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ESS Tech, Inc. (GWH)

$0.88 +$0.02 (+2.47%) |Avoid · 15
Bottom line: SELL — our Council read (15/100) and AI Score (15/100) broadly agree.
MCap: $11.14M| Vol: 271.7K| Target: $2.00 (+126.2%)|
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

ESS Tech, Inc. (GWH) trades at $0.88 with AI Score 15/100 (Grade F). ESS Tech, Inc. specializes in designing and producing iron flow batteries for energy storage. Market cap: $11.14M, Sector: Industrials.

Price live · AI analysis from May 10, 2026
ESS Tech, Inc. specializes in designing and producing iron flow batteries for energy storage. Their solutions cater to commercial and utility-scale applications, offering both behind-the-meter and front-of-the-meter energy storage options.

GWH stock analysis for 2026: Analysts have set a consensus price target of $2.00 for ESS Tech, Inc., suggesting 126.2% upside from the current price of $0.88. The AI MoonshotScore is 15/100, indicating a strong bearish outlook. Key factors: analyst coverage, AI-driven quantitative scoring.

Council Score · Weighted Average of 3 Disciplines
SELL 15/100 · F

GWH: 1/1 perspectives are bearish.

How is this calculated? →
Council Score · 8 perspectives · See tabs for details →

ESS Tech, Inc. (GWH) Industrial Operations Profile

CEODrew Buckley
Employees240
HeadquartersWilsonville, OR, US
IPO Year2021

ESS Tech, Inc. (GWH) provides iron flow battery solutions for commercial and utility-scale energy storage, differentiating itself with Energy Warehouse and Energy Center products. Founded in 2011, the company addresses the growing demand for sustainable energy storage within the electrical equipment sector.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: May 10, 2026

What Is the Investment Thesis for GWH?

ESS Tech, Inc. presents an investment opportunity in the growing energy storage market, driven by the increasing adoption of renewable energy sources. The company's iron flow battery technology offers a differentiated value proposition with its long lifespan and environmental safety. However, the company's negative profit margin of -5515.8% and gross margin of -2904.9% indicate significant challenges in achieving profitability. Key catalysts include the expansion of renewable energy infrastructure and government incentives for energy storage. Investors should monitor the company's ability to scale production, reduce costs, and secure large-scale deployments to validate its technology and market position.

Based on FMP financials and quantitative analysis

GWH Key Highlights

  • Market capitalization of $11.14M reflects the company's current valuation in the energy storage market.
  • Negative profit margin of -5515.8% indicates substantial losses relative to revenue.
  • Negative gross margin of -2904.9% suggests challenges in covering the direct costs of producing and selling energy storage solutions.
  • Beta of 1.57 indicates higher volatility compared to the overall market.
  • No dividend yield reflects the company's focus on reinvesting earnings for growth.

Who Are GWH's Competitors?

GWH is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
VALE Vale S.A. $15.09 +0.67% $64.35B 50
ALB Albemarle Corporation $133.84 -1.27% $15.78B 54
LAC Lithium Americas Corp. $3.81 +1.33% $850.69M 50
CRPHY Ceres Power Holdings plc $3.34 +0.30% $1.43B 69
CPWHF Ceres Power Holdings plc $6.83 +0.80% $1.46B 69
EOSEW Eos Energy Enterprises, Inc. $1.47 -34.96% $423.22M 67
EOSE Eos Energy Enterprises, Inc. $5.11 -2.36% $1.48B 66
TE T1 Energy Inc $8.76 +2.28% $1.52B 50

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are GWH's Key Strengths?

  • Proprietary iron flow battery technology
  • Long lifespan and operational safety
  • Environmentally friendly energy storage solution
  • Focus on commercial and utility-scale applications

What Are GWH's Weaknesses?

  • Negative profit and gross margins
  • Limited market share compared to lithium-ion batteries
  • Dependence on securing large-scale deployments
  • Relatively small company size and resources

What Could Drive GWH Stock Higher?

  • Expansion of renewable energy infrastructure driving demand for energy storage.
  • Government incentives and regulations supporting energy storage deployment.
  • Potential partnerships with utility companies for large-scale deployments.
  • Development of integrated energy solutions with solar PV and microgrids.
  • Increasing adoption of energy storage in commercial and industrial sectors.

What Are the Key Risks for GWH?

  • Financial-distress signal — its Altman Z-Score of -28.55 sits in the distress zone (elevated bankruptcy risk).
  • Weak fundamentals — a Piotroski F-Score of 2/9 flags soft profitability, leverage or efficiency.
  • Competition from lithium-ion batteries and other energy storage technologies.
  • Fluctuations in raw material prices impacting production costs.
  • Regulatory changes affecting energy storage deployment.
  • Challenges in scaling production and reducing costs.
  • Dependence on securing large-scale deployments for revenue growth.

What Are the Growth Opportunities for GWH?

