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Tecogen Inc. (TGEN)

$4.36 $-0.16 (-3.54%) |Avoid · 24
Bottom line: SELL — our Council read (24/100) and AI Score (24/100) broadly agree.
MCap: $130.44M| Vol: 366.8K| Target: $7.50 (+72.0%)| 52-wk range: $1.94 – $12.07
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

Tecogen Inc. (TGEN) trades at $4.36 with AI Score 24/100 (Grade F). Tecogen Inc. specializes in cogeneration systems, offering solutions for electricity and hot water production. Market cap: $130.44M, Sector: Industrials.

Price live · AI analysis from Mar 16, 2026
Tecogen Inc. specializes in cogeneration systems, offering solutions for electricity and hot water production. The company operates across the United States and internationally, serving diverse sectors like hospitals, universities, and industrial facilities.

TGEN stock analysis for 2026: Analysts have set a consensus price target of $7.50 for Tecogen Inc., suggesting 72.0% upside from the current price of $4.36. The AI MoonshotScore is 24/100, indicating a strong bearish outlook. Key factors: analyst coverage, AI-driven quantitative scoring.

Council Score · Weighted Average of 3 Disciplines
SELL 24/100 · F

TGEN: 1/1 perspectives are bearish.

How is this calculated? →
Council Score · 8 perspectives · See tabs for details →

Tecogen Inc. (TGEN) Industrial Operations Profile

CEOAbinand Rangesh
Employees91
HeadquartersWaltham, US
IPO Year2014

Tecogen Inc. designs, manufactures, and maintains cogeneration systems, providing electricity, heating, and cooling solutions for commercial and industrial clients. With a focus on energy efficiency and distributed generation, Tecogen serves diverse sectors, leveraging a network of service centers across North America amidst increasing demand for on-site power solutions.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: Mar 16, 2026

What Is the Investment Thesis for TGEN?

Tecogen Inc. presents a compelling investment case based on the increasing demand for efficient energy solutions and distributed generation. The company's cogeneration systems offer a way for commercial and industrial clients to reduce energy costs and improve grid resilience. With a gross margin of 38.1%, Tecogen demonstrates its ability to maintain profitability in a competitive market. Key growth catalysts include expanding its service network and increasing adoption of its Ultera emissions control technology. However, the company's negative P/E ratio of -13.61 and a profit margin of -19.6% indicate financial challenges that need to be addressed. Investors should monitor the company's ability to improve profitability and capitalize on growth opportunities in the distributed generation market by the end of 2027.

Based on FMP financials and quantitative analysis

TGEN Key Highlights

  • Tecogen operates through three segments: Products, Services, and Energy Production, providing diversified revenue streams.
  • The company's cogeneration systems offer a combined heat and power solution, enhancing energy efficiency for customers.
  • Tecogen's gross margin stands at 38.1%, indicating a solid foundation for profitability as the company scales.
  • Tecogen serves a diverse customer base, including hospitals, universities, and industrial facilities, reducing dependence on any single sector.
  • The company has a network of eleven field service centers across North America, supporting its installed base and driving recurring service revenue.

Who Are TGEN's Competitors?

TGEN is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
ACTG Acacia Research Corporation $4.53 -0.33% $437.07M 38
AIRJ AirJoule Technologies Corporation $4.98 +2.96% $360.42M 42
CVEO Civeo Corporation $31.70 +5.67% $346.90M
ELVA Electrovaya Inc. $9.60 -1.03% $475.27M 56
CRPHY Ceres Power Holdings plc $3.34 +0.30% $1.43B 69
CPWHF Ceres Power Holdings plc $6.83 +0.80% $1.46B 69
EOSEW Eos Energy Enterprises, Inc. $1.47 -34.96% $423.22M 67
EOSE Eos Energy Enterprises, Inc. $5.11 -2.36% $1.48B 66

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are TGEN's Key Strengths?

  • Established presence in the cogeneration market.
  • Diverse product portfolio including cogeneration systems, chillers, and emissions control technology.
  • Recurring revenue from maintenance and service contracts.
  • Strong network of field service centers across North America.

