Tecogen Inc. share price logo

Tecogen Inc.

NYSE: TGEN

Small Cap

$4.80

-0.55

(-10.28%)

as on

Tecogen Inc. Stock Performance

as on May 8, 2026 at 6:59 am IST

  • Day's Low

    Day's High

    $4.71
    $5.29
    downward going graph

    1.87%

    Downside

    10.21%

    Upside

    downward going graph
  • 52 Week's Low

    52 Week's High

    $1.94
    $12.07
    downward going graph

    59.58%

    Downside

    151.46%

    Upside

    downward going graph

Tecogen Inc. share price movements today

Previous Close
$5.35
Open
$5.22
Volume
600.7K
Day's Low - High
$4.71 - $5.29
52 Week Low - High
$1.94 - $12.07

Tecogen Inc. Historical Returns

1 Month Return
+ 104.2 %
3 Month Return
+ 42.67 %
1 Year Return
+ 65.63 %
3 Year Return
+ 522.09 %
5 Year Return
0 %

Tecogen Inc. Stock Fundamentals & Key Indicators

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

Market Cap

$147.7M

EPS (TTM)

-0.25

Dividend Yield

0.00%

PE Ratio (TTM)

0

PEG Ratio

0

Return On Equity TTM

-52.21%

Tecogen Inc. vs Peer Comparison

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

Company
Analyst View
Market Cap
5 Years Return %PE RatioProfit Margin %
NA$147.7MNANA-30.47%
BUY$131.0B1459.84%85.4714.37%
BUY$81.2B1128.89%NA0.25%
BUY$27.9BNA58.4711.37%
BUY$26.8B152.2%30.0315.11%

Stock Returns calculator for Tecogen Inc. Stock including INR - Dollar returns

The Tecogen Inc. 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 Inc. investment value today

Current value as on today

₹1,65,303

Returns

₹65,303

(+65.3%)

Returns from Tecogen Inc. Stock

₹48,607 (+48.61%)

Dollar Impact

₹16,696 (+16.7%)

Indian Investors' Interest in Tecogen Inc. Stock

Search interest for Tecogen Inc. Stock has increased by 64% in the last 30 days, reflecting an upward trend in search activity.

Time period: to

Change:64% versus previous 30 day period

Tecogen Inc. Quarterly Profit & Loss

All numbers in Millions USD

Sep 2023
Dec 2023
Mar 2024
Jun 2024
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Total Revenue
7
5
6
4
5
6
7
7
7
5
Gross Profit
2
2
2
2
2
2
3
2
2
1
Operating Income
0
-1
-1
-1
0
-1
0
-1
-2
-3
EBITDA
0
-1
0
-1
0
-1
0
-1
-1
-2
Interest Expense
0
0
0
0
0
0
0
0
0
0
Depreciation
0
0
0
0
0
0
0
0
-
-
Income Before Tax
0
-1
-1
-1
0
-1
0
-1
-2
-3
Income Tax Expense
-
0
0
0
-
0
0
0
0
-
Net Income
0
-1
-1
-1
0
-1
0
-1
-2
-3
Net Profit Margin
-6.77%
-31.30%
-17.86%
-32.55%
-16.53%
-19.52%
-9.07%
-20.07%
-29.67%
-75.15%

Tecogen Inc. Annual Profit & Loss

All numbers in Millions USD

Dec 2016
Dec 2017
Dec 2018
Dec 2019
Dec 2020
Dec 2021
Dec 2022
Dec 2023
Dec 2024
Dec 2025
Total Revenue
24
33
35
33
28
24
25
25
22
27
Gross Profit
9
12
13
12
10
11
11
10
9
9
Operating Income
0
0
-5
-4
-5
-1
-2
-4
-4
-7
EBITDA
0
0
-4
-4
-5
4
-1
-3
-3
-6
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
0
-5
-4
-6
3
-2
-4
-4
-8
Income Tax Expense
-
-
0
0
0
0
0
0
0
0
Net Income
-1
0
-5
-4
-6
3
-2
-4
-4
-8
Net Profit Margin
-4.48%
0.14%
-15.91%
-14.09%
-21.77%
15.15%
-9.79%
-18.29%
-21.04%
-30.47%

Tecogen Inc. Quarterly Cash Flow

All numbers in Millions USD

Dec 2023
Mar 2024
Jun 2024
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Net Income
-1
-1
-1
0
-1
0
-1
-2
4
Operating Cash Flow
0
0
0
0
4
-1
-2
-3
-2
Investing Cash Flow
0
0
0
0
0
0
0
0
0
Financing Cash Flow
0
0
0
0
0
0
0
17
0
Change in Cash
0
0
0
0
4
-1
-2
13
-2

Tecogen Inc. 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
0
1
17
Change in Cash
-2
-1
0
0
2
-1
0
4
7

Insights on Tecogen Inc.

