Tecogen share price logo

Tecogen

AMEX: TGEN

$3.23

+0.07

(+2.23%)

Live

as on

Tecogen Stock Performance

as on September 30, 2026 at 1:10 am IST

  • Day's Low

    Day's High

    $3.08
    $3.24
    downward going graph

    4.64%

    Downside

    0.31%

    Upside

    downward going graph
  • 52 Week's Low

    52 Week's High

    $1.94
    $12.07
    downward going graph

    39.94%

    Downside

    273.68%

    Upside

    downward going graph

Tecogen share price movements today

Previous Close
$3.16
Open
$3.19
Volume
32.6K
Market Cap
$92.1M
Day's Low - High
$3.08 - $3.24
52 Week Low - High
$1.94 - $12.07

Tecogen Historical Returns

1 Month Return
+ 1.61 %
3 Month Return
-39.58 %
1 Year Return
-61.51 %
3 Year Return
+ 271.76 %
5 Year Return
0 %

Tecogen Stock Fundamentals & Key Indicators

Check Tecogen market cap, PE, PB, PEG ratios, dividend yield, and other key fundamental indicators.

Market Cap

$92.1M

EPS (TTM)

-0.414

Dividend Yield

0.00%

PE Ratio (TTM)

-7.37

Industry PE ratio

-0.86

PEG Ratio

0.10664082245136455

Return On Equity TTM

-59.21%

Tecogen Stock Valuation

Track how Tecogen P/E has moved over time to understand its valuation trends.

Tecogen in the last 5 years

  • Overview

  • Trends

Lowest (-16.47x)

December 31, 2025

Today (-16.47x)

December 31, 2025

Industry (-0.86x)

December 31, 2025

Highest (8.07x)

December 31, 2021

LowHigh

Today’s Price to Earnings Ratio: -16.47x

Tecogen vs Peer Comparison

Compare market cap, revenue, PE, and other key metrics of Tecogen with its industry peers.

Company
Analyst View
Market Cap
5 Years Return %PE RatioProfit Margin %Dividend Yield %
StrongBuy$92.1MNA-7.3737.18%0.00%
StrongBuy$85.0B1317.09%345.4231.24%0.00%
StrongBuy$97.5B905.11%56.0437.52%0.10%
StrongBuy$26.6B386.36%44.5636.97%0.50%
Neutral$24.7B151.97%27.5335.20%1.22%

Stock Returns calculator for Tecogen Stock including INR - Dollar returns

The Tecogen stock calculator helps Indian investors calculate returns based on the historical performance of the stock. Just choose your investment amount and duration to get insights and invest more confidently. See stock returns as well as the effect of dollar appreciation over different durations.

*Dollar Impact: The bonus return you make when the US Dollar rises against the Rupee; calculated on the full amount you walk away with, not just what you invested in.

Investment Value

₹1,00,000

  • 1Y

  • 3Y

  • 7Y

  • 10Y

Tecogen investment value today

Current value as on today

₹42,569

Returns

-₹57,431

(-57.43%)

Returns from Tecogen Stock

-₹60,658 (-60.66%)

Dollar Impact

₹3,227 (+3.23%)

Analyst Recommendation on Tecogen Stock

Based on 3 analysts

BUY

100.00%

Buy

0.00%

Hold

0.00%

Sell

Based on 3 analysts, 100% of analysts recommend a 'BUY' rating for Tecogen. Average target price of $8.75

Indian Investors' Interest in Tecogen Stock

Search interest for Tecogen Stock has decreased by -27% in the last 30 days, reflecting a downward trend in search activity.