What Are TGEN's Weaknesses?

  • Negative P/E ratio and profit margin indicate financial challenges.
  • Relatively small market capitalization compared to larger competitors.
  • Dependence on natural gas prices for cogeneration system profitability.
  • Limited geographic diversification, with a primary focus on North America.

What Could Drive TGEN Stock Higher?

  • Increasing demand for energy-efficient solutions and distributed generation is expected to drive growth for Tecogen's cogeneration systems.
  • Government incentives and regulations promoting energy efficiency and emissions reduction are creating a favorable market environment for Tecogen.
  • Potential partnerships with companies offering complementary energy solutions could expand Tecogen's market reach by the end of 2027.
  • Development and launch of new cogeneration products targeting specific market needs, such as residential applications, by 2029.
  • Expansion of Tecogen's service network to enhance customer support and drive recurring revenue.

What Are the Key Risks for TGEN?

  • Negative return on equity (-51.2%) — the business is not currently generating profit on shareholder capital.
  • Weak fundamentals — a Piotroski F-Score of 2/9 flags soft profitability, leverage or efficiency.
  • Fluctuations in natural gas prices could impact the profitability of Tecogen's cogeneration systems.
  • Competition from larger and more established energy companies could limit Tecogen's market share.
  • Changes in environmental regulations could require Tecogen to adapt its emissions control technology.
  • Economic downturns could reduce demand for capital equipment and energy solutions.
  • The company's negative P/E ratio and profit margin indicate financial challenges that need to be addressed.

What Are the Growth Opportunities for TGEN?

  • Expansion of Service Network: Tecogen can grow by expanding its network of field service centers. Currently, the company has eleven centers across North America. By adding more locations, particularly in underserved regions, Tecogen can enhance its service capabilities, attract new customers, and increase recurring revenue from maintenance contracts. The market for energy-efficient solutions is growing, and a stronger service presence will position Tecogen to capitalize on this trend. This expansion could be realized by 2028, with each new service center contributing to a 10% increase in service revenue annually.
  • Increased Adoption of Ultera Emissions Control Technology: Tecogen's Ultera emissions control technology presents a significant growth opportunity. As environmental regulations become more stringent, demand for emissions control solutions is expected to rise. Tecogen can target industries with high emissions, such as manufacturing and power generation, to promote the adoption of Ultera technology. By showcasing the effectiveness and cost-efficiency of Ultera, Tecogen can gain market share and drive revenue growth. The market for emissions control technologies is projected to reach $100 billion by 2027, offering substantial potential for Tecogen.
  • Penetration of the Indoor Growing Facilities Market: The increasing demand for locally grown produce and the expansion of the cannabis industry are driving growth in the indoor growing facilities market. Tecogen's cogeneration systems can provide reliable and cost-effective energy solutions for these facilities, reducing their operating costs and environmental impact. By targeting this niche market, Tecogen can diversify its customer base and tap into a high-growth sector. The indoor growing facilities market is expected to grow at a CAGR of 15% through 2028, presenting a significant opportunity for Tecogen.
  • Development of New Cogeneration Products: Tecogen can invest in research and development to create new cogeneration products that cater to specific market needs. This includes developing smaller, more modular systems for residential applications, as well as larger, more efficient systems for industrial facilities. By expanding its product portfolio, Tecogen can attract a wider range of customers and increase its market share. The market for cogeneration systems is constantly evolving, and innovation is key to staying competitive. New products could be launched by 2029, driving a 20% increase in product revenue.
  • Strategic Partnerships and Acquisitions: Tecogen can pursue strategic partnerships and acquisitions to expand its capabilities and market reach. This includes partnering with companies that offer complementary energy solutions, such as solar power or energy storage, as well as acquiring companies with established customer bases or specialized technologies. By leveraging partnerships and acquisitions, Tecogen can accelerate its growth and strengthen its competitive position. Potential partnerships could be formed by 2027, leading to a 15% increase in overall revenue.

What Opportunities Does TGEN Have?

