Services was Tecogen’s largest product and service line in fiscal 2025, bringing in $16.62M of $43.69M (38%).
| Product and Service | FY 2012 | FY 2013 | FY 2014 | FY 2016 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Services | $12.06M | $14.52M | $16.07M | $16.62M | ||||||||
| Products | — | — | — | — | ||||||||
| Installation Services | $12.06M | $14.52M | $16.07M | $16.62M | ||||||||
| Maintenance Service | — | — | — | — | ||||||||
| Cogeneration | $5.28M | $2.76M | $2.68M | $3.07M | ||||||||
| Chiller | $5.03M | $5.30M | $1.65M | $5.66M | ||||||||
| Chiller Heat Pump | — | — | — | — | ||||||||
| Energy Production | $1.79M | $1.76M | $2.10M | $1.32M | ||||||||
| Engineered Accessories | $841.90K | $794.30K | $118.69K | $401.69K | ||||||||
| Total | $37.06M | $39.66M | $38.69M | $43.69M |
Tecogen brought in $43.69M from its six product and service lines in fiscal 2025, the year ended December 31, 2025. That was up 12.9% from $38.69M in fiscal 2024. Services was the largest at $16.62M (38.0%), ahead of Installation Services at $16.62M (38.0%) and Chiller at $5.66M (13.0%). The other three lines brought in $4.80M combined.
Compared with fiscal 2024, Chiller grew fastest, up 243.5% to $5.66M, while Energy Production fell the most, down 37.0% to $1.32M. From fiscal 2022 to 2025, combined revenue from these lines grew from $37.06M to $43.69M, a compound annual growth rate of 5.6%. Services' share of the total rose from 32.5% to 38.0%.
Services was Tecogen’s largest segment in fiscal 2025, bringing in $16.62M of $23.60M (70%).
| Segment | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Products & Services | — | — | — | — | |||||
| Services | $13.85M | $14.52M | $16.07M | $16.62M | |||||
| Services & Other | $12.06M | $14.52M | — | — | |||||
| Products | $5.28M | $5.30M | $2.68M | $5.66M | |||||
| Energy Production | $1.79M | $1.76M | $2.10M | $1.32M | |||||
| Corporate, Other & Elimination | -$310.82K | — | — | — | |||||
| Total | $32.66M | $36.11M | $20.85M | $23.60M |
Tecogen brought in $23.60M from its three segments in fiscal 2025, the year ended December 31, 2025. That is less than the $43.69M it reports by product and service, so these segments do not cover all of its revenue. Services was the largest at $16.62M (70.4%), ahead of Products at $5.66M (24.0%) and Energy Production at $1.32M (5.6%).
Compared with fiscal 2024, Products grew fastest, up 111.3% to $5.66M, while Energy Production fell the most, down 37.0% to $1.32M.
Tecogen stopped reporting Services & Other as a separate segment after fiscal 2023, when it brought in $14.52M.
Tecogen (TGEN) reports its revenue by product and service and by segment. In fiscal 2025, Services was its largest product and service line, bringing in $16.62M (38.0% of the total), followed by Installation Services at $16.62M (38.0%).
Services was Tecogen's largest product and service line in fiscal 2025, bringing in $16.62M, or 38.0% of the $43.69M total across its six product and service lines.
Services was Tecogen's largest segment in fiscal 2025, bringing in $16.62M, or 70.4% of the $23.60M total across its three segments.
Among Tecogen's product and service lines that make up at least 2% of revenue, Chiller grew fastest in fiscal 2025, up 243.5% from $1.65M to $5.66M.
Every figure comes from Tecogen's annual financial filings, as reported. Each line keeps the name Tecogen gives it, and years follow its fiscal calendar.
Tecogen's revenue by product and service goes back to fiscal 2012, with figures through fiscal 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.