3

Retirement plan filing (Form 5500)

DOL: 226 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

PPP loan

SBA PPP: PPP loan x1, approved 2020-04-07, 60 jobs reported · APR 2020

SAM registration expires

SAM.gov: 2027-02-02