ESS Tech, Inc. (GWH)
| Market Cap | 14.41M -37.0% |
| Revenue (ttm) | -1.17M -74.9% |
| Net Income | -65.83M |
| EPS | -2.71 |
| Shares Out | 39.37M |
| PE Ratio | n/a |
| Forward PE | n/a |
| Dividend | n/a |
| Ex-Dividend Date | n/a |
| Volume | 536,717 |
| Open | 0.4000 |
| Previous Close | 0.3947 |
| Day's Range | 0.3581 - 0.4050 |
| 52-Week Range | 0.3065 - 13.8700 |
| Beta | 1.35 |
| Analysts | n/a |
| Price Target | n/a |
| Est. Earnings | Nov 12, 2026 |
About GWH
ESS Tech, Inc., an energy storage company, engages in the design and production of iron flow batteries for commercial and utility-scale energy storage applications worldwide. It offers energy storage products, which include Energy Warehouse, a behind-the-meter solution; and the gigawatt-hour energy base storage product, a fully configurable layout that integrates with any site location and that allows the power to be decoupled from the capacity. The company was founded in 2011 and is headquartered in Wilsonville, Oregon.
Financial Performance
In 2025, ESS Tech's revenue was $1.58 million, a decrease of -74.85% compared to the previous year's $6.30 million. Losses were -$63.44 million, -26.42% less than in 2024.
Financial StatementsNews
ESS Tech Proxy statement: Proxy filing
ESS Tech filed a proxy statement on September 15, 2026, providing details for shareholder voting and corporate governance matters.
ESS Tech files to sell 13.12M shares of common stock for holders
This filing relates to the offer and sale from time to time by the selling stockholders of up to 13.12M shares of common stock. The company is not selling any…
ESS Tech Registration statement: Registration filing
ESS Tech filed a registration statement on September 8, 2026, providing details about a securities offering with the SEC.
ESS Tech achieves ‘Awardable’ status through DoW’s Tradewinds Solutions
ESS Tech (GWH) has achieved Awardable status through the Chief Digital and Artificial Intelligence Office’s Tradewinds Solutions Marketplace, positioning the company’s energy storage technology for co...
ESS announces $3.2M registered direct offering, concurrent private placement
ESS Tech (GWH) announced that it has entered into definitive agreements in a registered direct offering with institutional investors for the purchase and sale of 6.4M shares of common stock…
ESS Tech trading halted, news pending
13:07 EDT ESS Tech (GWH) trading halted, news pending
ESS Tech Transcript: Micro-Cap Virtual Conference
The conference highlighted a strategic pivot from iron flow to sodium ion batteries, driven by market demand for AI data center power solutions and U.S. supply chain incentives. Customer interest exceeds $1 billion, with commercialization and revenue growth expected to accelerate in 2027.
ESS Tech reports Q2 EPS (46c) vs (90c) last year
Reports Q2 revenue $73K vs. $2.4M last year. “The second quarter marked an inflection point for ESS as we accelerated our expansion into sodium-ion energy storage while maintaining the disciplined…
ESS Tech Earnings Call Transcript: Q2 2026
Q2 2026 saw a strategic pivot to sodium-ion battery solutions, with major LOIs signed for supply and deployment, and a proposed business combination aiming to strengthen scale and liquidity. Revenue declined sharply as legacy contracts wound down, but cost discipline improved cash burn and operating expenses.
ESS Tech Earnings release: Q2 2026
ESS Tech released its Q2 2026 earnings on August 11, 2026, summarizing the period's financial results.
ESS Tech Slides: Q2 2026
ESS Tech has posted slides in relation to its Q2 2026 quarterly earnings report, which was published on August 11, 2026.
ESS Tech Quarterly report: Q2 2026
ESS Tech has published its Q2 2026 quarterly earnings report on August 11, 2026.
ESS Tech reschedules Q2 financial results conference call
ESS Tech (GWH) announced that its second quarter 2026 conference call will now take place on Tuesday, August 11 at 5:00 p.m. EDT to discuss financial results for the quarter…
ESS Tech signs letter of intent for proposed business combination
ESS Tech (GWH) announced the signing of a non-binding Letter of Intent, LOI, for a proposed business combination with a private company in the energy sector. “ESS’ continued exploration of…
ESS Tech, Juniper Energy sign agreement for 500 MWh+ energy storage systems
ESS Tech (GWH) announced the signing of a Letter of Intent with Juniper Energy, a renewable energy development company, for the deployment of 500 MWh or more of sodium-ion battery…
ESS Tech announces launch of ESS Bridge
ESS Tech (GWH) announced the launch of the ESS Bridge, a modular sodium-ion battery energy storage system designed for utilities, AI-driven data centers, critical infrastructure operators, and commerc...
ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications
WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications.
ESS Tech added to Russell Microcap Index
ESS Tech (GWH) has been added as a member of the Russell Microcap Index, which was effective upon U.S. market openings on June 29, as part of the first 2026…
ESS Added to Russell Microcap® Index
WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Added to Russell Microcap® Index.
ESS Tech announces strong early customer engagement for U.S.-made BESS offering
ESS Tech (GWH) announced strong early customer engagement for its planned U.S.-made sodium-ion battery energy storage system, BESS, offering, focused on short- and medium-duration applications that ha...
ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest
WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest.
ESS Tech Transcript: AGM 2026
The meeting covered director elections, auditor ratification, and executive compensation, with all proposals approved. No questions were raised by stockholders, and forward-looking risks were referenced in SEC filings.
ESS Tech Transcript: Sidoti Micro-Cap Virtual Conference
Iron flow battery technology targets long-duration storage needs for utilities and hyperscalers, offering cost and performance advantages over lithium-ion for 10–24 hour applications. Major contracts with Google, SRP, and the U.S. Air Force are set for delivery in 2027–2028, with a focus on commercialization and financial discipline.
ESS Tech price target lowered to $2 from $2.50 at Roth Capital
Roth Capital analyst Justin Clare lowered the firm’s price target on ESS Tech (GWH) to $2 from $2.50 and keeps a Buy rating on the shares. The company reported a…