Time period: to

Change:-27% versus previous 30 day period

Tecogen Quarterly Profit & Loss

All numbers in Millions USD

Mar 2024
Jun 2024
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Jun 2026
Total Revenue
6
4
5
6
7
7
7
5
6
12
Gross Profit
2
2
2
2
3
2
2
1
2
4
Operating Income
-1
-1
0
-1
0
-1
-2
-3
-2
-4
EBITDA
0
-1
0
0
0
-1
-1
-3
-1
-4
Interest Expense
0
0
0
0
0
0
0
0
0
0
Depreciation
0
0
0
0
0
0
0
0
0
-
Income Before Tax
-1
-1
0
-1
0
-1
-2
-3
-2
-4
Income Tax Expense
0
0
-
0
0
0
0
-
0
0
Net Income
-1
-1
0
-1
0
-1
-2
-3
-2
-4
Net Profit Margin
41.64%
43.98%
44.06%
45.01%
44.26%
33.76%
30.40%
36.81%
40.87%
39.43%

Tecogen Annual Profit & Loss

All numbers in Millions USD

Dec 2017
Dec 2018
Dec 2019
Dec 2020
Dec 2021
Dec 2022
Dec 2023
Dec 2024
Dec 2025
Total Revenue
33
35
33
28
24
25
25
22
27
Gross Profit
12
13
12
10
11
11
10
9
9
Operating Income
0
-5
-4
-5
-1
-2
-4
-4
-7
EBITDA
0
-4
-4
-5
4
-1
-3
-3
-7
Interest Expense
0
0
0
0
0
0
0
0
0
Depreciation
0
0
0
0
0
0
0
0
0
Income Before Tax
0
-5
-4
-6
3
-2
-4
-4
-8
Income Tax Expense
-
0
0
0
0
0
0
0
0
Net Income
0
-5
-4
-6
3
-2
-4
-4
-8
Net Profit Margin
39.02%
37.88%
37.33%
38.32%
47.49%
44.26%
40.58%
43.64%
36.29%

Tecogen Quarterly Cash Flow

All numbers in Millions USD

Mar 2024
Jun 2024
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Jun 2026
Net Income
-1
-1
0
-1
0
-1
-2
4
-2
-2
Operating Cash Flow
0
0
0
4
-1
-2
-3
-2
-3
-2
Investing Cash Flow
0
0
0
0
0
0
0
0
0
0
Financing Cash Flow
0
0
0
0
0
0
17
0
0
0
Change in Cash
0
0
0
4
-1
-2
13
-2
-3
-2

Tecogen Annual Cash Flow

All numbers in Millions USD

Dec 2017
Dec 2018
Dec 2019
Dec 2020
Dec 2021
Dec 2022
Dec 2023
Dec 2024
Dec 2025
Net Income
0
-5
-4
-6
3
-2
-4
-4
-8
Operating Cash Flow
0
-3
-4
1
0
-1
0
4
-9
Investing Cash Flow
1
1
4
0
0
0
0
-1
0
Financing Cash Flow
-2
1
0
0
1
-
0
1
17
Change in Cash
-2
-1
0
0
2
-1
0
4
7

Mutual Funds that own Tecogen Stock

Check out the Mutual Funds with significant holdings in Tecogen.

Funds
Holdings
Shares Held
VANGUARD INDEX FUNDS
2.48526%
750246
Fidelity Concord Street Trust
0.469891%
141850
Bridgeway Funds, Inc.
0.109474%
33048
FORUM FUNDS II
0.071535%
21595
GAMCO Global Series Funds, Inc
0.066251%
20000

Global Institutional Holdings in Tecogen

Funds
Holdings
Vanguard
2.55%
VANGUARD INDEX FUNDS
2.49%
Fidelity Concord Street Trust
0.47%
iShares
0.2%
Mario Gabelli
0.13%

Insights on Tecogen

Insights help you understand the recent movement of the company's critical parameters, giving you an overall view of the company.

