gwh stock overview
GWH (ESS Tech, Inc.)
Short description: GWH is the New York Stock Exchange ticker for ESS Tech, Inc., a U.S.-based energy storage company that develops long-duration iron flow battery systems for commercial and utility-scale applications.
Lead / Summary
This guide provides a comprehensive look at GWH stock and the business behind the ticker. Readers will learn what ESS Tech does, why its iron flow battery approach matters for long-duration energy storage, how GWH stock is listed and traded, the company’s recent financial profile, ownership and liquidity characteristics, material risks, and where to follow real-time market data. If you want to monitor or trade GWH stock, Bitget provides tools for live quotes and trading, and Bitget Wallet is recommended for related Web3 interactions.
As of Jan 25, 2026, according to Yahoo Finance and the company’s investor relations updates, ESS Tech is a micro-cap public company with a history of operating losses and early-stage commercial deployments. This article compiles publicly reported facts and commonly cited market-data metrics to help beginners and investors better understand GWH stock and ESS Tech’s business trajectory.
Company overview
Founded in 2011 and headquartered in Wilsonville, Oregon, ESS Tech (ESS Tech, Inc.) aims to deliver long-duration energy storage using iron, salt and water electrolytes. The company’s mission centers on enabling grid reliability, renewable integration and decarbonization through lower-cost, long-duration storage that relies on earth-abundant materials.
Core product families reported by the company include the Energy Warehouse and Energy Center systems. These modular systems are designed for 4+ hour duration applications and scale to commercial and utility deployments. ESS Tech targets two primary markets:
- Behind-the-meter commercial and industrial customers that need multi-hour discharge capacity to shave demand charges or support on-site renewable integration.
- Front-of-the-meter utility and independent power producer projects for seasonal shifting, capacity services and grid resilience.
ESS Tech positions its iron flow battery systems as differentiated by long-duration capability, use of low-cost raw materials, and a system architecture meant for ease of manufacturing and deployment. The company has pursued pilot projects, early commercial orders, and utility pilots to validate its technology and business model.
Ticker and market listing
The ticker symbol for ESS Tech on the New York Stock Exchange is GWH. GWH stock trades on the NYSE under regular U.S. market hours (typically 9:30 AM to 4:00 PM Eastern Time, with pre- and post-market trading available through participating broker platforms). Quote data on many public sites may be subject to short delays; for live execution and trading, consult your trading venue.
As of company filings and market reporting, ESS Tech completed public listing activity around late 2020 to early 2021 through public market transactions reported in regulatory filings and press releases. Investors and market participants commonly reference the NYSE quote page and major financial data providers for up-to-date pricing and historical charts for GWH stock.
If you plan to trade or monitor GWH stock intraday, consider using Bitget for real-time market access and Bitget’s market data tools for mobile and desktop. Bitget’s order routing and market interface can provide fast quote updates for NYSE-listed tickers such as GWH stock.
Business model and technology
ESS Tech’s core technology is an iron flow battery chemistry that uses iron, salt and water as the primary electrolyte materials. In a flow battery, energy is stored in liquid electrolytes that circulate through electrochemical cells; energy and power are decoupled, enabling flexible scaling of discharge duration by adding more electrolyte storage tanks.
Key technical and commercial characteristics of ESS Tech’s approach:
- Iron-based chemistry: Uses iron, a widely available and low-cost element, reducing raw material exposure to scarce critical minerals.
- Long-duration focus: Systems are sized for durations typically exceeding four hours, making them suitable for shifting solar or wind generation across longer intervals or providing sustained backup power.
- Modular system architecture: Product families like Energy Warehouse are designed to scale from commercial rooftops to multi-megawatt utility installations by combining repeatable modules.
- Safety and durability: Because the electrolyte is water-based and non-flammable, ESS Tech emphasizes safety advantages relative to some high-energy-density chemistries.
Typical applications for ESS Tech systems include daily renewable firming, demand charge management, capacity services, microgrids and resiliency installations. The company positions itself to win in markets where multi-hour and long-duration storage is more valuable than short-duration batteries focused primarily on frequency regulation or fast response.
Financial profile
ESS Tech’s financial profile reflects an early commercial-stage energy-technology company. Public reporting and market summaries characterize the company as having low single-digit millions in annual revenue in recent reported periods and recurring net losses with negative earnings per share. These characteristics are often summarized by market platforms as “micro-cap” with limited revenue scale to date.
Balance-sheet highlights reported in filings and company updates have historically emphasized the need to finance ongoing commercial expansion and manufacturing scale-up. The company has used a mix of equity and debt financing and strategic partnerships to fund operations; many early-stage energy technology companies report periodic capital raises to support growth.
