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GWH · ESS Tech, Inc. · Earnings Call Transcripts & Audio

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$0.17 -0.01 (-5.56%) At close · Sep 30
Rebalance outlook locked
Going-concern doubt — flagged Aug 11, 2026

Substantial doubt about the company's ability to continue as a going concern.

“These uncertainties cause substantial doubt to exist as to the Company's ability to continue as a going concern for 12 months from the issuance of these financial statements.”
View the 10-Q filed Aug 11, 2026
Market Cap
$6.92M
Shares
32.97M
Volume · Sep 30 1.32M Avg daily vol (3M) 1.01M

ESS Tech, Inc. Earnings Call Transcripts

Quarterly earnings calls for ESS Tech, Inc. (GWH), with available speaker-labelled transcripts, captured audio replays, call highlights, 8-K earnings releases and periodic filings. Investor days and conferences appear here too.

Pull transcripts and briefs through the earnings call transcript API or MCP →

Revenue & result across quarters

Revenue Net income YoY up YoY down artefacts
· $192,000 −$31.60M '22 Q3 22-11-03 · $16,000 −$25.07M '22 Q4 23-03-01 · $372,000 −$21.90M '23 Q1 23-05-09 ▲312.1% $2.83M −$22.93M '23 Q2 23-08-08 ▲704.7% $1.54M −$16.62M '23 Q3 23-11-07 ▲17375% $2.80M −$16.13M '23 Q4 24-03-13 ▲636% $2.74M −$18.31M '24 Q1 24-05-07 ▼87.7% $348,000 −$21.94M '24 Q2 24-08-14 ▼76.8% $359,000 −$22.49M '24 Q3 24-11-13 ▲1.9% $2.85M −$23.48M '24 Q4 25-03-31 ▼78.1% $599,000 −$18.03M '25 Q1 25-05-15 ▲577.6% $2.36M −$11.06M '25 Q2 25-08-14 ▼40.4% $214,000 −$10.38M '25 Q3 25-11-13 ▼155.7% $ −$23.98M '25 Q4 26-03-05 ▼78.6% $128,000 −$15.92M '26 Q1 26-05-07 LATEST ▼96.9% $73,000 −$15.55M '26 Q2 26-08-13
Earnings call
FY26 · Q2
2026-08-13
ESS Tech, Inc. (GWH) Q2 2026 Earnings Call
Revenue
$73,000
▼ 96.9% YoY
Diluted EPS
$-0.46
Gross margin
-10165.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY26 · Q1
2026-05-07
ESS Tech, Inc. (GWH) Q1 2026 Earnings Call Transcript
Positive tone Technology validation and pilots Cost discipline and financial results Volt Storage IP acquisition
Revenue
$128,000
▼ 78.6% YoY
Diluted EPS
$-0.54
Gross margin
-5498.4%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q4
2026-03-05
ESS Tech, Inc. (GWH) Q4 2025 Earnings Call Transcript
Positive tone Restructuring and Operational Transformation Balance Sheet and Liquidity Commercial Pipeline and Tier 1 Customers
Revenue
$*
▼ 155.7% YoY
Gross margin
610.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY25 · Q3
2025-11-13
ESS Tech, Inc. (GWH) Q3 2025 Earnings Call Transcript
Positive tone Energy Base product and platform Customer pipeline and partnerships Capital raising and liquidity
Revenue
$214,000
▼ 40.4% YoY
Diluted EPS
$-0.73
Gross margin
-2207.9%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q2
2025-08-14
ESS Tech, Inc. (GWH) Q2 2025 Earnings Call Transcript
Positive tone Energy Base product and pipeline Leadership changes and transition Capital raising and liquidity
Revenue
$2.36M
▲ 577.6% YoY
Diluted EPS
$-0.90
Gross margin
-216.3%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q1
2025-05-15
ESS Tech, Inc. (GWH) Q1 2025 Earnings Call Transcript
Balanced tone Energy Base product launch and commercial momentum Arizona utility RFP win Tariffs and trade policy
Revenue
$599,000
▼ 78.1% YoY
Diluted EPS
$-1.50
Gross margin
-1360.1%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q4
2025-03-31
ESS Tech, Inc. (GWH) Q4 2024 Earnings Call Transcript
Cautious tone Strategic shift and Energy Base product launch Capital raising and liquidity Field deployments and operational learnings
Revenue
$2.85M*
▲ 1.9% YoY
Gross margin
-462.7%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY24 · Q3
2024-11-13
ESS Tech, Inc. (GWH) Q3 2024 Earnings Call Transcript
Positive tone Long-duration energy storage market opportunity EC product launch Customer deployments and field performance
Revenue
$359,000
▼ 76.8% YoY
Diluted EPS
$-1.90
Gross margin
-3449.0%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q2
2024-08-14
ESS Tech, Inc. (GWH) Q2 2024 Earnings Call Transcript
Positive tone Shipment delays and revenue timing Energy Center product ramp and certifications Manufacturing capacity expansion (Line 2)
Revenue
$348,000
▼ 87.7% YoY
Diluted EPS
$-1.87
Gross margin
-3275.9%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q1
2024-05-07
ESS Tech, Inc. (GWH) Q1 2024 Earnings Call Transcript
Confident tone Geographic focus Energy Center product progress Cost reduction and path to profitability
Revenue
$2.74M
▲ 636% YoY
Diluted EPS
$-1.57
Gross margin
-306.4%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q4
2024-03-13
ESS Tech, Inc. (GWH) Q4 2023 Earnings Call Transcript
Positive tone Revenue shortfall and customer delays Honeywell partnership Long-duration energy storage market opportunity
Revenue
$2.80M*
▲ 17375% YoY
Gross margin
-268.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY23 · Q3
2023-11-07
ESS Tech, Inc. (GWH) Q3 2023 Earnings Call Transcript
Revenue
$1.54M
▲ 704.7% YoY
Diluted EPS
$-1.59
Gross margin
-559.1%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q2
2023-08-08
ESS Tech, Inc. (GWH) Q2 2023 Earnings Call Transcript
Revenue
$2.83M
▲ 312.1% YoY
Diluted EPS
$-2.25
Gross margin
100.0%
Rev · 7q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q1
2023-05-09
ESS Tech, Inc. (GWH) Q1 2023 Earnings Call Transcript
Revenue
$372,000
Diluted EPS
$-2.10
Gross margin
100.0%
Rev · 6q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q4
2023-03-01
ESS Tech, Inc. (GWH) Q4 2022 Earnings Call Transcript
Revenue
$16,000*
Rev · 5q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY22 · Q3
2022-11-03
ESS Tech, Inc. (GWH) Q3 2022 Earnings Call Transcript
Revenue
$192,000
Diluted EPS
$-3.15
Gross margin
100.0%
Rev · 5q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q2
2022-08-11
ESS Tech, Inc. (GWH) Q2 2022 Earnings Call Transcript
Revenue
$686,000
Diluted EPS
$-1.50
Rev · 4q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q1
2022-05-12
ESS Tech, Inc. (GWH) Q1 2022 Earnings Call Transcript
Revenue
$
Diluted EPS
$-0.60
Rev · 3q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY21 · Q4
2022-02-24
ESS Tech, Inc. (GWH) Q4 2021 Earnings Call Transcript
Results not yet reported
Audio Transcript Slides 8-K10-K
Showing 1–19 of 19 earnings calls
Key facts CIK 1819438 CUSIP 26916J205 13F (30d) 2 filings 2 filers Visit website Investor relations