Tecogen (TGEN) AI Stock Analysis

• Market Cap: $66.58M
• Dividend Yield: N/A
• Average Volume (3M): 336.31K
• Price to Earnings (P/E): ―
• Beta (1Y): 1.96
• Revenue Growth: 24.01%
• EPS Growth: 5.55%
• Country: US
• Employees: 91
• Sector: Industrials
• Sector Strength: 72
• Industry: Electrical Equipment & Parts
• EPS (TTM): -0.13
• Shares Outstanding: 29,855,228
• 10 Day Avg. Volume: 571,890
• 30 Day Avg. Volume: 336,311
• PEG Ratio: -0.28
• Price to Book (P/B): 6.22
• Price to Sales (P/S): 4.97
• P/FCF Ratio: -13.05
• Enterprise Value/Market Cap: 0.86
• Enterprise Value/Revenue: 2.10
• Enterprise Value/Gross Profit: 5.80
• Enterprise Value/Ebitda: -9.11
• 1Y Price Target: $10.00
• Price Target Upside: 348.43% Upside
• Rating Consensus: Moderate Buy
• Number of Analyst Covering: 1
• EPS Forecast (FY): -0.11
• Revenue Forecast (FY): $42.58M

• Rating: 47 Neutral
• Price Target: $2.00 ▼(-10.31% Downside)
• Action: Reiterated Date: 03/19/26
• Date: Action: Reiterated 03/19/26

The score is held down primarily by weak financial performance (ongoing losses and a sharp deterioration in TTM cash flow) and a bearish technical trend with the stock far below key moving averages. Offsetting this somewhat, management outlined credible near-term cost controls and meaningful pipeline/validation milestones (notably the Vertiv demo) that could improve execution, but valuation provides limited support given negative earnings and no dividend.

Positive Factors

Large data-center pipeline & Vertiv demo

An independent Vertiv demonstration and a 25–50 MW design footprint provide structural commercial validation in data-center cooling. Successful demo validation can de-risk adoption, accelerate multi-chiller orders and convert a sizable pipeline, supporting durable product revenue growth if performance meets specs.

Manufacturing scale-up & qualified subcontractors

Having qualified subcontractors and a clear 100 units/year scale target enables repeatable production without heavy fixed-capex, improving ability to fulfill large orders and support revenue scaling. Outsourced assembly and DFM improvements reduce unit costs and support sustainable margin improvement as volumes rise.

Conservative leverage and cash buffer

Low debt and a multi-million dollar cash balance provide financial flexibility to fund near-term demos, scale manufacturing, and execute OpEx reductions. A conservative leverage profile reduces refinancing risk and gives time to convert pipeline before leverage pressures become acute.

Negative Factors

Material cash-flow burn

Sustained negative operating and free cash flow materially increases financing risk and constrains investment optionality. Until OpEx reductions and revenue conversions materialize, ongoing burn could force dilutive financing, slow product rollouts, or reduce marketing/service investment, impairing long-term growth execution.

Widening losses and weak profitability

Deep and widening operating losses indicate the business is not yet generating sustainable returns on capital. Persistent negative margins limit reinvestment capacity, pressure ROE, and mean profitability hinges on successful margin recovery actions and consistent product revenue growth over several quarters.

Product revenue lumpiness and execution risk

Highly lumpy product sales, large quarter-to-quarter swings, and negative product margins from unabsorbed costs underscore execution and working-capital risk. If project delays, permit or financing timing persist, revenue conversion and margin recovery could be delayed, undermining the leverage benefits of scale-up plans.

Tecogen Business Overview & Revenue Model

Company Description

Tecogen Inc. designs, manufactures, markets, and maintains industrial and commercial cogeneration systems for residential, commercial, recreational, and industrial use in the United States and internationally. It operates through three segments: Products, Services, and Energy Production. The company offers InVerde e+ and TecoPower, a cogeneration product that supplies electricity and hot water; TECOCHILL air-conditioning and refrigeration chillers; Tecofrost gas engine-driven refrigeration compressors; and water heaters under the Ilios brand name, as well as emissions control technology under the Ultera brand name. It also provides long-term maintenance contracts, parts sales, and turnkey installation services through a network of eleven field service centers in California, the Midwest, the Northeast, and the Southeast, as well as in Ontario, Canada. In addition, the company installs, owns, operates, and maintains distributed generation of electricity, energy, and other complementary systems. It serves hospitals and nursing homes, colleges, universities, health clubs, spas, hotels, motels, office and retail buildings, food and beverage processors, multi-unit residential buildings, laundries, ice rinks, swimming pools, factories, municipal buildings, military installations, and indoor growing facilities. The company was incorporated in 2000 and is headquartered in Waltham, Massachusetts.

