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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001537435-24-000022
Filing Date
2024-03-25
Accepted
2024-03-25 13:19:42
Documents
99
Period of Report
2023-12-31

Document Format Files

Seq Description Document Type Size
1 10-K tgen-20231231.htm   iXBRL 10-K 1482711
2 EX-10.29 walthamleaseextension312.htm EX-10.29 650
3 EX-10.30 jnhloanrepayment.htm EX-10.30 618
4 EX-23.1 tgn-20231231xex231.htm EX-23.1 2288
5 EX-31.1 tgn-20231231xex311.htm EX-31.1 9513
6 EX-32.1 tgn-20231231xex321.htm EX-32.1 4218
12 GRAPHIC jnhloanrepayment001.jpg GRAPHIC 105149
13 GRAPHIC tgen-20231231_g1.jpg GRAPHIC 97140
14 GRAPHIC walthamleaseextension312001.jpg GRAPHIC 152269
  Complete submission text file 0001537435-24-000022.txt   9276189

Data Files

Seq Description Document Type Size
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT tgen-20231231.xsd EX-101.SCH 72990
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT tgen-20231231_cal.xml EX-101.CAL 110788
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT tgen-20231231_def.xml EX-101.DEF 347998
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT tgen-20231231_lab.xml EX-101.LAB 781993
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT tgen-20231231_pre.xml EX-101.PRE 550603
103 EXTRACTED XBRL INSTANCE DOCUMENT tgen-20231231_htm.xml XML 1226015
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)

IRS No.: 043536131 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-36103 | Film No.: 24778227
SIC: 3585 Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
(CF Office: 06 Technology)