Tecogen Inc share price logo

Tecogen Inc Share Price

NYSE: TGEN

Large Cap

$4.09

-0.16

(-3.65%)

Live

as on

Tecogen Inc Stock Performance

as on January 28, 2026 at 9:39 pm IST

  • Day's Low

    Day's High

    $4.02
    $4.31
    downward going graph

    1.71%

    Downside

    5.38%

    Upside

    downward going graph

  • 52 Week's Low

    52 Week's High

    $1.55
    $12.07
    downward going graph

    62.10%

    Downside

    195.11%

    Upside

    downward going graph

Tecogen Inc share price movements today

Previous Close
$4.25
Open
$4.26
Volume
229.9K
Day's Low - High
$4.02 - $4.31
52 Week Low - High
$1.55 - $12.07

Tecogen Inc Historical Returns

1 Month Return
-17.95 %
3 Month Return
-48.61 %
1 Year Return
+ 77.82 %
3 Year Return
+ 245.53 %
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

$206.1M

EPS (TTM)

-0.17

Dividend Yield

0.00%

PE Ratio (TTM)

0

PEG Ratio

0

Return On Equity TTM

-40.02%

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 %
Tecogen Inc image
Tecogen Inc
NA$206.1MNANA-16.14%
Vertiv Holdings Co image
Vertiv Holdings Co
BUY$69.3B845.1%68.3910.67%
Bloom Energy, Corp. image
Bloom Energy, Corp.
BUY$33.0B319.24%1745.250.84%
Hubbell Inc. image
Hubbell Inc.
BUY$25.9B202.89%30.4815.12%

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 Return is the profit earned when the US dollar rises in value compared to the Indian rupee.

Investment Value

₹1,00,000

  • 1Y

  • 3Y

  • 7Y

  • 10Y

Tecogen Inc investment value today

Current value as on today

₹1,77,104

Returns

₹77,104

(+77.1%)

Returns from Tecogen Inc Stock

₹71,130 (+71.13%)

Dollar Returns*

₹5,974 (+5.97%)

Tecogen Inc Stock’s Investor Sentiment and Interest

Investment in Tecogen Inc Shares on INDmoney has dropped by -51.92% over the past 30 days, indicating reduced transactional activity.

Time period: to

Change:-51.92% versus previous 30 day period

Search interest for Tecogen Inc Stock has increased by 12% in the last 30 days, reflecting an upward trend in search activity.

Time period: to

Change:12% versus previous 30 day period

Tecogen Inc Quarterly Profit & Loss

All numbers in Millions USD

Jun 2023
Sep 2023
Dec 2023
Mar 2024
Jun 2024
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Total Revenue
6
7
5
6
4
5
6
7
7
7
Gross Profit
2
2
2
2
2
2
2
3
2
2
Operating Income
0
0
-1
-1
-1
0
-1
0
-1
-2
EBITDA
0
0
-1
0
-1
0
-1
0
-1
-1
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
0
0
-1
-1
-1
0
-1
0
-1
-2
Income Tax Expense
0
-
0
0
0
-
0
0
0
0
Net Income
0
0
-1
-1
-1
0
-1
0
-1
-2
Net Profit Margin
-11.56%
-6.77%
-31.30%
-17.86%
-32.55%
-16.53%
-19.52%
-9.07%
-20.07%
-29.67%

Tecogen Inc Annual Profit & Loss

All numbers in Millions USD

Dec 2015
Dec 2016
Dec 2017
Dec 2018
Dec 2019
Dec 2020
Dec 2021
Dec 2022
Dec 2023
Dec 2024
Total Revenue
21
24
33
35
33
28
24
25
25
22
Gross Profit
7
9
12
13
12
10
11
11
10
9
Operating Income
-2
0
0
-5
-4
-5
-1
-2
-4
-4
EBITDA
-2
0
0
-4
-4
-5
4
-1
-3
-3
Interest Expense
0
0
0
0
0
0
0
0
0
0
Depreciation
-
-
0
0
0
0
0
0
0
0
Income Before Tax
-2
-1
0
-5
-4
-6
3
-2
-4
-4
Income Tax Expense
-
-
-
0
0
0
0
0
0
0
Net Income
-2
-1
0
-5
-4
-6
3
-2
-4
-4
Net Profit Margin
-12.72%
-4.48%
0.14%
-15.91%
-14.09%
-21.77%
15.15%
-9.79%
-18.29%
-21.04%

