# ESS Tech, Inc. (GWH-WT) — capital_raise/atm_program [announced]
Source: SEC API (secapi.ai) · situation sit_d8e063fdd9650d53f230 · retrieved 2026-08-14T01:29:16.573Z

## Overview
ESS Tech, Inc. is a leading provider of non-lithium energy storage solutions for commercial and utility-scale applications, developing sodium-ion battery energy storage systems and iron flow battery technology.

ESS Tech, Inc. signed a non-binding letter of intent for a strategic business combination with a private energy-sector company. The contemplated transaction implies a combined enterprise value of approximately $515 million, with the expected transaction value attributable to ESS representing a premium to the company's market capitalization at the time a definitive agreement is signed. If completed, ESS shareholders would be allocated an estimated 5 to 10 percent of the combined company.

## Terms
- Counterparty: Private energy-sector company · Deal value: $515.0M · Consideration: stock

## Key dates
- Announced 2026-08-11

## Timeline
- 2026-08-11 · 8-K (0001819438-26-000072): 8-K - ESS Tech, Inc. — *ESS Tech, Inc. is a leading provider of non-lithium energy storage solutions for commercial and utility-scale applications, developing sodium-ion battery energy storage systems and iron flow battery technology.* ESS Tech, Inc. signed a non-binding letter of intent for a strategic business combination with a private energy-sector company. The contemplated transaction implies a combined enterprise value of approximately $515 million, with the expected transaction value attributable to ESS representing a premium to the company's market capitalization at the time a definitive agreement is signed. If completed, ESS shareholders would be allocated an estimated 5 to 10 percent of the combined company.
  https://www.sec.gov/Archives/edgar/data/1819438/0001819438-26-000072.txt

## Citations
- 0001819438-26-000072 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000181943826000072