  • imgPOSITIVE IMPACT

    Revenue Rich

    img

    Revenue is up for the last 3 quarters, 5.31M → 12.08M (in $), with an average increase of 31.8% per quarter

  • imgNO EFFECT

    Against Peers

    img

    In the last 3 years, Bloom Energy Corporation has given 1882.4% return, outperforming this stock by 1610.6%

  • imgNO EFFECT

    Against Peers

    img

    In the last 1 year, Bloom Energy Corporation has given 257.2% return, outperforming this stock by 318.7%

  • imgNEGATIVE IMPACT

    Price Dip

    img

    In the last 3 months, TGEN stock has moved down by -39.6%

  • imgNEGATIVE IMPACT

    Profit Down

    img

    Netprofit is down for the last 2 quarters, -2.12M → -4.26M (in $), with an average decrease of 101.3% per quarter

About Tecogen

Tecogen Inc. specializes in the design, manufacturing, sales, and ongoing support of industrial and commercial combined heat and power (CHP) systems. These energy solutions cater to a wide range of applications—residential, commercial, recreational, and industrial—both within the United States and internationally. The company's operations are segmented into three main areas: Products, Services, and Energy Production. Its product offerings include: Cogeneration units, such as the InVerde e+ and TecoPower models, which efficiently produce both electricity and hot water. TECOCHILL branded chillers for air conditioning and refrigeration purposes. Tecofrost gas engine-driven compressors used in refrigeration systems. Ilios brand water heaters. Ultera emissions control technology. Beyond equipment sales, Tecogen provides extensive support services, including long-term maintenance contracts, spare parts sales, and comprehensive turnkey installation. These services are delivered through a network of eleven field service centers located strategically across California, the Midwest, the Northeast, the Southeast, and Ontario, Canada. Additionally, the company undertakes the installation, ownership, operation, and maintenance of distributed generation systems for electricity and other energy solutions, along with complementary technologies. Tecogen serves a diverse clientele spanning numerous sectors, such as healthcare (hospitals, nursing homes), education (colleges, universities), hospitality (hotels, motels, health clubs, spas), commercial real estate (office, retail buildings), manufacturing (food and beverage processors, factories), multi-unit residential properties, and specialized facilities like laundries, ice rinks, swimming pools, municipal buildings, military installations, and indoor growing operations. Established in 2000, Tecogen Inc. is headquartered in Waltham, Massachusetts.
OrganisationTecogen
HeadquartersBuilding 1, North Billerica, MA, 01862, US
IndustryElectrical Equipment & Parts
CEOAbinand Rangesh
E-voting on sharesClick here to vote

Key Management of Tecogen

Name

Title

Dr. Abinand Rangesh Ph.D.

CEO & Director

Mr. Robert A. Panora

President & COO

Mr. Roger P. Deschenes

CFO, Treasurer & Chief Accounting Officer

Mr. John Kimball Whiting IV, Esq., J.D.

General Counsel & Secretary

Mr. Stephen Lafaille

Vice President of Business Development

Tristen Howell

Office Manager

FAQs

What is Tecogen share price today?

Tecogen share price today is $3.23 as on . Tecogen share today touched a day high of $3.24 and a low of $3.08.

What is the 52 week high and 52 week low for Tecogen share?

Tecogen share touched a 52 week high of $12.07 on and a 52 week low of $1.94 on . Tecogen stock price today i.e. is trending at $3.23,which is 73.24% down from its 52 week high and 66.49% up from its 52 week low.

What is Tecogen's market capitalisation today?

Tecogen market capitalisation is $0.00T as on .

How to invest in Tecogen Stock (TGEN) from India?

  1. Step 1: Open a free US stocks account on INDmoney App and transfer your Rupees into Dollars to your INDmoney US stocks account. For a step by step instruction, check How to Transfer Money to Your US Stocks Account .
  2. Step 2: Search for Tecogen on INDmoney app. Click on Buy button. You can invest as low as $1.5 in Tecogen Shares that will get you 0.4644 shares as per Tecogen share price of $3.23 per share as on September 29, 2026 at 7:40 pm IST.

What is the minimum amount required to buy Tecogen Stock (TGEN) from India?

Indian investors can start investing in Tecogen (TGEN) shares with as little as ₹95.980003356934 or $1 (as of ) using the INDmoney app.
For example: If you want to invest $10 or ₹959.80 in Tecogen stock (as per the Rupee-Dollar exchange rate as on ). Based on Tecogen share’s latest price of $3.23 as on September 29, 2026 at 7:40 pm IST, you will get 3.0960 shares of Tecogen. Learn more about fractional shares .