ESS Tech (GWH) Stock Price, News & Analysis

Company Overview

ESS Tech, Inc. develops and manufactures long-duration energy-storage systems based on iron-flow battery technology. Its systems are designed to store electricity for extended periods and discharge it when needed, supporting the integration of renewable energy sources such as solar and wind while helping improve grid reliability.

The company’s product portfolio has included the Energy Warehouse, a modular storage system intended for commercial, industrial, microgrid and utility applications, and the Energy Center, a larger-scale platform designed for longer-duration grid storage. ESS’s technology uses iron, salt and water-based electrolyte materials and is positioned as an alternative to conventional lithium-ion batteries for applications requiring frequent cycling and multi-hour storage.

Founded in 2011 and headquartered in Wilsonville, Oregon, ESS has focused primarily on the North American energy-storage market while pursuing opportunities with utilities, renewable-energy developers, commercial customers and microgrid operators. The company has also announced and pursued projects and partnerships intended to deploy its systems in additional international markets. Eric Dresselhuys has served as the company’s chief executive officer; co-founder Craig Evans has been associated with the development of its iron-flow battery technology.

Key Stats

• Today's Range: $0.16 to $0.16
• 50-Day Range: $0.16 to $0.77
• 52-Week Range: $0.16 to $13.87
• Volume: N/A
• Average Volume: 1.23 million shs
• Market Capitalization: $5.17 million
• P/E Ratio: N/A
• Dividend Yield: N/A
• Price Target: $2.00
• Consensus Rating: Hold

ESS Tech Stock Analysis - MarketRank™

ESS Tech scored higher than 48% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

Analyst's Opinion

• Score: 3.2 / 5
• Analyst Rating: Hold

Consensus Rating

ESS Tech has received a consensus rating of Hold. The company's average rating score is 2.00, and is based on no strong buy ratings, 1 buy rating, no hold ratings, and 1 sell rating.

Upside Potential

ESS Tech has a consensus price target of $2.00, representing about 1,176.3% upside from its current price of $0.16.

Amount of Analyst Coverage

ESS Tech has only been the subject of 1 research reports in the past 90 days.

Earnings and Valuation

• Score: 1.3 / 5
• Proj. Earnings Growth: Growing

Earnings Growth

Earnings for ESS Tech are expected to grow in the coming year, from ($1.55) to ($0.57) per share.

Price to Earnings Ratio vs. the Market

The P/E ratio of ESS Tech is -0.05, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

Price to Earnings Ratio vs. Sector

The P/E ratio of ESS Tech is -0.05, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

Price to Book Value per Share Ratio

ESS Tech has a P/B Ratio of 0.40. P/B Ratios below 1 indicate that a company could be undervalued with respect to its assets and liabilities.

Short Interest

• Score: 4.0 / 5
• Short Interest Level: Healthy

Percentage of Shares Shorted

7.47% of the float of ESS Tech has been sold short.

Short Interest Ratio / Days to Cover

ESS Tech has a short interest ratio ("days to cover") of 2.85, which is generally considered an acceptable ratio of short interest to trading volume.

Change versus previous month

Short interest in ESS Tech has recently decreased by 20.66%, indicating that investor sentiment is improving significantly.

Dividend

• Score: 0.0 / 5
• Dividend Strength: N/A

Dividend Yield

ESS Tech does not currently pay a dividend.

Dividend Growth

ESS Tech does not have a long track record of dividend growth.

News and Social Media

• Score: 0.0 / 5
• News Sentiment: 0.00

News Coverage This Week

MarketBeat has tracked 2 news articles for ESS Tech this week, compared to 2 articles on an average week.

Search Interest

Only 1 people have searched for GWH on MarketBeat in the last 30 days. This is a decrease of -67% compared to the previous 30 days.

MarketBeat Follows

Only 2 people have added ESS Tech to their MarketBeat watchlist in the last 30 days. This is a decrease of 0% compared to the previous 30 days.

Company Ownership

• Score: 1.3 / 5
• Insider Trading: Selling Shares

Insider Buying vs. Insider Selling

In the past three months, ESS Tech insiders have sold more of their company's stock than they have bought. Specifically, they have bought $0.00 in company stock and sold $3,731.00 in company stock.

Percentage Held by Insiders

1.40% of the stock of ESS Tech is held by insiders.

Percentage Held by Institutions

46.77% of the stock of ESS Tech is held by institutions. High institutional ownership can be a signal of strong market trust in this company.

Company Calendar

• Last Earnings: 8/11/2026
• Today: 10/04/2026
• AGM 2026: 10/16/2026
• Next Earnings (Estimated): 11/12/2026
• Fiscal Year End: 12/31/2026

Industry, Sector and Symbol

• Stock Exchange: NYSE
• Sector: Industrials
• Industry: Electrical Equipment
• Sub-Industry: Electrical Components & Equipment
• Current Symbol: NYSE:GWH
• CIK: 1819438
• Web: www.essinc.com
• Phone: 855-423-9920
• Fax: N/A
• Employees: 62
• Year Founded: 2011

Price Target and Rating

• Average Price Target for ESS Tech: $2.00
• High Price Target: $2.00
• Low Price Target: $2.00
• Potential Upside/Downside: +1,176.3%
• Consensus Rating: Hold
• Rating Score (0-4): 2.00
• Research Coverage: 2 Analysts

Profitability

• EPS (Trailing Twelve Months): ($2.93)
• Trailing P/E Ratio: N/A
• Forward P/E Ratio: N/A
• P/E Growth: N/A
• Net Income: -$63.44 million
• Net Margins: N/A
• Pretax Margin: -5,515.83%
• Return on Equity: -1,934.84%
• Return on Assets: -156.40%

Debt

• Debt-to-Equity Ratio: 0.95
• Current Ratio: 0.68
• Quick Ratio: 0.67

Sales & Book Value

• Annual Sales: $1.58 million
• Price / Sales: 3.27
• Cash Flow: N/A
• Price / Cash Flow: N/A
• Book Value: $0.39 per share
• Price / Book: 0.40

Miscellaneous

• Outstanding Shares: 32,970,000
• Free Float: 32,508,000
• Market Cap: $5.17 million
• Optionable: No Data
• Beta: 1.46