ESS Tech, Inc. (GWH)

NYSE: GWH · Real-Time Price · USD
0.8600
-0.0499 (-5.48%)
At close: May 18, 2026, 4:00 PM EDT
0.8800
+0.0200 (2.33%)
Pre-market: May 19, 2026, 6:59 AM EDT
Market Cap24.01M -9.0%
Revenue (ttm)1.11M -73.2%
Net Income-61.34M
EPS-3.24
Shares Out 27.92M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume539,246
Open0.9400
Previous Close0.9099
Day's Range0.8300 - 0.9400
52-Week Range0.5653 - 13.8700
Beta1.45
AnalystsStrong Buy
Price Target2.00 (+132.56%)
Earnings DateMay 7, 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.

Founded 2011
Employees 62
Stock Exchange NYSE
Ticker Symbol GWH
Full Company Profile

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 Statements

Analyst Summary

According to one analyst, the rating for GWH stock is "Strong Buy" and the 12-month stock price target is $2.0.

Price Target
$2.0
(132.56% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

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…

Other symbols: GOOGGOOGL
22 hours ago - TheFly

ESS to Attend Sidoti Micro-Cap Virtual Conference on May 20, 2026

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS to Attend Sidoti Micro-Cap Virtual Conference on May 20, 2026.

4 days ago - Business Wire

ESS Tech reports Q1 EPS (54c) vs ($1.50) last year

Reports Q1 revenue $128,000 vs $600,000 last year. “The first quarter and second quarter to date reflect continued initiatives to reset ESS around execution, capital discipline, and scalable commercia...

11 days ago - TheFly

ESS Tech Earnings Call Transcript: Q1 2026

Q1 2026 saw improved cost discipline, a narrowed net loss, and strategic moves including a partnership with Alsym Energy, VoltStorage acquisition, and major project wins. Technology validation and a strengthened balance sheet position the company for broader market opportunities.

11 days ago - Transcripts

ESS Tech Slides: Q1 2026

ESS Tech has posted slides in relation to its Q1 2026 quarterly earnings report, which was published on May 7, 2026.

11 days ago - Filings

ESS Tech Quarterly report: Q1 2026

ESS Tech has published its Q1 2026 quarterly earnings report on May 7, 2026.

11 days ago - Filings

ESS Tech Earnings release: Q1 2026

ESS Tech released its Q1 2026 earnings on May 7, 2026, summarizing the period's financial results.

11 days ago - Filings

ESS Tech, Inc. Announces First Quarter 2026 Financial Results

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Tech, Inc. Announces First Quarter 2026 Financial Results.

11 days ago - Business Wire

ESS Tech highlights third-party utility validating iron flow battery technology

ESS Tech (GWH) highlighted the findings of a final report issued in connection with Burbank Water and Power for the American Public Power Association to evaluate the application of ESS’…

12 days ago - TheFly

ESS Highlights Third-Party Utility Validating Iron Flow Battery Technology

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Highlights Third-Party Utility Validating Iron Flow Battery Technology.

12 days ago - Business Wire

ESS Tech commissions two ESS iron flow battery systems at Turlock Irrigation

ESS Tech (GWH) announced the successful commissioning of two ESS iron flow battery systems at Turlock Irrigation District in California’s Central Valley. The project pairs ESS iron flow battery techno...

13 days ago - TheFly

ESS Announces Successful Commissioning of Long-Duration Iron Flow Battery Systems at Turlock Irrigation District Solar-Over-Canal Project

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Announces Successful Commissioning of Long-Duration Iron Flow Battery Systems at Turlock Irrigation District Solar-Over-Canal Project.

13 days ago - Business Wire

ESS Partners with Alsym Energy to Deliver 8.5 GWh of Non-Lithium Battery Energy Storage Solutions

WILSONVILLE, Ore. & MALDEN, Mass.--(BUSINESS WIRE)--ESS Tech, Inc. (NYSE: GWH) ("ESS" or the "Company"), a leading manufacturer of sustainable, long‑duration energy storage systems (“LDES”), today ann...

18 days ago - Business Wire

ESS Tech signs LOI for partnership with Alsym Energy

ESS Tech (GWH) announced the signing of a letter of intent for a strategic partnership with Alsym Energy, a pioneer in non-flammable, high-performance sodium-ion batteries, to add 8.5 GWh of…

18 days ago - TheFly

ESS to Host First Quarter 2026 Financial Results Conference Call on Thursday, May 7, 2026 at 5:00 p.m. Eastern Time

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS to Host First Quarter 2026 Financial Results Conference Call on Thursday, May 7, 2026 at 5:00 p.m. Eastern Time.

25 days ago - Business Wire

ESS Tech Proxy statement: Proxy filing

ESS Tech filed a proxy statement on April 15, 2026, providing details for shareholder voting and corporate governance matters.

4 weeks ago - Filings

ESS Tech Proxy statement: Proxy filing

ESS Tech filed a proxy statement on April 15, 2026, providing details for shareholder voting and corporate governance matters.

4 weeks ago - Filings

ESS Tech engages MZ Group to lead investor relations, shareholder communication

ESS Tech (GWH) has engaged international investor relations specialists MZ Group to lead a comprehensive strategic investor relations and financial communications program across all key markets. MZ wi...

5 weeks ago - TheFly

ESS Engages MZ Group to Lead Strategic Investor Relations and Shareholder Communications Program

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Engages MZ Group to Lead Strategic Investor Relations and Shareholder Communications Program.

5 weeks ago - Business Wire

ESS to Attend the 38th Annual ROTH Conference

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS to Attend the 38th Annual ROTH Conference.

2 months ago - Business Wire

ESS Tech price target lowered to $2.50 from $3.50 at Roth Capital

Roth Capital analyst Justin Clare lowered the firm’s price target on ESS Tech (GWH) to $2.50 from $3.50 and keeps a Buy rating on the shares. The company reported weaker…

2 months ago - TheFly

ESS Tech Earnings Call Transcript: Q4 2025

2025 saw a strategic pivot to the Energy Base product, improved financials, and major contracts with the U.S. Air Force and SRP, with Google as an offtaker. Revenue is expected to ramp in 2027-2028 as deliveries begin, supported by a strengthened balance sheet.

2 months ago - Transcripts

ESS Tech Annual report: Q4 2025

ESS Tech has published its Q4 2025 annual report on March 5, 2026.

2 months ago - Filings

ESS Tech Earnings release: Q4 2025

ESS Tech released its Q4 2025 earnings on March 5, 2026, summarizing the period's financial results.

2 months ago - Filings

ESS Tech Slides: Q4 2025

ESS Tech has posted slides in relation to its Q4 2025 quarterly earnings report, which was published on March 5, 2026.

2 months ago - Filings