{"url_path":"/sec/tgen/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 Exhibits","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-13","source_url":"https://www.sec.gov/Archives/edgar/data/1537435/0001537435-26-000038-index.html","accession_number":"0001537435-26-000038","cik":"0001537435","ticker":"TGEN","issuer_name":"TECOGEN INC.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1537435/0001537435-26-000038-index.html","primary_entity_key":"0001537435","primary_entity_name":"TECOGEN INC."},"word_count":201,"has_tables":true,"body_markdown":"Item 6. Exhibits\n\nExhibit No.Description of Exhibit\n\n31.1*\n[Certification of Chief Executive Officer](tgn-20260331xex311.htm)[p](tgn-20260331xex311.htm)[ursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](tgn-20260331xex311.htm)\n\n31.2 *\n[Certification of Chief Financial Officer pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](tgn-20260331xex312.htm)\n\n32.1**\n[Certification of Chief Executive Officer](tgn-20260331xex321.htm)[p](tgn-20260331xex321.htm)[ursuant to 18 U.S.C. 1350, as adopted](tgn-20260331xex321.htm)[p](tgn-20260331xex321.htm)[ursuant to Section 906 of the Sarbanes-Oxley Act of 2002](tgn-20260331xex321.htm)\n\n32.2**\n[Certification of Chief Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002](tgn-20260331xex322.htm)\n\n101.INS**XBRL Instance Document\n\n101.SCH**XBRL Taxonomy Extension Schema\n\n100.CAL**XBRL Taxonomy Extension Calculation Linkbase\n\n100.DEF**XBRL Taxonomy Extension Definition Linkbase\n\n101.LAB**XBRL Taxonomy Extension Label Linkbase\n\n101.PRE** XBRL Taxonomy Extension Presentation Linkbase\n\n____________________________________________\n\n*    Filed herewith\n\n**    Furnished herewith\n\n+    Compensatory plan or arrangement\n\n31\n\nTECOGEN INC.\n\nSIGNATURES\n\n \n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned.\n\n TECOGEN INC.\n\n (Registrant)\n\n \n\nDated: May 13, 2026By:/s/ Abinand Rangesh\n\nAbinand Rangesh\n\nChief Executive Officer\n\n(Principal Executive Officer)\n\nDated: May 13, 2026By:/s/ Roger P. Deschenes\n\nRoger P. Deschenes\n\nChief Financial and Accounting Officer\n\n(Principal Financial and Accounting Officer)\n\n32"}