Tecogen - 11 Year Stock Price History | TGEN
Historical daily share price chart and data for Tecogen since 2014 adjusted for splits and dividends. The latest closing stock price for Tecogen as of November 05, 2025 is 8.82.
- The all-time high Tecogen stock closing price was 20.80 on May 22, 2014.
- The Tecogen 52-week high stock price is 12.07, which is 36.8% above the current share price.
- The Tecogen 52-week low stock price is 0.84, which is 90.5% below the current share price.
- The average Tecogen stock price for the last 52 weeks is 4.82.
| Tecogen Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2025 | 5.4017 | 1.5500 | 12.0700 | 1.5500 | 8.8200 | 502.05% |
| 2024 | 0.8489 | 0.7800 | 1.9000 | 0.6300 | 1.4650 | 80.86% |
| 2023 | 1.0156 | 1.2500 | 1.2700 | 0.7500 | 0.8100 | -35.20% |
| 2022 | 1.2888 | 1.1950 | 1.7400 | 0.9300 | 1.2500 | 4.17% |
| 2021 | 1.7364 | 1.2500 | 2.3800 | 1.1000 | 1.2000 | -1.64% |
| 2020 | 1.1738 | 2.1562 | 2.2000 | 0.6600 | 1.2200 | -42.45% |
| 2019 | 3.2154 | 3.7000 | 4.1000 | 2.0928 | 2.1200 | -41.60% |
| 2018 | 3.1815 | 2.6200 | 4.1900 | 2.2000 | 3.6300 | 34.44% |
| 2017 | 3.3783 | 3.9400 | 4.2600 | 2.3200 | 2.7000 | -35.71% |
| 2016 | 4.2503 | 3.3200 | 5.8700 | 2.8500 | 4.2000 | 20.00% |
| 2015 | 4.2847 | 5.0100 | 5.5899 | 2.8200 | 3.5000 | -32.95% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Construction | Building Products - Air Conditioning & Heating | $0.262B | $0.023B |
| Tecogen Inc. designs, manufactures, sells, and services systems that produce electricity, hot water, and air conditioning for commercial installations and buildings and industrial processes. The Company's ultra-efficient products include cogeneration modules, which provide electricity and heat, and chillers, which provide air-conditioning and optional free hot water. Its products supply electrical power or mechanical power for cooling, as well as free engine heat that gets recovered and purposefully used at customer facilities. Tecogen Inc. is based in United States. | |||
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