ESS Tech (ESS, Inc.) is an energy storage company based in Wilsonville, Oregon, founded in 2011. It makes non-lithium iron flow batteries that use iron, salt and water. Its main product is the Energy Base, a US-made system offering 10 or more hours of storage for commercial and utility-scale projects.
ESS develops long-duration energy storage based on iron flow chemistry. It positions the technology as a safer alternative to lithium-ion with fewer supply chain risks, for a grid facing new loads such as AI data centers.
Source: essinc.com, essinc.com
The Energy Base is ESS's US-made long-duration product, with 10+ hours of storage. ESS announced its first Energy Base order with a $31 million insider-led funding package in July 2025.
Source: essinc.com, Report (PDF)
ESS was founded in 2011 and is based in Wilsonville, Oregon. In 2026 the NYSE began delisting proceedings against ESS Tech (ticker GWH), so buyers should check its current financial standing.
Source: essinc.com, ir.theice.com
We found no ESS entry in the Science Based Targets initiative dashboard (checked October 16, 2026).
Source: sciencebasedtargets.org
ESS suits buyers that want long-duration, non-lithium storage made from abundant materials. Buyers should run financial due diligence given the listing status.
| Field | Value | Source |
|---|---|---|
| Headquarters | Wilsonville, Oregon, USA | COMPANY WEBSITE essinc.com |
| Founded | 2011 | COMPANY WEBSITE essinc.com |
| Ownership | No data | NO DATA |
| Employees | No data | NO DATA |
| Revenue (published) | No data | NO DATA |
| Operations and regions | No data | NO DATA |
| Customers and markets | No data | NO DATA |
| Facilities and capacity | No data | NO DATA |
| Technologies | No data | NO DATA |
| Certifications and standards | No data | NO DATA |
| Partners and named customers | No data | NO DATA |
Only what the company or an official register publishes. Targets and commitments are labelled as such. No data means we found no public figure, not that none exists.
| Field | Value | Source |
|---|---|---|
| PUE (published) | No data | NO DATA |
| WUE (published) | No data | NO DATA |
| Renewable energy share | No data | NO DATA |
| SBTi target status | Not found in SBTi export (checked 2026-10-16) | PUBLIC SOURCE sciencebasedtargets.org |
Iron flow batteries that use iron, salt and water. (essinc.com)
ESS's US-made storage product with 10+ hours of duration. (essinc.com)
The NYSE began delisting proceedings in 2026. (ir.theice.com)
Accessed Oct 24, 2026.
