secwatch.observer — SEC 8-K summary
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Issuer:     ESS Tech, Inc. (GWH)
CIK:        0001819438
Form:       8-K
Filed at:   2023-05-09T23:59:59+00:00
Accession:  0001628280-23-016813
Event type: earnings
Sentiment:  neutral
Materiality: 0.50
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

ESS Tech Q1 2023 revenue impacted by project delays; partnership with Coldwell Solar
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- Built nine Energy Warehouses in Q1, continuing production pace from Q4.
- Project delays at a customer site limited shipments and revenue recognition in Q1.
- Partnership with Coldwell Solar to install three Energy Warehouses for a microgrid in California, expected operational late 2023.
- ESS LDES units received UL 1973 certification for stationary energy storage systems.
- Total patents reached 62 worldwide as of March 31, 2023, with 225 applications filed.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1819438/000162828023016813/0001628280-23-016813-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1819438/000162828023016813/wk-20230509.htm
  HTML page:      https://secwatch.observer/filing/0001628280-23-016813

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer