---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-046262"
form_type: "8-K"
ticker: "GHM"
cik: "0000716314"
company_name: "GRAHAM CORP"
filed_at: "2023-02-23T23:59:59+00:00"
generated_at: "2026-06-19T03:33:26.140596+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Graham Corp awarded $5M vacuum system for geothermal/lithium project

## Summary
- Award value approximately $5M; revenue expected over next 12-18 months.
- Equipment for Hell's Kitchen Stage 1 geothermal plant in Imperial Valley, CA.
- Customer is Controlled Thermal Resources (CTR), integrating lithium extraction and geothermal power.
- CEO cites new energy as high-growth diversification opportunity.
- Graham has supplied vacuum equipment to Imperial Valley geothermal since the 1980s.

## SEC filing metadata
- accession: 0001193125-23-046262
- form_type: 8-K
- ticker: GHM
- cik: 0000716314
- company_name: GRAHAM CORP
- filed_at: 2023-02-23T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/716314/000119312523046262/0001193125-23-046262-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/716314/000119312523046262/d467664d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-046262
- JSON: https://secwatch.observer/filing/0001193125-23-046262.json
- Plain text: https://secwatch.observer/filing/0001193125-23-046262.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.