How the Company Makes Money

Tecogen makes money primarily through (1) product and project revenue from selling and delivering distributed energy systems and (2) recurring service revenue from maintaining those systems after installation. Product/project revenue generally includes the sale of CHP/cogeneration units and natural-gas-engine-driven HVAC equipment, along with associated engineering, installation, commissioning, and other project-related work where applicable. Recurring revenue comes from long-term maintenance contracts, parts sales, and field service labor to keep customer equipment running over its operating life; this can include preventative maintenance and repairs for Tecogen-installed units. The company’s earnings are influenced by customer adoption of on-site generation and high-efficiency HVAC solutions, which is typically tied to relative electricity vs. natural gas economics and the value of recovered heat (for hot water/steam or heating) at the customer site. Significant partnerships or named counterparties contributing to earnings: null.

Tecogen Financial Statement Overview

Summary

Operating performance and cash flow are weak: TTM net margin is about -19.6% with negative EBIT margin (~-18.4%), and operating/free cash flow turned meaningfully negative (about -$9.9M/-$10.3M). The balance sheet is a relative strength with low leverage (debt-to-equity ~0.11), but returns are poor (ROE roughly -40%) and revenue has declined in TTM, keeping the financial profile below average.

Income Statement

TTM (Trailing-Twelve-Months) results show continued losses with net margin around -19.6% and deeply negative operating profitability (EBIT margin ~-18.4%). Revenue also declined sharply (about -2.7%), and profitability has generally deteriorated versus 2022 (when losses were meaningfully smaller). A positive is that gross margin remains solid (~38% TTM), indicating the core product/service economics can support profitability if operating costs are brought under control.

Balance Sheet

The balance sheet looks relatively conservative from a leverage standpoint: debt is low versus equity in TTM (debt-to-equity ~0.11), improved from 2024 (~0.36). Equity is sizable versus assets, which provides some cushion. The key weakness is that returns are poor due to ongoing losses (TTM return on equity roughly -40%), meaning the company is not currently generating value from its capital base despite the healthier leverage profile.

Cash Flow

Cash generation weakened materially in TTM (Trailing-Twelve-Months), with operating cash flow around -$9.9M and free cash flow about -$10.3M, a sharp reversal from positive operating and free cash flow in 2024. While free cash flow has been positive in at least one recent year (2024), the latest TTM burn raises financing risk if losses persist. The main positive is that cash flow has shown the ability to improve year-to-year historically, but current momentum is unfavorable.

Breakdown	Dec 2025	Dec 2024	Dec 2023	Dec 2022	Dec 2021
Income Statement
Total Revenue	27.07M	22.62M	25.14M	25.00M	24.40M
Gross Profit	9.82M	9.87M	10.20M	11.07M	11.59M
EBITDA	-6.25M	-3.98M	-3.85M	-1.90M	4.27M
Net Income	-8.25M	-4.76M	-4.60M	-2.45M	3.70M
Balance Sheet
Total Assets	36.99M	31.09M	27.79M	28.25M	32.36M
Cash, Cash Equivalents and Short-Term Investments	12.43M	5.41M	1.35M	1.91M	3.61M
Total Debt	2.82M	3.73M	1.48M	1.31M	1.96M
Total Liabilities	15.52M	20.97M	13.14M	9.27M	11.23M
Stockholders Equity	21.65M	10.23M	14.75M	19.09M	21.21M
Cash Flow
Free Cash Flow	-10.31M	3.09M	-864.66K	-1.70M	310.49K
Operating Cash Flow	-9.91M	4.06M	-817.81K	-1.35M	465.03K
Investing Cash Flow	-464.13K	-1.01M	-244.89K	-348.56K	-215.06K
Financing Cash Flow	17.40M	1.01M	500.00K	0.00	1.87M

Tecogen Technical Analysis

• Technical Analysis Sentiment: Negative
• Last Price: 2.23
• 50DMA: Negative
• 100DMA: Negative
• 200DMA: Negative
• MACD: Positive
• RSI: Positive
• STOCH: Positive

Evaluating momentum and price trends is crucial in stock analysis to make informed investment decisions. For TGEN, the sentiment is Negative. The current price of 2.23 is below the 20-day moving average (MA) of 3.02, below the 50-day MA of 3.72, and below the 200-day MA of 6.57, indicating a bearish trend. The MACD of -0.43 indicates Positive momentum. The RSI at 29.01 is Positive, neither overbought nor oversold. The STOCH value of 18.52 is Positive, not indicating any strong overbought or oversold conditions. Overall, these indicators collectively point to a Negative sentiment for TGEN.

