Tecogen Inc. designs, manufactures, markets, and maintains ultra-clean cogeneration products. The Company 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.

Tecogen Ord Shs Profile

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Company Executives of Tecogen Ord Shs

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Name

Name/Position

Position

Shareholding

Change

Mr. John N. Hatsopoulos

Lead Director

1.07M

+4.67%

Mr. Earl R. Lewis, III

Independent Director

1.01M

Mr. Robert A. Panora

President, Chief Operating Officer

72.19K

+13.40%

Ms. Angelina M. Galiteva, J.D.

Independent Chairperson of the Board

50.00K

Mr. Stephen Lafaille

Vice President - Business Development

29.41K

+98.64%

Dr. Ahmed F. Ghoniem

Independent Director

12.72K

Mr. John K. Whiting, IV

General Counsel, Secretary

Dr. John M. Albertine

Independent Director

Ms. Susan F. Hirsch

Independent Director

Mr. Roger P. Deschenes

Chief Financial Officer, Chief Accounting Officer, Treasurer

Name

Name/Position

Position

Shareholding

Change

Mr. John N. Hatsopoulos

Lead Director

1.07M

+4.67%

Mr. Earl R. Lewis, III

Independent Director

1.01M

Mr. Robert A. Panora

President, Chief Operating Officer

72.19K

+13.40%

Ms. Angelina M. Galiteva, J.D.

Independent Chairperson of the Board

50.00K

Mr. Stephen Lafaille

Vice President - Business Development

29.41K

+98.64%

Dr. Ahmed F. Ghoniem

Independent Director

12.72K

FAQs

Who are the top five shareholders of Tecogen Ord Shs?

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The top five shareholders of Tecogen Ord Shs are: Mr. John N. Hatsopoulos

What is the biggest source of revenue for Tecogen Ord Shs?

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In 2026Q4, the Chiller business generated the highest revenue for Tecogen Ord Shs, amounting to 684.24K and accounting for 11.91% of total revenue.