  • Expansion into Utility-Scale Energy Storage: ESS Tech can capitalize on the growing demand for grid-scale energy storage solutions with its Energy Center product. The utility-scale energy storage market is projected to reach significant capacity by 2030, driven by the need to integrate renewable energy sources and enhance grid reliability. Securing large-scale deployments with utility companies will be crucial for driving revenue growth and establishing market leadership.
  • Penetration of Commercial and Industrial (C&I) Market: The Energy Warehouse product offers ESS Tech an opportunity to serve the behind-the-meter energy storage needs of commercial and industrial customers. The C&I energy storage market is driven by factors such as demand charge reduction, backup power, and participation in grid services programs. Expanding the sales and distribution network to reach C&I customers will be essential for capturing market share.
  • Geographic Expansion: ESS Tech can pursue growth by expanding its geographic presence beyond its current markets. Regions with high renewable energy penetration and supportive government policies, such as Europe and Asia-Pacific, offer significant opportunities for deploying iron flow battery solutions. Establishing partnerships with local distributors and integrators will facilitate market entry and accelerate growth.
  • Development of Integrated Energy Solutions: ESS Tech can enhance its value proposition by developing integrated energy solutions that combine energy storage with other technologies, such as solar PV and microgrids. These integrated solutions can address the specific energy needs of customers in various sectors, including commercial, industrial, and residential. Collaborating with technology partners will enable ESS Tech to offer comprehensive energy solutions.
  • Leveraging Government Incentives and Regulations: ESS Tech can benefit from government incentives and regulations that support the deployment of energy storage technologies. These incentives may include tax credits, rebates, and mandates for energy storage procurement. Actively engaging with policymakers and participating in industry advocacy efforts will help ESS Tech to maximize its access to government support and drive market adoption.

What Opportunities Does GWH Have?

  • Growing demand for energy storage solutions
  • Expansion of renewable energy infrastructure
  • Government incentives for energy storage
  • Penetration of commercial and industrial market

What Threats Does GWH Face?

  • Competition from lithium-ion batteries
  • Technological advancements in alternative energy storage solutions
  • Fluctuations in raw material prices
  • Regulatory changes impacting energy storage deployment

What Are GWH's Competitive Advantages?

  • Proprietary iron flow battery technology offers a differentiated value proposition.
  • Long lifespan of iron flow batteries reduces lifecycle costs.
  • Operational safety of iron flow batteries minimizes risk.
  • Environmental benefits of iron flow batteries align with sustainability goals.

What Does GWH Do?

Founded in 2011, ESS Tech, Inc. is an energy storage company focused on designing, manufacturing, and deploying long-duration iron flow batteries. Headquartered in Wilsonville, Oregon, the company addresses the growing need for safe, sustainable, and cost-effective energy storage solutions. ESS Tech's core products include the Energy Warehouse, a behind-the-meter energy storage solution designed for commercial and industrial applications, and the Energy Center, a front-of-the-meter solution tailored for utility-scale energy storage projects. These products leverage the unique properties of iron flow battery technology, offering long lifecycles, operational safety, and environmental benefits. ESS Tech aims to provide solutions that enable the integration of renewable energy sources, enhance grid resilience, and reduce reliance on fossil fuels. The company targets a global market, focusing on regions with increasing renewable energy adoption and demand for grid-scale energy storage.

What Products and Services Does GWH Offer?

  • Designs and produces iron flow batteries for energy storage.
  • Offers Energy Warehouse, a behind-the-meter energy storage solution.
  • Provides Energy Center, a front-of-the-meter energy storage solution.
  • Targets commercial and industrial customers with Energy Warehouse.
  • Serves utility-scale energy storage projects with Energy Center.
  • Enables integration of renewable energy sources.
  • Enhances grid resilience through energy storage.
  • Reduces reliance on fossil fuels.

How Does GWH Make Money?

  • ESS Tech generates revenue through the sale of its Energy Warehouse and Energy Center products.
  • The company provides installation and maintenance services for its energy storage systems.
  • ESS Tech may offer financing solutions to facilitate customer adoption.
  • The company targets long-term service agreements for recurring revenue.

What Industry Does GWH Operate In?

ESS Tech, Inc. operates in the electrical equipment and parts industry, which is experiencing rapid growth due to the increasing demand for energy storage solutions. The global energy storage market is projected to reach billions of dollars in the coming years, driven by the expansion of renewable energy and the need for grid modernization. ESS Tech competes with other energy storage technology providers, including lithium-ion battery manufacturers and other flow battery companies. The company's iron flow battery technology offers a unique value proposition in terms of safety and lifespan, but it faces challenges in competing with the established scale and cost advantages of lithium-ion batteries.

Who Are GWH's Key Customers?

  • Commercial and industrial businesses seeking behind-the-meter energy storage.
  • Utility companies deploying front-of-the-meter energy storage for grid services.
  • Independent power producers integrating energy storage with renewable energy projects.
  • Microgrid operators seeking energy storage for enhanced reliability and resilience.
AI Confidence: 71% Updated: May 10, 2026

GWH Valuation & Market Position

With a $11.14M market cap, ESS Tech, Inc. sits in the micro-cap segment of the market. Relative to its peer group, GWH's quantitative score of 15/100 is below the peer average of 58/100.

