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ESS Tech, Inc. (GWH) Stock Analysis

Industrials

ESS Tech, Inc.

$1.01

+$0.05 (+5.48%)

Last Updated: May 26, 2026

Price History

Analysis

Company Overview

ESS Tech, Inc. operates within the Industrials sector as a manufacturer of electrical equipment and parts, specifically focusing on the design and production of iron flow batteries for commercial and utility-scale energy storage applications. The company provides a range of energy storage products that include the Energy Warehouse, a behind-the-meter solution, alongside gigawatt-hour energy systems designed for global deployment. This mid-cap enterprise currently holds a market capitalization of $34.63M and employs a workforce of 62 individuals to support its manufacturing and operational activities. With reported annual revenue of $1.58M, the company's financial scale indicates a niche market presence where capital intensity and specialized engineering capabilities are paramount, rather than broad-scale volume dominance typical of larger industrials peers.

Financial Health

The company's financial performance over the trailing twelve months (TTM) demonstrates significant operational losses, recording a revenue of $1.58M alongside a net income of $-63,440,000 and an EBITDA of $-49,967,000. The substantial discrepancy between the modest revenue figure and the massive negative net income reveals a highly aggressive cost structure or significant non-operating expenses that erode profitability at a rate exceeding the total revenue generated. Free cash flow for the period stands at $-33,338,250, indicating that the company is currently burning cash at a rate that exceeds its operating earnings, which limits immediate financial flexibility for debt repayment or capital expenditures without external financing. The margin profile presents an anomalous picture where the gross margin and profit margin are both listed at 0.0%, suggesting that costs of goods sold may be nearly identical to revenue or that accounting treatments are neutralizing these specific layers of profitability. Conversely, the operating margin is reported at 1019.7%, a figure that mathematically implies negative operating costs relative to revenue or a specific accounting classification where operating expenses are negligible compared to the loss, creating a divergent signal from the gross and profit margins. On the balance sheet, the company holds $22.03M in cash against $21.18M in debt, resulting in a debt-to-equity ratio of 245.75, which characterizes a highly leveraged capital structure where debt significantly outweighs shareholder equity. Despite the high leverage, the current ratio of 1.04 indicates that the company possesses just enough current assets to cover its current liabilities, signaling a precarious but technically solvable short-term liquidity position. Return on Equity is reported at -338.3% and Return on Assets at -56.6%, metrics that reveal management is currently generating negative returns on all capital deployed, whether through equity or debt, reflecting the deep losses incurred during this reporting period.

Valuation Assessment

Valuation multiples for ESS Tech, Inc. reflect the challenges of assessing a company with negative earnings, where the P/E Ratio (TTM) is listed as N/A due to the absence of positive trailing earnings. The forward P/E stands at -1.66, a negative metric that implies the market is pricing in continued losses or expects earnings to remain negative in the near future, rendering traditional earnings-based valuation models ineffective. The price-to-book ratio is 2.94, suggesting that the market values the company's equity at nearly three times its book value, which may indicate confidence in intangible assets, future growth potential, or a premium assigned to the technology despite current financial losses. Alternative valuation metrics such as the price-to-sales ratio of 21.88 and an EV/EBITDA of -0.60 further highlight the disconnect between current market price and fundamental earnings power, as the negative EV/EBITDA confirms that enterprise value is not supported by positive earnings generation. In terms of trading range, the stock has a 52-week high of $13.87 and a 52-week low of $0.76, placing the current price dynamics within a highly volatile band that spans more than 18 times the recent low. The beta value of 1.50 indicates that the stock is 50% more volatile than the broader market, meaning price swings in GWH are likely to be amplified relative to market movements, particularly during periods of high volume or sector-specific news.

Growth & Income

Historical growth data for the company lists revenue growth (YoY) and earnings growth (YoY) as N/A, reflecting the limited historical data points available for a small-cap entity with a market cap of $34.63M. The absence of positive earnings growth combined with the reported net income loss of $-63,440,000 indicates that the company is in a loss-generating phase rather than a growth phase where earnings expand alongside revenue. As a non-dividend payer with a dividend yield of N/A and a payout ratio of 0.0%, the company does not distribute cash to shareholders, implying that any generated cash flow is entirely reinvested into operations, R&D, or used to service its $21.18M debt load. The overall growth and income profile is characterized by high volatility and a lack of current income generation, relying instead on the potential for future operational scaling to restore profitability and cash flow to positive levels.

Peer Comparison

ESS Tech, Inc. (GWH) operates in the Electrical Equipment & Parts industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
ESS Tech, Inc. GWH $29.68M N/A
Vertiv Holdings Co VRT $124.42B 81.4
Bloom Energy Corporation BE $86.02B N/A
nVent Electric plc NVT $26.63B 55.8

The Electrical Equipment & Parts industry average P/E ratio is 222.8x. ESS Tech, Inc. trades at a P/E of N/A.

This analysis is AI-generated for informational purposes only and should not be considered financial advice. Data may be delayed or inaccurate. Always do your own research and consult a qualified financial advisor before making investment decisions.

About ESS Tech, Inc.

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.

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Key Statistics

Market Cap
$29.68M
P/E Ratio
N/A
52-Week High
$13.87
52-Week Low
$0.56
Avg Volume
718.48K

Data provided by Yahoo Finance via yfinance. Updated daily.

Company Info

Exchange
NYSE
Country
United States
Employees
62