---
schema_version: "secwatch.filing_event.v1"
accession: "0001537435-25-000129"
form_type: "8-K"
ticker: "TGEN"
cik: "0001537435"
company_name: "TECOGEN INC."
filed_at: "2025-08-12T23:59:59+00:00"
generated_at: "2026-05-17T14:29:32.857317+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Tecogen Q2 revenue surges 54% to $7.29M; net loss narrows; data center LOI received

## Summary
- Revenue $7.29M (+54% YoY) driven by product sales surge (2,537%) from hybrid chiller deliveries.
- Net loss $1.47M ($0.06 EPS) vs $1.54M loss in prior year; gross margin fell to 33.8% from 44.0%.
- Received LOI for 100+MW data center pilot project using STx chillers; expects PO conversion later in 2025.
- Raised $18.2M in July to scale manufacturing and marketing; cash $1.64M at June 30.
- Services revenue down 3.9% to $3.97M; energy production down 64% due to contract expirations.

## SEC filing metadata
- accession: 0001537435-25-000129
- form_type: 8-K
- ticker: TGEN
- cik: 0001537435
- company_name: TECOGEN INC.
- filed_at: 2025-08-12T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1537435/000153743525000129/0001537435-25-000129-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1537435/000153743525000129/tgen-20250812.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001537435-25-000129
- JSON: https://secwatch.observer/filing/0001537435-25-000129.json
- Plain text: https://secwatch.observer/filing/0001537435-25-000129.txt

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