Quick Answer
TECOGEN INC. reported R&D Expense of $1.17 million for fiscal year 2025.
TECOGEN INC. R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $1.17M | +21.3% |
| 2024 | $961.8K | +14.5% |
| 2023 | $840.0K | +14.6% |
| 2022 | $732.9K | +35.2% |
| 2021 | $542.1K | -29.4% |
| 2020 | $767.3K | -47.4% |
| 2019 | $1.46M | +12.5% |
| 2018 | $1.30M | +38.5% |
| 2017 | $936.9K | +40.5% |
| 2016 | $667.1K | +12.8% |
| 2015 | $591.6K | -43.2% |
| 2014 | $1.04M | -4.2% |
| 2013 | $1.09M | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $297.9K | +27.4% | +10.9% |
| June 30, 2025 | $268.7K | +9.0% | -8.2% |
| March 31, 2025 | $292.7K | +14.9% | +25.2% |
| September 30, 2024 | $233.8K | +46.1% | -5.1% |
| June 30, 2024 | $246.5K | +4.2% | -3.2% |
| March 31, 2024 | $254.7K | +11.2% | +59.2% |
| September 30, 2023 | $160.0K | -20.8% | -32.3% |
| June 30, 2023 | $236.6K | +21.4% | +3.3% |
- TECOGEN INC. showed an increase of +21.3% in R&D Expense compared to the prior fiscal year.
- Over the 2013–2025 period, TECOGEN INC.’s r&d expense has grown by 7.3% (from $1.09 million to $1.17 million).
- The most recent figure is from TECOGEN INC.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 19, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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