---
schema_version: "secwatch.filing_event.v1"
accession: "0001537435-23-000145"
form_type: "8-K"
ticker: "TGEN"
cik: "0001537435"
company_name: "TECOGEN INC."
filed_at: "2023-11-08T23:59:59+00:00"
generated_at: "2026-06-08T09:19:55.800852+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Tecogen Q3 2023 revenue up 7.5% YoY to $7.1M; net loss widens to $0.5M

## Summary
- Q3 revenue $7.1M (up 7.5% YoY); net loss $0.5M ($0.02 EPS) vs loss $0.3M a year ago.
- Nine-month revenue $19.2M (down 6.0% YoY); net loss $2.8M vs $1.0M in 2022.
- Services revenue up 24.8% to $3.8M driven by Aegis contracts; Products revenue down 8.4% to $2.9M.
- Gross margin fell to 41.1% from 43.7%; Services margin dropped to 38.9% due to engine replacement costs.
- Cash $1.1M; drew $500k from new $1.5M credit facility in Oct. Adjusted EBITDA -$182k vs -$72k.

## SEC filing metadata
- accession: 0001537435-23-000145
- form_type: 8-K
- ticker: TGEN
- cik: 0001537435
- company_name: TECOGEN INC.
- filed_at: 2023-11-08T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- 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/1537435/000153743523000145/0001537435-23-000145-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1537435/000153743523000145/tgen-20231108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001537435-23-000145
- JSON: https://secwatch.observer/filing/0001537435-23-000145.json
- Plain text: https://secwatch.observer/filing/0001537435-23-000145.txt

## Key facts
- Earnings Releases
  TECOGEN INC. reported the three and nine months ended September 30, 2023 results: revenue $7.1 million, net income $0.5 million, EPS $0.02/share.
  - Period: the three and nine months ended September 30, 2023
  - Revenue: $7.1 million
  - Net income: $0.5 million
  - EPS: $0.02/share
  - Result: reported results
  source text: Tecogen Announces Third Quarter 2023 Results Q3 2023 revenue of $7.1 million, an increase of 7.5% QoQ WALTHAM, Mass., November 8, 2023 - Tecogen Inc. (OTCQX:TGEN), a leading manufacturer of clean energy products, reported revenues of $7.1 million and a net loss of $0.5 million for the quarter ended September 30, 2023 compared to revenues of $6.6 million, and a net loss of $0.3 million in 2022. For the nine months ended September 30, 2023 revenues were $19.2 million and the net loss was $2.8 million compared to revenues of $20.5 million, and net loss of $1.0 million for the same period in 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1537435/000153743523000145/0001537435-23-000145-index.htm

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