Tecogen

TGEN · OTC

$2.13+$0.01 (+0.47%)TodayMarket closed · Oct 20, 8:00 PM ET

Prev close $2.12

About TGEN

Tecogen, Inc. engages in the production of commercial and industrial, natural-gas-fueled engine-driven, and combined heat and power (CHP) products. The company is headquartered in North Billerica, Massachusetts and currently employs 119 full-time employees. The company went IPO on 2014-05-20. The firm includes natural gas engine-driven combined heat and power (CHP) systems, chillers, and heat pumps for multi-family residential, commercial, recreational, and industrial use. The Company’s segments include Products, Services, and Energy Production. The Products segment designs, manufactures and sells industrial and commercial cogeneration systems. The Services segment provides operations and maintenance services for our products under long-term service contracts. The Energy Production segment, which installs, operates, and maintains distributed generation electricity systems that it owns and sells energy generated by such systems in the form of electricity, heat, hot water, and cooling to its customers under long-term energy sales agreements.

Employees: 120
Headquarters: North Billerica, Massachusetts
Listed: May 20, 2014
Sector: Industrials
Industry: Building Products
Website: tecogen.com

Leadership

Tecogen executives
Name	Title	Since	Age
Angelina Galiteva	—	—	58
Robert Panora	—	—	70
Roger Deschenes	—	—	65
Stephen Lafaille	—	—	37
John Whiting	—	—	64
John Hatsopoulos	—	2000	91
John Albertine	—	—	81
Ahmed Ghoniem	—	—	73
Susan Hirsch	—	—	72
Earl Lewis	—	—	81

Revenue by product and region

Fiscal year ended Dec 31, 2025: $27.07M total revenue

By product

Services$16.62M61.4%
Products$9.13M33.7%
Energy production$1.32M4.9%

Suppliers and customers

Price correlation is over one year: 1 means the stocks move together, -1 opposite

Tecogen suppliers and customers
Company	Relationship	Country	Correlation
Mitsubishi Logisnext	Supplier and customer	JP	0.15
Sempra Energy SRE	Supplier and customer	US	-0.33
State of California	Supplier and customer	US	—
United States	Supplier and customer	US	—
Origin Engines, Inc.	Customer	US	—
Wisconsin Alumni Research Foundation	Supplier and customer	US	—
Consortium for Electric Reliability Technology Solutions	Supplier and customer	US	—
Propane Education & Research Council, Inc.	Supplier and customer	US	—
Sacramento Municipal Utility District (California)	Supplier and customer	US	—
Southwest Research Institute	Supplier and customer	US	—

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