---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-057939"
form_type: "8-K"
ticker: "GREE"
cik: "0001844971"
company_name: "Greenidge Generation Holdings Inc."
filed_at: "2025-12-18T23:59:59+00:00"
generated_at: "2026-05-16T12:46:52.139459+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Greenidge resumes Dresden facility Dec 9 after Nov 23 switchgear fire; no miner damage

## Summary
- Electrical switchgear failure and fire on Nov 23, 2025 at Dresden, NY facility.
- Facility resumed normal operations on Dec 9, 2025, about two weeks after the incident.
- No damage to any owned or hosted Bitcoin miners at the facility.
- Only limited damage to certain electrical switchgear; fire contained by automated safety protocols.
- Facility returned to service ahead of schedule and is delivering power to local grid.

## SEC filing metadata
- accession: 0001628280-25-057939
- form_type: 8-K
- ticker: GREE
- cik: 0001844971
- company_name: Greenidge Generation Holdings Inc.
- filed_at: 2025-12-18T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844971/000162828025057939/0001628280-25-057939-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844971/000162828025057939/gree-20251218.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-057939
- JSON: https://secwatch.observer/filing/0001628280-25-057939.json
- Plain text: https://secwatch.observer/filing/0001628280-25-057939.txt

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