FEOC
All Manufacturers

ESS Inc.

Clean
🇺🇸 United StatesWilsonville, OR, USABattery Cells & StoragePublic (NYSE: GWH)

Last verified: 2026-04-22

Risk Summary
Country RiskLowHQ in United States (allied nation)
Entity List ExposureLowNot on any lists
Ownership RiskLowPublic (NYSE: GWH)
Domestic AlternativeLow19 allied/US options available

Entity List Screening

ListAgencyStatusYear
BIS Entity ListBureau of Industry and SecurityNot Listed2026
OFAC SDN ListOffice of Foreign Assets ControlNot Listed2026
DOD Section 1260HDepartment of DefenseNot Listed2026
UFLPA Entity ListCustoms and Border ProtectionNot Listed2026
SEC DisclosuresSecurities and Exchange CommissionNot Listed2026
IRS FEOC GuidanceInternal Revenue ServiceNot Listed2026

Ownership Structure

Public company (no controlling shareholder)
🇺🇸 United StatesIndividual / Shareholder
ESS Inc.
🇺🇸 United StatesManufacturer

Source: SEC filings, stock exchange disclosures, corporate registry data. Ownership percentages reflect most recent available disclosure.

Compliance Assessment

US-headquartered. Domestic manufacturing. Iron flow battery technology with no China supply chain dependency. No FEOC ownership links.

Key Factors

  • Headquartered in United States, an allied nation
  • Ownership: Public (NYSE: GWH)
  • Has confirmed US domestic manufacturing operations
  • Not listed on any federal entity lists
  • US iron flow battery manufacturer. No critical mineral dependency on China. Clean FEOC status.

Products & Equipment

Iron flow batteries (Energy Warehouse)Long-duration energy storage (Energy Center)

Domestic manufacturing confirmed

Operating: Wilsonville, OR manufacturing facility.

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Panasonic EnergyClean
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EVE EnergyFlagged
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Data Sources

  • SEC EDGAR - GWH 10-K
  • BIS Consolidated Screening List

This information is for reference only and does not constitute legal advice. Compliance determinations should be verified with qualified legal counsel. Entity list data is sourced from publicly available federal databases and may not reflect the most recent updates.