Installation Services was Tecogen’s largest product and service line in fiscal 2025, bringing in $16.62M of $27.07M (61%).
| Product and Service | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|
| Products | — | — | — | — | ||||
| Installation Services | $12.06M | $14.52M | $16.07M | $16.62M | ||||
| Maintenance Service | — | — | — | — | ||||
| Chiller | $5.03M | $5.30M | $1.65M | $5.66M | ||||
| Cogeneration | $5.28M | $2.76M | $2.68M | $3.07M | ||||
| Energy Production | $1.79M | $1.76M | $2.10M | $1.32M | ||||
| Engineered Accessories | $841.90K | $794.30K | $118.69K | $401.69K | ||||
| Total | $25.00M | $25.14M | $22.62M | $27.07M |
Tecogen brought in $27.07M from its five product and service lines in fiscal 2025, the year ended December 31, 2025. That was up 19.7% from $22.62M in fiscal 2024. Installation Services was the largest at $16.62M (61.4%), ahead of Chiller at $5.66M (20.9%) and Cogeneration at $3.07M (11.4%). The other two lines brought in $1.73M 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 $25.00M to $27.07M, a compound annual growth rate of 2.7%. Installation Services' share of the total rose from 48.2% to 61.4%.
Services was Tecogen’s largest segment in fiscal 2025, bringing in $16.62M of $27.07M (61%).
| Segment | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Products & Services | — | — | — | — | ||||||
| Services | — | — | $16.07M | $16.62M | ||||||
| Services & Other | $12.37M | $14.52M | — | — | ||||||
| Products | $11.16M | $8.86M | $4.44M | $9.13M | ||||||
| Energy Production | $1.79M | $1.76M | $2.10M | $1.32M | ||||||
| Corporate, Other & Elimination | -$310.82K | — | — | — | ||||||
| Total | $25.00M | $25.14M | $22.62M | $27.07M |
Tecogen brought in $27.07M from its three segments in fiscal 2025, the year ended December 31, 2025. That was up 19.7% from $22.62M in fiscal 2024. Services was the largest at $16.62M (61.4%), ahead of Products at $9.13M (33.7%) and Energy Production at $1.32M (4.9%).
Compared with fiscal 2024, Products grew fastest, up 105.5% to $9.13M, while Energy Production fell the most, down 37.0% to $1.32M.
Tecogen began breaking out Services in fiscal 2024, when it brought in $16.07M. 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, Installation Services was its largest product and service line, bringing in $16.62M (61.4% of the total), followed by Chiller at $5.66M (20.9%).
Installation Services was Tecogen's largest product and service line in fiscal 2025, bringing in $16.62M, or 61.4% of the $27.07M total across its five product and service lines.
Services was Tecogen's largest segment in fiscal 2025, bringing in $16.62M, or 61.4% of the $27.07M 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 2018, 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.