F-Score 2/9Financial Health

ESS Tech, Inc.'s Piotroski F-Score is 2/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of -28.55 places it in the distress zone, a signal of elevated financial risk.

FY2026 estForward Outlook

Wall Street analysts project ESS Tech, Inc. revenue of about $500K for fiscal 2026, with EPS near $-1.68.

GWH Financials

Fundamental Snapshot

Revenue Growth (FY)
-74.9%
Net Income Growth (FY)
+26.4%
EPS Growth (FY)
+40.7%
Free Cash Flow Growth (FY)
+32.5%
Current Ratio
1.1

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

  • Recent insider buying suggests confidence in the company's long-term prospects, indicating that those closest to the business believe in its potential.
  • Community sentiment has shifted positively, with discussions around ESS Tech's innovative energy storage solutions gaining traction among investors.
  • The growing focus on renewable energy and sustainable technologies positions ESS Tech favorably in an expanding market.
  • Recent partnerships and collaborations have been highlighted, which could enhance their product offerings and market reach.

Bear Case

  • Concerns over the company's ability to scale production have been voiced, leading to skepticism about meeting future demand.
  • Negative community sentiment has emerged due to delays in product launches, raising doubts about execution capabilities.
  • Market perception remains cautious, with some analysts questioning the competitive landscape and ESS Tech's ability to differentiate itself.
  • Recent reports of supply chain challenges may hinder operational efficiency, causing unease among potential investors.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026

GWH Latest News

GWH Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for GWH.

Price Targets

Consensus target: $2.00

GWH MoonshotScore

15/100

What does this score mean?

The MoonshotScore rates GWH's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.

Leadership: Drew Buckley

CEO

Drew Buckley serves as the CEO of ESS Tech, Inc., leading the company's efforts in designing and producing iron flow batteries for energy storage applications. His background includes experience in the energy sector, with a focus on renewable energy and grid modernization. Prior to joining ESS Tech, Buckley held leadership positions at various technology companies, where he oversaw product development, sales, and marketing initiatives. He brings a strategic vision and operational expertise to ESS Tech, guiding the company's growth and market expansion.

Track Record: Under Drew Buckley's leadership, ESS Tech has focused on expanding its product portfolio and securing key partnerships with utility companies and commercial customers. He has overseen the development of the Energy Warehouse and Energy Center solutions, as well as the company's efforts to scale production and reduce costs. Buckley has also played a key role in raising capital and attracting investors to support ESS Tech's growth initiatives.

GWH Industrials Stock FAQ

What does ESS Tech, Inc. do?

ESS Tech, Inc. specializes in the design, manufacture, and deployment of iron flow batteries for energy storage applications. Their primary focus is on providing long-duration energy storage solutions for commercial, industrial, and utility-scale projects. The company's Energy Warehouse and Energy Center products offer safe, sustainable, and cost-effective alternatives to traditional battery technologies, enabling the integration of renewable energy sources and enhancing grid resilience. ESS Tech aims to address the growing need for reliable and environmentally friendly energy storage solutions in a rapidly evolving energy landscape.

What do analysts say about GWH stock?

Analyst coverage of ESS Tech, Inc. (GWH) is limited, reflecting its relatively small market capitalization and early stage of development. Current sentiment acknowledges the potential of iron flow battery technology in the energy storage market, but also highlights the challenges in competing with established lithium-ion battery manufacturers. Key valuation metrics to monitor include revenue growth, gross margin, and cash burn rate. Investors may want to evaluate the company's ability to secure large-scale deployments and achieve profitability in the long term.

What are the main risks for GWH?

ESS Tech, Inc. faces several risks, including intense competition from lithium-ion battery manufacturers, which have established scale and cost advantages. Fluctuations in raw material prices, particularly for iron and other battery components, could impact production costs and profitability. Regulatory changes and policy uncertainties surrounding energy storage deployment may also pose challenges. Additionally, the company's ability to secure large-scale deployments and achieve commercial viability will be crucial for its long-term success.

What are the key factors to evaluate for GWH?

ESS Tech, Inc. (GWH) holds an AI score of 15/100 (low). Analysts target $2.00 (+126%). Not financial advice.

How frequently does GWH data refresh on this page?

GWH prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.

What has driven GWH's recent stock price performance?

ESS Tech, Inc. (GWH) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Proprietary iron flow battery technology. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider GWH overvalued or undervalued right now?

Valuing ESS Tech, Inc. (GWH) requires multiple metrics. Analysts target $2.00 (+126%) — upside seen. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

What research should beginners do before buying GWH?

Before investing in ESS Tech, Inc. (GWH), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) what Wall Street analysts recommend and their price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Financial data is based on the most recent available information.
  • Market projections and industry trends are subject to change.
  • This analysis is for informational purposes only and does not constitute investment advice.
Data Sources

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