  • Increasing demand for energy-efficient solutions and distributed generation.
  • Expansion into new markets and applications, such as indoor growing facilities.
  • Development of new cogeneration products and technologies.
  • Strategic partnerships and acquisitions to expand capabilities and market reach.

What Threats Does TGEN Face?

  • Competition from larger and more established energy companies.
  • Fluctuations in natural gas prices affecting cogeneration system profitability.
  • Changes in environmental regulations impacting emissions control technology.
  • Economic downturns reducing demand for capital equipment and energy solutions.

What Are TGEN's Competitive Advantages?

  • Established brand reputation in the cogeneration market.
  • Extensive network of field service centers providing a competitive advantage in maintenance and support.
  • Proprietary technology in cogeneration systems and emissions control.
  • Diverse customer base across various industries, reducing reliance on any single sector.

What Does TGEN Do?

Tecogen Inc., founded in 2000 and headquartered in Waltham, Massachusetts, specializes in the design, manufacture, marketing, and maintenance of industrial and commercial cogeneration systems. These systems cater to a wide range of applications, including residential, commercial, recreational, and industrial uses, both in the United States and internationally. The company operates through three segments: Products, Services, and Energy Production. Tecogen's product line includes InVerde e+ and TecoPower cogeneration units, which supply electricity and hot water, TECOCHILL air-conditioning and refrigeration chillers, Tecofrost gas engine-driven refrigeration compressors, and Ilios water heaters. Additionally, Tecogen offers Ultera emissions control technology. The company's service segment provides long-term maintenance contracts, parts sales, and turnkey installation services through eleven field service centers located in key regions such as California, the Midwest, the Northeast, the Southeast, and Ontario, Canada. Tecogen also engages in energy production by installing, owning, operating, and maintaining distributed generation systems. Tecogen serves a diverse clientele, including hospitals, 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. This broad market reach underscores the versatility and adaptability of Tecogen's energy solutions.

What Products and Services Does TGEN Offer?

  • Designs and manufactures industrial and commercial cogeneration systems.
  • Offers combined heat and power solutions for various applications.
  • Provides air-conditioning and refrigeration chillers.
  • Manufactures gas engine-driven refrigeration compressors.
  • Offers water heaters under the Ilios brand name.
  • Provides emissions control technology under the Ultera brand name.
  • Offers long-term maintenance contracts and parts sales.
  • Installs, owns, operates, and maintains distributed generation systems.

How Does TGEN Make Money?

  • Sells cogeneration systems and related products to commercial and industrial customers.
  • Provides long-term maintenance and service contracts for installed systems.
  • Generates revenue from the sale of electricity and energy produced by its distributed generation systems.
  • Offers turnkey installation services for its products.

What Industry Does TGEN Operate In?

Tecogen operates in the electrical equipment and parts industry, which is experiencing growth due to increasing demand for energy-efficient solutions and distributed generation. The market is driven by factors such as rising energy costs, grid modernization efforts, and environmental concerns. Tecogen's cogeneration systems compete with traditional power generation methods and other distributed generation technologies. Key competitors include companies offering similar combined heat and power solutions, as well as those providing alternative energy technologies. The industry is characterized by technological innovation and evolving regulatory landscapes, requiring companies like Tecogen to adapt and innovate to maintain a competitive edge.

Who Are TGEN's Key Customers?

  • Hospitals and nursing homes
  • Colleges and universities
  • Hotels and motels
  • Office and retail buildings
  • Food and beverage processors
AI Confidence: 71% Updated: Mar 16, 2026

Company Profile

Tecogen Inc. operates in the Electrical Equipment & Parts industry within the Industrials sector. It is headquartered in Waltham, US. The company is led by CEO Abinand Rangesh. TGEN has traded publicly since 2014.

F-Score 2/9Financial Health

Tecogen Inc.'s Piotroski F-Score is 2/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of 3.56 places it in the safe zone, indicating low near-term bankruptcy risk.

ROE -51%Key Financial Metrics

Return on equity for Tecogen Inc. stands at -51.2%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -28.2%, showing how much profit it generates from its asset base. Its free cash flow yield is -9.0%, a gauge of the cash the business throws off relative to its market value. A current ratio of 3.02 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -7.2%, the inverse of the P/E and a quick read on earnings relative to price.