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

  • imgPOSITIVE IMPACT

    Price Rise

    img

    In the last 1 month, TGEN stock has moved up by 95.3%

  • imgNO EFFECT

    Against Peers

    img

    In the last 3 years, Vertiv Holdings Co has given 1584.2% return, outperforming this stock by 1062.1%

  • imgNO EFFECT

    Against Peers

    img

    In the last 1 year, Bloom Energy, Corp. has given 1555.9% return, outperforming this stock by 1498.5%

  • imgNEGATIVE IMPACT

    Revenue Fall

    img

    Revenue is down for the last 3 quarters, 7.29M → 5.31M (in $), with an average decrease of 13.8% per quarter

  • imgNEGATIVE IMPACT

    Profit Down

    img

    Netprofit is down for the last 4 quarters, -659.92K → -3.99M (in $), with an average decrease of 85.0% per quarter

About Tecogen Inc.

Tecogen Inc., together with its subsidiaries, designs, manufactures, markets, and maintains cogeneration products for multi-family residential, commercial, recreational, and industrial use in the United States. It operates in three segments: Products, Services, and Energy Production. The Products segment designs, manufactures, and sells industrial and commercial cogeneration systems to hospitals and nursing homes, schools and universities, health clubs and spas, hotels and motels, office and retail buildings, food and beverage processors, multi-unit residential buildings, laundries, ice rinks, swimming pools, factories, municipal buildings, indoor agriculture, military installations, and indoor growing facilities; and refrigeration compressors for cold storage, wineries, dairies, ice rinks, and food processing industries. Its Services segment provides operations and maintenance services; and parts sales, and installation services. The Energy Production segment installs, operates, and maintains distributed own generation electricity systems and sells the energy generated by such systems in the form of electricity, heat, hot water, and cooling to its customers under long-term energy sales agreements. The company also offers natural gas-powered cogeneration systems for water and space heating, and/or air conditioning. Its product portfolio includes InVerde e+ and TecoPower cogeneration units for the supply electricity and hot water; Tecochill, an air-conditioning and refrigeration chiller, and hybrid-drive air-cooled and gas engine-driven chiller to produce chilled water and hot water; Tecofrost, a gas engine-driven refrigeration compressor to circulate refrigerant and provide hot water as a byproduct; and Ultera, an emissions control technology. It sells its products through in-house marketing, as well as independent sales agents and representatives. Tecogen Inc. was incorporated in 2000 and is headquartered in North Billerica, Massachusetts.
OrganisationTecogen Inc.
HeadquartersBuilding 1, North Billerica, MA, United States, 01862
IndustryElectrical Equipment & Parts
CEODr. Abinand Rangesh Ph.D.
E-voting on sharesClick here to vote

Key Management of Tecogen Inc.

Name

Title

Mr. Stephen Lafaille

Vice President of Business Development

Tristen Howell

Office Manager

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

FAQs

What is Tecogen Inc. share price today?

Tecogen Inc. share price today is $4.8 as on at the close of the market. Tecogen Inc. share today touched a day high of $5.29 and a low of $4.71.

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

Tecogen Inc. share touched a 52 week high of $12.07 on and a 52 week low of $1.94 on . Tecogen Inc. stock price today i.e. is closed at $4.8,which is 60.23% down from its 52 week high and 147.42% up from its 52 week low.

What is Tecogen Inc.'s market capitalisation today?

Tecogen Inc. market capitalisation is $0.00T as on .

How to invest in Tecogen Inc. 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 Inc. on INDmoney app. Click on Buy button. You can invest as low as $1.5 in Tecogen Inc. Shares that will get you 0.3125 shares as per Tecogen Inc. share price of $4.8 per share as on May 8, 2026 at 1:29 am IST.

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

Indian investors can start investing in Tecogen Inc. (TGEN) shares with as little as ₹94.24 or $1 (as of ) using the INDmoney app.
For example: If you want to invest $10 or ₹942.40 in Tecogen Inc. stock (as per the Rupee-Dollar exchange rate as on ). Based on Tecogen Inc. share’s latest price of $4.8 as on May 8, 2026 at 1:29 am IST, you will get 2.0833 shares of Tecogen Inc.. Learn more about fractional shares .