Tecogen Inc Quarterly Cash Flow

All numbers in Millions USD

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

Tecogen Inc Annual Cash Flow

All numbers in Millions USD

Dec 2016
Dec 2017
Dec 2018
Dec 2019
Dec 2020
Dec 2021
Dec 2022
Dec 2023
Dec 2024
Net Income
-1
0
-5
-4
-6
3
-2
-4
-4
Operating Cash Flow
-2
0
-3
-4
1
0
-1
0
4
Investing Cash Flow
-2
1
1
4
0
0
0
0
-1
Financing Cash Flow
3
-2
1
0
0
1
0
0
1
Change in Cash
-1
-2
-1
0
0
2
-1
0
4

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.

  • imgNO EFFECT

    Against Peers

    img

    In the last 1 year, Bloom Energy, Corp. has given 646.6% return, outperforming this stock by 568.8%

  • imgNO EFFECT

    Against Peers

    img

    In the last 3 years, Vertiv Holdings Co has given 509.2% return, outperforming this stock by 263.7%

  • imgNEGATIVE IMPACT

    Profit Down

    img

    Netprofit is down for the last 3 quarters, -659.92K → -2.13M (in $), with an average decrease of 83.7% per quarter

  • imgNEGATIVE IMPACT

    Price Dip

    img

    In the last 7 days, TGEN stock has moved down by -7.6%

  • imgNEGATIVE IMPACT

    Revenue Fall

    img

    Revenue is down for the last 2 quarters, 7.29M → 7.18M (in $), with an average decrease of 1.5% per quarter

About Tecogen Inc

Tecogen Inc. designs, manufactures, markets, and maintains ultra-clean cogeneration products. The Company includes natural gas engine-driven combined heat and power (CHP) systems, chillers, and heat pumps for multi-family residential, commercial, recreational, and industrial use. The Company’s segments include Products, Services, and Energy Production. The Products segment designs, manufactures and sells industrial and commercial cogeneration systems. The Services segment provides operations and maintenance services for our products under long-term service contracts. The Energy Production segment, which installs, operates, and maintains distributed generation electricity systems that it owns and sells energy generated by such systems in the form of electricity, heat, hot water, and cooling to its customers under long-term energy sales agreements.
OrganisationTecogen Inc
HeadquartersBuilding 1, North Billerica, MA, United States, 01862
CEODr. Abinand Rangesh Ph.D.
E-voting on sharesClick here to vote

Key Management of Tecogen Inc

Name

Title

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

Dr. Abinand Rangesh Ph.D.

CEO & Director

FAQs

What is Tecogen Inc share price today?

Tecogen Inc share price today is $4.09 as on . Tecogen Inc share today touched a day high of $4.31 and a low of $4.02.

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 $1.55 on . Tecogen Inc stock price today i.e. is trending at $4.09,which is 66.11% down from its 52 week high and 163.87% 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 0.3667 shares as per Tecogen Inc share price of $4.09 per share as on January 28, 2026 at 9:39 pm 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 ₹91.762 or $1 (as of ) using the INDmoney app.
For example: If you want to invest $10 or ₹917.62 in Tecogen Inc stock (as per the Rupee-Dollar exchange rate as on ). Based on Tecogen Inc share’s latest price of $4.09 as on January 28, 2026 at 9:39 pm IST, you will get 2.4450 shares of Tecogen Inc. Learn more about fractional shares .