TGEN Stock Summary and Trading Ideas (Tecogen | AMEX:TGEN)

Tecogen Inc produces commercial and industrial, natural-gas-fueled engine-driven, combined heat and power (CHP) products that reduce energy costs, decrease greenhouse gas emissions and alleviate congestion on the national power grid. Its products supply electric power or mechanical power for cooling. The company has three business segments: Products Segment, Services Segment, and Energy Production Segment. The majority of the company's revenue is derived from the Services segment, which provides operations and maintenance (O&M) services for its products under long term service contracts.

Tecogen trades on the AMEX stock market under the symbol TGEN.

As of August 12, 2026, TGEN stock price declined to $3.97 with 33,823 million shares trading.

TGEN has a beta of 3.84, meaning it tends to be more sensitive to market movements. TGEN has a correlation of 0.21 to the broad based SPY ETF.

TGEN has a market cap of $118.72 million. This is considered a Micro Cap stock.

Last quarter Tecogen reported $6 million in Revenue and -$.07 earnings per share. This beat revenue expectation by $1 million and exceeded earnings estimates by $.03.

The top ETF exchange traded funds that TGEN belongs to (by Net Assets): VTI, VXF, IWC, BUSM, DFAS.

TGEN has underperformed the market in the last year with a return of -56.0%, while the SPY ETF gained +22.6%. In the last 3 month period, TGEN fell short of the market, returning -9.2%, while SPY returned +4.7%. However, in the most recent 2 weeks TGEN has outperformed the stock market by returning +28.1%, while SPY returned +4.2%.

TGEN support price is $3.84 and resistance is $4.28 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that TGEN shares will trade within this expected range on the day.