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Tecogen Inc. (TGEN) is a manufacturing and production company in the additional energy production equipment industry, based in North Billerica, United States, with about 119 full-time employees.
It reported revenue of $27.07 million for fiscal year 2025, up 19.7% from fiscal year 2024, and net income of -$8.25 million. Its largest business segment, Services, brought in 61% of segment revenue in fiscal year 2025. Its market capitalization was $73.05 million as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
, together with its subsidiaries, designs, manufactures, markets, and maintains cogeneration products for multi-family residential, commercial, recreational, and industrial use in the United States. It operates in three segments: Products, Services, and Energy Production.
Tecogen reported $27.07 million in revenue for fiscal year 2025, up 19.7% from $22.62 million in fiscal year 2024.
Services, with $16.62 million or 61% of segment revenue in fiscal year 2025. Next: Products (34%) and Energy Production (5%).
$73.05 million as of October 9, 2026.
Listed companies of a similar size in the same industry (additional energy production equipment) include Nano Nuclear Energy Inc. (NNE), Hyliion Holdings Corp. (HYLN), NET Power Inc. (NPWR), Zooz Power Ltd. (ZOOZ).