# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001537435-25-000018
Filing Date
2025-03-18
Accepted
2025-03-18 12:23:07
Documents
103
Period of Report
2024-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | tgen-20241231.htm iXBRL | 10-K | 1663821
2 | EX-10.27 | jnhletterreloan.htm | EX-10.27 | 3908
3 | EX-19 | tgn-20241231xex191.htm | EX-19 | 45380
4 | EX-23.1 | tgn-20241231xex231.htm | EX-23.1 | 2276
5 | EX-31.1 | tgn-20241231xex311.htm | EX-31.1 | 9513
6 | EX-32.1 | tgn-20241231xex321.htm | EX-32.1 | 4305
| Complete submission text file | 0001537435-25-000018.txt |  | 10338641

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | tgen-20241231.xsd | EX-101.SCH | 84401
8 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | tgen-20241231_cal.xml | EX-101.CAL | 114384
9 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | tgen-20241231_def.xml | EX-101.DEF | 449981
10 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | tgen-20241231_lab.xml | EX-101.LAB | 968924
11 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | tgen-20241231_pre.xml | EX-101.PRE | 686771
106 | EXTRACTED XBRL INSTANCE DOCUMENT | tgen-20241231_htm.xml | XML | 1418427

Mailing Address 45 FIRST AVENUE WALTHAM MA 02451
Business Address 45 FIRST AVENUE WALTHAM MA 02451 781-466-6400
TECOGEN INC. (Filer) CIK: 0001537435 (see all company filings)

EIN.: 043536131 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-36103 | Film No.: 25747119
SIC: 3585 Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
(CF Office: 06 Technology)