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ESS Tech Inc (GWH)

Upturn stock ratingUpturn stock rating
$1.6
Last Close (24-hour delay)
upturn advisory
PASS
  • BUY Advisory
  • SELL Advisory (Profit)​
  • SELL Advisory (Loss)​
  • Profit
  • Loss
  • Pass (Skip investing)
Upturn Stock infoUpturn Stock info Stock price based on last close
*as per simulation
(see disclosures)
Time period over
  • ALL
  • YEAR
  • MONTH
  • WEEK

Upturn Advisory Summary

09/17/2025: GWH (1-star) is currently NOT-A-BUY. Pass it for now.

Upturn Star Rating

rating

Not Recommended Performance

These Stocks/ETFs, based on Upturn Advisory, consistently fall short of market performance, signaling caution before investing.

Number of Analysts

rating

3 Analysts rated it

Very few follow this stock; limited insights, higher-risk early investing.

1 Year Target Price $1.82

1 Year Target Price $1.82

Analysts Price Target For last 52 week
$1.82 Target price
52w Low $0.76
Current$1.6
52w High $10.12

Analysis of Past Performance

Type Stock
Historic Profit -73.33%
Avg. Invested days 25
Today’s Advisory PASS
Upturn Star Rating Upturn stock ratingUpturn stock rating
Upturn Advisory Performance Upturn Advisory Performance 2.0
Stock Returns Performance Upturn Returns Performance 1.0
Upturn Profits based on simulationUpturn Profits based on simulation Profits based on simulation
Upturn Profits based on simulationUpturn Profits based on simulation Last Close 09/17/2025

Key Highlights

Company Size Small-Cap Stock
Market Capitalization 22.62M USD
Price to earnings Ratio -
1Y Target Price 1.82
Price to earnings Ratio -
1Y Target Price 1.82
Volume (30-day avg) 3
Beta 1.22
52 Weeks Range 0.76 - 10.12
Updated Date 09/17/2025
52 Weeks Range 0.76 - 10.12
Updated Date 09/17/2025
Dividends yield (FY) -
Basic EPS (TTM) -6.26

Analyzing Revenue: Products, Geography and Growth

Revenue by Products

Product revenue - Year on Year

Revenue by Geography

Earnings Date

Report Date -
When -
Estimate -
Actual -

Profitability

Profit Margin -
Operating Margin (TTM) -490.12%

Management Effectiveness

Return on Assets (TTM) -63.75%
Return on Equity (TTM) -207.48%

Valuation

Trailing PE -
Forward PE -
Enterprise Value 22692167
Price to Sales(TTM) 3.67
Enterprise Value 22692167
Price to Sales(TTM) 3.67
Enterprise Value to Revenue 3.68
Enterprise Value to EBITDA -0.15
Shares Outstanding 14314700
Shares Floating 9160846
Shares Outstanding 14314700
Shares Floating 9160846
Percent Insiders 31.78
Percent Institutions 13.49

ai summary icon Upturn AI SWOT

ESS Tech Inc

stock logo

Company Overview

overview logo History and Background

ESS Tech Inc. (formerly ACON S2 Acquisition Corp.) was founded in 2011. The company went public through a SPAC merger in October 2021. It focuses on developing and deploying long-duration energy storage systems using iron flow battery technology.

business area logo Core Business Areas

  • Energy Storage Systems: ESS designs, manufactures, and deploys iron flow batteries for commercial and industrial, and utility-scale applications. These batteries provide long-duration energy storage, typically 4-12 hours.

leadership logo Leadership and Structure

Craig Evans is the CEO. The organizational structure is based on functional departments such as Engineering, Manufacturing, Sales, and Marketing.

Top Products and Market Share

overview logo Key Offerings

  • Energy Warehouse (EW): Containerized iron flow battery system for commercial and industrial applications. Market share data is difficult to pin down precisely due to the nascent stage of long-duration energy storage, but ESS is considered a leader. Competitors include Form Energy and Energy Vault.
  • Revenue: No specific information about this product revenue is available.
  • Energy Center (EC): Larger, utility-scale iron flow battery system. Like EW, market share data is emerging. Competitors include Form Energy and Vanadium redox flow batteries (VRFB) manufacturers.
  • Revenue: No specific information about this product revenue is available.

Market Dynamics

industry overview logo Industry Overview

The energy storage industry is rapidly growing due to the increasing adoption of renewable energy sources. Long-duration energy storage is becoming increasingly important for grid stabilization and reliability.

Positioning

ESS positions itself as a provider of safe, environmentally friendly, and cost-effective long-duration energy storage solutions. Its iron flow battery technology is marketed as a superior alternative to lithium-ion batteries for long-duration applications.

Total Addressable Market (TAM)

The total addressable market for long-duration energy storage is estimated to be in the billions of dollars. ESS is positioned to capture a share of this market with its iron flow battery technology.

Upturn SWOT Analysis

Strengths

  • Iron flow battery technology (safe, long duration, recyclable)
  • Environmentally friendly materials
  • Scalable manufacturing
  • Experienced management team

Weaknesses

  • Relatively new company
  • Limited track record
  • High initial costs
  • Limited brand recognition

Opportunities

  • Growing demand for long-duration energy storage
  • Government incentives for renewable energy and energy storage
  • Partnerships with utilities and other energy companies
  • Expansion into new markets

Threats

  • Competition from other energy storage technologies
  • Fluctuations in raw material prices
  • Changes in government regulations
  • Technological obsolescence

Competitors and Market Share

competitor logo Key Competitors

  • FMC
  • SLDP
  • ALB

Competitive Landscape

ESS has a strong competitive advantage in long-duration storage and non-lithium batteries. ESS needs to demonstrate its technology's reliability and cost-effectiveness to win market share.

Growth Trajectory and Initiatives

Historical Growth: Historical growth is limited as it has recently become publically traded.

Future Projections: Analyst estimates vary, but the consensus is that ESS will experience significant revenue growth as it scales up its manufacturing and sales efforts.

Recent Initiatives: Recent initiatives include expanding its manufacturing capacity and securing partnerships with utilities.

Summary

ESS Tech Inc is focused on the growing long-duration energy storage market. Its iron flow battery technology is its core strength. However, the company faces challenges related to its limited track record and competition. Successful execution of its growth plans and effective cost management are crucial for long-term success.

Peer Comparison

Sources and Disclaimers

Data Sources:

  • ESS Tech Inc. Investor Relations
  • SEC Filings
  • Industry Reports
  • Analyst Reports

Disclaimers:

This analysis is based on available information and is not financial advice. Investment decisions should be based on individual risk tolerance and due diligence.

Upturn AI SummarizationUpturn AI Summarization AI Summarization is directionally correct and might not be accurate.

Upturn AI SummarizationUpturn AI Summarization Summarized information shown could be a few years old and not current.

Upturn AI SummarizationUpturn AI Summarization Fundamental Rating based on AI could be based on old data.

Upturn AI SummarizationUpturn AI Summarization AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action.

About ESS Tech Inc

Exchange NYSE
Headquaters Wilsonville, OR, United States
IPO Launch date 2021-01-04
Interim CEO & Corporate Secretary Ms. Kelly F. Goodman J.D.
Sector Industrials
Industry Electrical Equipment & Parts
Full time employees 240
Full time employees 240

ESS Tech, Inc., an energy storage company, designs and produces 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; Energy Center, which is designed to allow customers to connect multiple units in various configurations and supporting energy storage projects ranging from sub-megawatt to tens-of-megawatt scale; and Energy Base, a gigawatt-scale storage product. The company was founded in 2011 and is headquartered in Wilsonville, Oregon.