---
schema_version: "secwatch.filing_event.v1"
accession: "0001537435-25-000017"
form_type: "8-K"
ticker: "TGEN"
cik: "0001537435"
company_name: "TECOGEN INC."
filed_at: "2025-03-17T23:59:59+00:00"
generated_at: "2026-05-24T15:33:45.286109+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Tecogen Q4 rev $6.08M, net loss narrows to $1.19M; signs Vertiv partnership

## Summary
- Q4 revenue $6.08M (+3% YoY); net loss $1.19M vs $1.85M in Q4 2023; EPS -$0.05.
- FY 2024 revenue $22.62M, net loss $4.76M; gross margin improved to 43.6% (40.6% in 2023).
- Cash balance $5.41M at Dec 31, 2024; generated $4.06M cash from operations during 2024.
- Signed global partnership with Vertiv; closed InVerde data center project in CT.
- Backlog strong; management expects sequential revenue improvements and data center growth.

## SEC filing metadata
- accession: 0001537435-25-000017
- form_type: 8-K
- ticker: TGEN
- cik: 0001537435
- company_name: TECOGEN INC.
- filed_at: 2025-03-17T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1537435/000153743525000017/0001537435-25-000017-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1537435/000153743525000017/tgen-20250317.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001537435-25-000017
- JSON: https://secwatch.observer/filing/0001537435-25-000017.json
- Plain text: https://secwatch.observer/filing/0001537435-25-000017.txt

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