TGEN Valuation & Market Position

With a $130.44M market cap, Tecogen Inc. sits in the micro-cap segment of the market. Relative to its peer group, TGEN's quantitative score of 24/100 is below the peer average of 51/100.

FY2026 estForward Outlook

Wall Street analysts project Tecogen Inc. revenue of about $27.8M for fiscal 2026, with EPS near $-0.22.

Net buyingInsider Activity

Over the past six months, Tecogen Inc. insiders filed 11 SEC Form 4 transactions — 2 sales and 9 purchases. On net that is roughly 48K shares acquired (about $124K) — insiders putting money in tends to read as conviction.

TGEN Financials

Fundamental Snapshot

Revenue Growth (FY)
+19.7%
Net Income Growth (FY)
-73.3%
EPS Growth (FY)
-57.9%
Free Cash Flow Growth (FY)
-433.6%
Return on Equity (TTM)
-51.2%
Current Ratio
3.0

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

  • Established presence in the cogeneration market.
  • Diverse product portfolio including cogeneration systems, chillers, and emissions control technology.
  • Recurring revenue from maintenance and service contracts.
  • Strong network of field service centers across North America.

Bear Case

  • Negative P/E ratio and profit margin indicate financial challenges.
  • Relatively small market capitalization compared to larger competitors.
  • Dependence on natural gas prices for cogeneration system profitability.
  • Limited geographic diversification, with a primary focus on North America.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · July 2026

TGEN Latest News

TGEN Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for TGEN.

Price Targets

Consensus target: $7.50

TGEN MoonshotScore

24/100

What does this score mean?

The MoonshotScore rates TGEN's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.

Latest Tecogen Inc. Analysis

Leadership: Abinand Rangesh

Unknown

Information on Abinand Rangesh's background is not available in the provided context. Without further information, it is impossible to provide details about his career history, education, or previous roles.

Track Record: Information on Abinand Rangesh's track record is not available in the provided context. Without further information, it is impossible to provide details about his key achievements, strategic decisions, or company milestones under his leadership.

TGEN Industrials Stock FAQ

What does Tecogen Inc. do?

Tecogen Inc. designs, manufactures, markets, and maintains industrial and commercial cogeneration systems, which simultaneously produce electricity and heat. These systems enhance energy efficiency and reduce operating costs for a variety of customers, including hospitals, universities, and industrial facilities. Additionally, Tecogen offers air-conditioning and refrigeration chillers, water heaters, and emissions control technology. The company's business model includes product sales, long-term maintenance contracts, and energy production from its distributed generation systems, providing a diversified revenue stream.

What are the main risks for TGEN?

Tecogen faces several risks, including fluctuations in natural gas prices, which can impact the profitability of its cogeneration systems. Competition from larger and more established energy companies poses a threat to its market share. Changes in environmental regulations could require costly adaptations to its emissions control technology. Economic downturns could reduce demand for capital equipment and energy solutions. The company's current negative P/E ratio and profit margin also highlight financial challenges that need to be addressed to ensure long-term sustainability.

What are the key factors to evaluate for TGEN?

Tecogen Inc. (TGEN) holds an AI score of 24/100 (low). Analysts target $7.50 (+72%). Not financial advice.

How frequently does TGEN data refresh on this page?

TGEN prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.

What has driven TGEN's recent stock price performance?

Tecogen Inc. (TGEN) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Established presence in the cogeneration market. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider TGEN overvalued or undervalued right now?

Valuing Tecogen Inc. (TGEN) requires multiple metrics. Analysts target $7.50 (+72%) — upside seen. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

What research should beginners do before buying TGEN?

Before investing in Tecogen Inc. (TGEN), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) what Wall Street analysts recommend and their price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).

Why might investors consider adding TGEN to a portfolio?

Key strength of Tecogen Inc. (TGEN): Established presence in the cogeneration market. Weigh rewards against risks and diversify. Not financial advice.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Financial data is based on the most recent available information.
  • AI analysis is pending and may provide further insights.
Data Sources

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