As of Jan 25, 2026, according to ESS Tech investor communications and aggregated market data, GWH stock remains a micro-cap with ongoing operating losses. Readers should review the company’s most recent quarterly and annual filings on its investor relations page for current cash, debt and working capital figures before drawing conclusions.
Note: This article provides factual descriptions of reported financial trends; it is not financial advice. For precise, current balance-sheet numbers (cash, total debt, convertible securities), consult the company’s SEC filings and investor relations releases.
Stock performance and market data
GWH stock has shown volatility typical of early-stage technology and cleantech public companies, with share-price swings driven by financial releases, project announcements, and broader renewable/energy-storage sentiment.
Common market indicators used by analysts and retail investors to assess GWH stock include:
- 52-week range: Many financial portals display a 52-week high and low for GWH stock that illustrate volatility. Check a live quote provider or Bitget’s market pages for current high/low ranges.
- Average daily volume and float: GWH stock’s average volume and public float have historically been modest compared with large-cap stocks, contributing to relatively higher intraday volatility for price moves.
- Technical indicators: Market sites like TradingView and other charting services show commonly used indicators—moving averages, RSI, MACD—which traders use to interpret momentum for GWH stock.
As of Jan 25, 2026, short-term price movement and volume data reported by market data providers reflect ongoing interest from retail and specialized institutional participants. If you monitor GWH stock, rely on up-to-date charting tools and official quote feeds rather than static snapshots.
Ownership and share structure
Public data sources report that ESS Tech’s shares outstanding and float are concentrated relative to many larger public companies. Several data feeds note materially elevated insider ownership percentages and relatively low institutional ownership compared with larger-cap utilities and battery manufacturers. These ownership characteristics can influence trading dynamics for GWH stock:
- Shares outstanding and float: Estimates of shares outstanding and free float vary by reporting date and corporate actions. Investors should consult the latest company filings for exact share counts and any recent dilutive issuances.
- Insider ownership: Founders, executives and early investors often hold meaningful stakes; some data portals report insiders retain a significant portion of shares, which can constrain float.
- Institutional ownership: Historically lower institutional ownership has been reported for GWH stock, though coverage can change with new analyst attention or index inclusion.
- Short interest and liquidity: Short interest figures and days-to-cover metrics are periodically published by market data providers; GWH stock’s smaller float can sometimes lead to larger percentage short-interest figures versus large-cap names.
Due to these structural attributes, liquidity and price impact for GWH stock can be more pronounced on larger orders. Traders are advised to use limit orders and be mindful of bid-ask spreads when transacting.
Corporate governance and management
Key executives and board members for ESS Tech have been disclosed in public filings and company communications. Leadership roles typically include the CEO, CFO, CTO or chief product officer, and heads of manufacturing or commercial development.
As of the most recently available company disclosures through Jan 25, 2026, ESS Tech’s executive team focuses on scaling manufacturing, securing project pipelines, and bringing commercial systems to market. Any material management changes—such as CEO transitions, board additions or departures—are reported to investors via press releases and SEC filings and can materially affect investor sentiment toward GWH stock.
Investors should review the company’s proxy statements and investor relations releases for current director biographies, compensation practices, and governance policies.
Major contracts, customers and projects
ESS Tech has reported pilot projects, early commercial orders and utility pilots in press releases and customer announcements. These deployments serve as commercial validation for its iron flow battery systems and help build a pipeline for larger utility-scale projects.
Examples of go-to-market activities commonly described in company materials and news coverage include:
- Utility pilots to demonstrate integration and performance for grid services.
- Commercial and industrial installations for demand charge management and resiliency.
- Announced orders or memoranda of understanding that outline future deliveries.
As of Jan 25, 2026, company press releases and industry reports indicate ESS Tech continues to pursue project wins and manufacturing scale to convert pilot deployments into recurring revenue. Investors examining GWH stock should track announced orders, project commissioning milestones and customer testimonials as indicators of commercialization progress.
Analyst coverage and investor sentiment
Analyst coverage for GWH stock has been intermittent and has varied in scope. Coverage that exists tends to focus on technology assessment, commercialization risk, and the broader market for long-duration storage.
Retail investor interest in GWH stock is visible on social platforms and equity idea sites, where discussion volume can fluctuate with press releases, earnings reports and high-visibility project announcements. Sentiment metrics on social platforms and market-data sites can provide a sense of retail engagement but should be interpreted cautiously and in context with fundamentals.
Price targets and analyst ratings, when available, have historically shown broad ranges reflecting divergent views on adoption timelines for long-duration storage and the company’s ability to scale manufacturing profitably. As of Jan 25, 2026, investors should consult the latest sell-side and independent research notes for up-to-date target ranges and analyst rationale.
