GWH — ESS Tech, Inc.

NYSE · Unknown · Unknown · CIK 1819438 ·
Last close
$1.01
Market Cap
$29.68M
52W High
$1.65
52W Low
$0.56
ADV30
935,691
Next earnings
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.

Quarterly Fundamentals

Revenues vs Net Income (last 4 Q)

Assets vs Liabilities (last 4 Q)

PeriodRevenuesGrossProfit OpIncomeNetIncomeAssets CashLiabilities
Mar 2026 128,000 -7,038,000 -13,780,000 -15,922,000 48,572,000 15,489,000 39,126,000
Dec 2025 -1,588,000 -9,699,000 -17,893,000 -23,983,000 51,172,000 14,477,000 42,554,000
Sep 2025 214,000 -4,725,000 -9,811,000 -10,375,000 36,145,000 3,539,000 37,913,000
Jun 2025 2,358,000 -5,101,000 -11,557,000 -11,056,000 39,617,000 797,000 36,313,000

Cashflow TTM (yfinance, fills SEC gap)

Operating CF
$-50,284,000
Investing CF
$7,528,000
Financing CF
$43,462,000
CapEx
$-7,275,000
Dividends Paid
Buybacks
$-50,000
EPS Diluted TTM
$-4.33
As of
2026-05-10

Balance + Analyst (yfinance extras)

Retained Earnings
$-845,819,000
Inventory
$140,000
Receivables
$1,448,000
ST Investments
$7,557,000
EBIT TTM
$-57,407,000
Pretax Income TTM
$-63,440,000
Interest Exp TTM
Analysts
1

Yahoo Snapshot (yfinance, live)

Total Revenue
$1,112,000
EBITDA
$-44,762,000
Free Cash Flow
$-29,998,500
Enterprise Value
$26,735,264
Total Cash
$21,455,000
Total Debt
$21,454,000
Shares Out
29,389,170
Trailing EPS
$-3.38
Book Value
$0.39
ROE
-569.9%
ROA
-62.8%
Div Yield

Annual Trend (SEC EDGAR, last 5y)

Revenues vs Net Income (last 5y)

FY endRevenuesOpIncome NetIncomeAssetsLiabilities EquityOCF
Dec 2025 1,583,000 -57,407,000 -63,440,000 51,172,000 42,554,000 -50,284,000
Dec 2024 6,295,000 -89,798,000 -86,222,000 71,813,000 42,929,000 -72,219,000
Dec 2023 7,540,000 -85,905,000 -77,578,000 143,232,000 39,875,000 -54,896,000
Dec 2022 894,000 -105,492,000 -77,969,000 173,553,000 36,579,000 -81,620,000
Dec 2021

TTM Snapshot

Revenues TTM
$359,000
NetIncome TTM
$-22,493,000
OpCashFlow TTM
$0
Assets (Latest)
$71,813,000
Forward EPS
$-0.79

News headlines (Yahoo Finance, 1h cache)

ESS to Present in Clean Energy Group’s Beyond Lithium Webinar Series on June 3, 2026
2026-05-20 12:30 · Yahoo
Sidoti Events, LLC's May Micro-Cap Virtual Conference
2026-05-20 11:30 · Yahoo
ESS to Attend Sidoti Micro-Cap Virtual Conference on May 20, 2026
2026-05-14 12:30 · Yahoo
12 Industrials Stocks Moving In Wednesday's Intraday Session
2026-05-13 17:06 · Yahoo
ESS Tech, Inc. (GWH) Reports Q1 Loss, Lags Revenue Estimates
2026-05-07 23:05 · Yahoo
ESS Tech, Inc. Announces First Quarter 2026 Financial Results
2026-05-07 20:05 · Yahoo
ESS Highlights Third-Party Utility Validating Iron Flow Battery Technology
2026-05-06 12:31 · Yahoo
Timken (TKR) Surpasses Q1 Earnings and Revenue Estimates
2026-05-06 12:05 · Yahoo
Kimball Electronics (KE) Q3 Earnings and Revenues Miss Estimates
2026-05-05 22:05 · Yahoo
ESS Announces Successful Commissioning of Long-Duration Iron Flow Battery Systems at Turlock Irrigation District Solar-Over-Canal Project
2026-05-05 12:30 · Yahoo

Recent Insider Activity

No insider activity indexed for this ticker.