ESS Tech, Inc. (GWH) Stock Price, Financials & Summary

Price chart

Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15Sep 18

Key dataSep 18, 2026

Open$0.37

From 52W high−95.93%

Volume463164.00

Market cap$14.83M

P/E (TTM)—

P/S (TTM)−12.6x

Div yield—

Key dataSep 18, 2026

Open

$0.37

From 52W high

−95.93%

Volume

463164.00

Market cap

$14.83M

ValuationView details →

P/E (Fwd)

—

EV/EBITDA

−0.1x

P/E (TTM)

—

RSI (14)

39.7

MomentumView details →

1D Return

+1.35%

YTD Return

−80.20%

SummaryUpdated Jun 1, 2026

ESS Tech, Inc. (NYSE:GWH) is an energy storage company founded in 2011 and headquartered in Wilsonville, Oregon. The company went public in January 2021 and specializes in designing and manufacturing iron flow batteries for commercial and utility-scale energy storage applications. ESS Tech has positioned itself as an alternative to lithium-ion battery technology, focusing on long-duration energy storage solutions that can store and discharge electricity for extended periods ranging from 4 to 12+ hours.

Ask drillr about ESS Tech, Inc. →

ValuationView details →

P/E (Fwd)

—

P/E (TTM)

—

EV/EBITDA

−0.1x

EV/Sales

−5.9x

P/S (TTM)

−12.6x

P/B (TTM)

−5.5x

ProfitabilityView details →

Gross Margin

2941.97%

Net Margin

5593.29%

EBITDA Margin

4783.35%

ROE (TTM)

2450.06%

ROA (TTM)

−202.71%

Asset Turnover

−0.03x

GrowthView details →

Revenue YoY

—

EPS YoY

+53.27%

FCF YoY

+40.17%

Revenue CAGR 3Y

+20.98%

EPS CAGR 3Y

+40.71%

EBITDA YoY

+20.67%

MomentumView details →

1D Return

+1.35%

YTD Return

−80.20%

1Y Return

−75.67%

RSI (14)

39.7

vs 50D SMA

−36.41%

vs 200D SMA

−68.11%

Capital & dividendView details →

Debt/Equity

−1.11x

Current Ratio

0.68x

Quick Ratio

0.67x

Div Yield

—

Div Rate

—

Div Growth 1Y

—

EarningsView details →

EPS (Actual)

−$0.46

EPS Surprise

−4.55%

Beats (12Q)

4/12

Next Q EPS Est

−$0.33

Avg Surprise (4Q)

−61.50%

Rev Surprise

−27.00%

Financials snapshotView financials →

Revenue (TTM)

−1.18M

Net Income (TTM)

−65.83M

Op. CF (TTM)

−42.09M

Next earningsNov 12, 2026 →

Latest newsMore news →

ESS Tech announced a strategic pivot to a two-platform energy-storage strategy, focusing on near-term sodium-ion batteries and longer-duration iron flow batteries, targeting AI data centers.29d ago

ESS Tech, Inc. closed a registered direct offering of 6.4 million shares of common stock at $0.50 per share, raising $3.2 million, and issued warrants to purchase up to 12.8 million shares in a concurrent private placement.30d ago

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Latest newsMore news →

ESS Tech announced a strategic pivot to a two-platform energy-storage strategy, focusing on near-term sodium-ion batteries and longer-duration iron flow batteries, targeting AI data centers.29d ago ESS Tech, Inc. closed a registered direct offering of 6.4 million shares of common stock at $0.50 per share, raising $3.2 million, and issued warrants to purchase up to 12.8 million shares in a concurrent private placement.30d ago