ESS Tech, Inc.
CompanyESS Tech develops and manufactures long-duration iron flow batteries for grid-scale energy storage.
- Sector
- battery
- HQ
- OR, US
- Founded
- 2011
- Stories
- 4 on MGRID.org
Vendor profile
What they do
Developer of long-duration iron flow batteries partnering with Alsym Energy for sodium-ion cell supply under an 8.5 GWh supply agreement.
What they’re looking for
utilities and developers for long-duration grid storage contracts and cell supply partnerships
What they buy
sodium-ion and iron electrolyte materials, BMS components, power conversion systems, EPC services