Tecogen Peers Comparison

Name	Overall Rating	Market Cap	P/E Ratio	ROE	Dividend Yield	Revenue Growth	EPS Growth
ESP	82 Outperform	$158.33M	11.56	19.09%	3.00%	4.90%	31.13%
ULBI	64 Neutral	$107.05M	-16.14	-4.35%	―	12.94%	-81.09%
Sector *	63 Neutral	$10.79B	15.43	7.44%	2.01%	2.89%	-14.66%
SDST	51 Neutral	$24.18M	-1.45	209.00%	―	―	61.78%
FCEL	48 Neutral	$349.12M	-4.17	-26.54%	―	41.05%	-1.02%
TGEN	47 Neutral	$66.58M	-16.31	-50.12%	―	24.01%	5.55%
NEOV	44 Neutral	$162.65M	-4.80	-176.25%	―	―	―

Tecogen Corporate Events

Tecogen Reports 2025 Results, Highlights Data Center Pivot

Tecogen Inc., a North Billerica, Mass.-based clean energy equipment maker specializing in high-efficiency cogeneration, air conditioning and water heating systems, serves residential, commercial, recreational and industrial customers across North America. The company markets its products as ultra-clean, cost-effective solutions that cut criteria pollutants and carbon footprints, backed by more than three decades of operating history and a sizable installed base.

On March 17, 2026, Tecogen reported that 2025 revenue rose 19.7% year over year to $27.07 million, but its net loss widened to $8.25 million, with management citing higher labor and material costs, increased operating expenses and goodwill and asset impairments. Fourth-quarter 2025 revenue fell 12.5% to $5.32 million and the quarterly net loss grew to $3.99 million, as weaker product and energy production sales, lower gross margins and higher operating costs weighed on results, even as full-year product revenue more than doubled and service revenue inched higher.

The company ended 2025 with $12.43 million in cash after using $9.91 million in operating cash and raising $17.40 million in a July 2025 follow-on offering, funds that management said were deployed to expand service margins, manufacturing capacity and data center-focused R&D and marketing. CEO Abinand Rangesh acknowledged the widened losses and increased cash burn but framed the spending as critical to capturing emerging data center opportunities, including a growing Vertiv-linked chiller pipeline, prospective data center projects and an upcoming pilot, underscoring a strategic pivot toward digital infrastructure customers.

For stakeholders, the results highlight a mixed picture of strong top-line growth and expanding product sales offset by margin compression, rising costs and negative adjusted EBITDA of $5.64 million for 2025. The planned March 18, 2026 earnings call is set to provide additional detail on the scale and timing of the data center opportunity, which could be key to improving Tecogen’s long-term profitability and competitive positioning despite near-term financial pressure.

The most recent analyst rating on (TGEN) stock is a Hold with a $3.50 price target. To see the full list of analyst forecasts on Tecogen stock, see the TGEN Stock Forecast page.

Tecogen Highlights Chiller Solutions for Power-Constrained Data Centers

On January 6, 2026, Tecogen Inc. highlighted via a LinkedIn post and an investor FAQ that its natural gas and hybrid chillers remain highly relevant to data center cooling, even as designs evolve toward higher-temperature liquid cooling and potential chiller-free configurations. The company argues that data centers will continue to require significant chiller capacity for data hall cooling and turbine inlet cooling, and that its patented hybrid drive technology can also support chiller-free sites by powering large fan systems and enabling seamless fuel switching to reduce peak electrical demand. Tecogen positions these capabilities as a way for data centers facing tightening power constraints and more acute peak pricing to maintain or expand AI computing capacity without overburdening grid-supplied electricity, underlining a strategic opportunity for its technologies in large-scale facilities such as 250 MW data centers.

The most recent analyst rating on (TGEN) stock is a Hold with a $5.00 price target. To see the full list of analyst forecasts on Tecogen stock, see the TGEN Stock Forecast page.