Risks and controversies
Investing in GWH stock involves several principal risks commonly associated with early-stage cleantech companies. Notable risk categories include:
- Ongoing operating losses: ESS Tech has reported recurring net losses and negative EPS in recent reporting periods, typical for companies scaling new manufacturing and commercialization efforts.
- Micro-cap and liquidity risk: Small market capitalization and constrained public float can lead to higher price volatility and wider bid-ask spreads for GWH stock.
- Execution and commercialization risk: Scaling up production of novel battery systems carries manufacturing, supply-chain and installation risks that can delay revenue realization.
- Technology and performance risk: Although iron flow chemistries offer certain safety and material benefits, achieving commercial performance, reliability and lifecycle economics at scale is not guaranteed.
- Financing risk: Continued operations and growth may require additional capital raises, which can be dilutive to existing shareholders.
- Legal and litigation risk: Like many public companies, ESS Tech has faced or noted in filings the potential for shareholder claims or class-action notices tied to market disclosures; such matters are disclosed in SEC filings when material.
As of Jan 25, 2026, public filings and market commentary highlight these principal risks. Investors should read the company’s most recent risk-factor disclosures and management discussion in periodic filings before forming an investment view on GWH stock.
Recent developments and corporate actions
To stay current on developments affecting GWH stock, monitor the company’s investor relations releases and filings for items such as earnings releases, material contracts, financings, management changes or SEC filings.
As of Jan 25, 2026, market platforms and the company’s public updates indicate ongoing efforts to expand manufacturing capacity, secure project pipelines, and pursue commercial deployments. Specific recent items commonly reported by financial news pages and the company include press releases announcing pilot completions, order acknowledgments and capital-raising activities.
Investors tracking GWH stock should note the timing and substance of these releases: project milestones and funded orders can provide revenue visibility, while capital raises and convertible instruments can change share counts and capital structure.
Comparison and peers
GWH stock sits within the broader energy-storage and battery sector. Comparable companies and peers include manufacturers and developers specializing in long-duration storage, flow batteries, and other lower-cost large-scale storage solutions.
How GWH differs from many battery peers:
- Chemistry: ESS Tech uses an iron-based flow chemistry, emphasizing earth-abundant materials versus higher-cost or scarcity-exposed cathode materials used in some other chemistries.
- Duration focus: The company targets multi-hour and longer-duration use cases rather than primarily sub-hour or fast-response storage.
- Market stage: ESS Tech is in earlier commercial stages compared with established large-scale lithium providers and diversified energy-storage systems integrators.
For contextual analysis, review peer company filings and product datasheets, and compare technology disclosures, manufacturing scale strategies and recent contract awards.
References and data sources
This article compiles information from the following public sources and market-data providers. Readers should consult the primary pages for the latest live quotes, filings and press releases:
- Yahoo Finance (GWH) — for market quotes, charts and aggregated news. As of Jan 25, 2026, Yahoo Finance lists GWH’s market data and historical price series.
- Company investor relations (ESS Tech investor relations) — primary filings, press releases and investor presentations. As of Jan 25, 2026, consult the IR page for SEC filings and official company releases.
- TradingView — for charting and technical indicators commonly referenced by traders analyzing GWH stock.
- Finviz — for snapshot metrics and ownership summaries that outline float, insider and institutional ownership.
- CNBC quote page and other financial news portals — for headline coverage and market commentary.
- Stocktwits and Webull — for retail sentiment and discussion volume indicators.
- NYSE quote page — authoritative exchange quote for GWH stock listings and trading details.
As of Jan 25, 2026, according to Yahoo Finance and TradingView reports, GWH stock remains an early-stage, micro-cap energy-storage company with ongoing operations and project development. For time-sensitive metrics such as share price, market capitalization and volume, always consult live market data from your trading venue or Bitget’s market pages.
See also
- Long-duration energy storage
- Flow battery technology
- Utility-scale battery projects
- Comparative company pages for energy storage manufacturers
External links
- ESS Tech investor relations (company IR materials) — use the company’s investor pages to access SEC filings and press releases.
- Market data providers (Yahoo Finance, TradingView, Finviz, NYSE quote page) — for live quotes and charts.
Further reading and next steps: If you want to follow GWH stock prices in real time or place trades, consider creating an account on Bitget to access market data, trading tools and secure custody through Bitget Wallet for related Web3 interactions. Explore the company IR page for primary filings and press releases before making any trading decision.
Note on timeliness and sources: this article synthesizes publicly reported facts and commonly cited market metrics as of Jan 25, 2026. Readers should verify the latest numbers and filings on the ESS Tech investor relations page and through live market-data feeds.
Call to action: To monitor GWH stock live, explore Bitget’s market pages and consider Bitget Wallet for secure Web3 asset handling and integration with market tools.






















