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Tecogen Reports
Second Quarter 2026 Financial Results

NORTH BILLERICA, Mass., August 12, 2026 - Tecogen Inc. (NYSE American:TGEN), a leading manufacturer of clean energy products, reported revenues of $5.75 million and net loss of $2.15 million for the three months ended June 30, 2026 compared to revenues of $7.29 million, and a net loss of $1.46 million in 2025. For the six months ended June 30, 2026, revenues were $12.08 million, and the net loss was $4.27 million, compared to revenues of $14.57 million, and a net loss of $2.12 million in 2025. Our cash and cash equivalents balance was $6.78 million at June 30, 2026.
Abinand Rangesh, CEO of Tecogen, commented, “Over the last two months, we have been flat out hosting product demonstrations. Reaching this point has taken many grueling months of relationship building, but we may now have a shot at the hyperscalers and big brand data centers.

We hosted 12 product demonstrations in total, six in person, and six virtual. Cumulatively, these data centers represent greater than eight gigawatts of capacity operating today and many gigawatts of contracted development. To put this in perspective, these data centers control 15% to 20% of all US data center capacity.

Unlike previously, when our opportunity pipeline was primarily filled with smaller data centers, most of the data centers that attended the recent demos have the capital, permitted projects, and the influence to shape the whole industry.

My confidence level in our prospects has increased to the point that we are building inventory of our dual power source chiller and power generation systems in order to respond quickly as these opportunities progress.

Our non-data center backlog currently stands at approximately $8 million with $2 million or more in additional orders expected over the next few months. Therefore, we expect our Q3 product revenue to be higher than Q1 and Q2, and our service revenue is currently 10% higher compared to the same period last year.

We finished the quarter with over $6.78 million in cash and our cash position today remains over $6 million due to lower cash burn because of cost reductions and deposit collection.

Tomorrow, I will be able to shed more light on why it has taken this long and why I think our prospects are fundamentally different now.”

Key Takeaways
Net Loss and Earnings Per Share
•The net loss for the three months ended June 30, 2026 was $2.15 million compared to a net loss of $1.46 million for the same period of 2025, an increase in the net loss of $0.68 million, due to decreased gross
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profit from our Products segment and an increase in operating expenses. EPS for the quarter ended June 30, 2026 and 2025 was a loss of $(0.07)/share and $(0.06), respectively.
•The net loss for the six months ended June 30, 2026 was $4.27 million compared to a net loss of $2.12 million for the same period of 2025, an increase in the net loss of $2.15 million, due to decreased gross profit from our Products segment and an increase in operating expenses. EPS for the six months ended June 30, 2026 and 2025 was a loss of $(0.14)/share and $(0.08)/share, respectively.
Loss from Operations
•Loss from operations for the three months ended June 30, 2026 was $2.15 million compared to a loss from operations of $1.41 million for the same period in 2025, an increase of $0.74 million, due to decreased gross profit from our Products segment and an increase in operating expenses.
•Loss from operations for the six months ended June 30, 2026 was $4.29 million compared to a loss from operations of $2.01 million for the same period in 2025, an increase of $2.28 million, due to decreased gross profit from our Products segment and an increase in operating expenses.
Revenues
•Revenues for the three months ended June 30, 2026 were $5.75 million compared to $7.29 million for the same period in 2025, a 21.2% decrease.
◦Products revenues in the quarter ended June 30, 2026 were $1.13 million compared to $3.16 million for the same period in 2025, a decrease of 64.0%. The decrease in revenue during the quarter ended June 30, 2026 is due to decreased chiller and cogeneration revenue.
◦Services revenues in the three months ended June 30, 2026 were $4.38 million, compared to $3.97 million for the same period in 2025, an increase of 10.3% due to increased revenues from the acquired Aegis maintenance contracts and increased revenues from existing service contracts.
◦Energy Production revenues in the three months ended June 30, 2026 were $0.24 million compared to $0.17 million for the same period in 2025, an increase of 35.4%. The increase in Energy Production revenue is due to improved site operations in the three months ended June 30, 2026.

•Revenues for the six months ended June 30, 2026 were $12.08 million compared to $14.57 million for the same period in 2025, a 17.1% decrease.
◦Products revenues in the six months ended June 30, 2026 were $2.31 million compared to $5.69 million for the same period in 2025, a decrease of 59.4%. The decrease in revenue during the six months ended June 30, 2026 is due to decreased chiller and cogeneration revenue.
◦Services revenues in the six months ended June 30, 2026 were $9.01 million, compared to $8.21 million for the same period in 2025, an increase of 9.8% due to increased revenues from existing contracts and increased revenues from the acquired Aegis maintenance contracts.
◦Energy Production revenues in the six months ended June 30, 2026 were $0.76 million compared to $0.67 million for the same period in 2025, an increase of 12.9%. The increase in Energy Production revenue is due to improved site operations in the six months ended June 30, 2026.

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Gross Profit
•Gross profit for the three months ended June 30, 2026 was $2.17 million compared to $2.46 million in the same period in 2025. Gross margin increased to 37.8% in the three months ended June 30, 2026 compared to 33.8% for the same period in 2025. The increase is due to higher Products segment margin in the three months ended June 30, 2026.

•Gross profit for the six months ended June 30, 2026 was $4.76 million compared to $5.68 million in the same period in 2025. Gross margin increased to 39.4% in the six months ended June 30, 2026 compared to 39.0% for the same period in 2025. The increase in gross margin was due to higher Products segment margin in the six months ended June 30, 2026.

Operating Expenses

•Operating expenses increased $0.45 million, or 11.6%, to $4.32 million in the three months ended June 30, 2026 compared to $3.87 million in the same period in 2025, due to increased payroll, benefits, depreciation and amortization, stock-based compensation and business insurance.
•Operating expenses increased $1.36 million, or 17.7%, to $9.05 million in the six months ended June 30, 2026 compared to $7.69 million in the same period in 2025, due to increased payroll, benefits, depreciation and amortization, stock-based compensation and business insurance.

Adjusted EBITDA
Adjusted EBITDA was negative $1.68 million for the three months ended June 30, 2026 compared to negative $1.16 million for the three months ended June 30, 2025. For the six months ended June 30, 2026, adjusted EBITDA was a negative $3.36 million compared to a negative $1.54 million for the six months ended June 30, 2025. (Adjusted EBITDA is defined as net income or loss attributable to Tecogen, adjusted for interest, income taxes, depreciation and amortization, stock-based compensation expense, unrealized gain or loss on investment securities, goodwill impairment charges and other non-cash non-recurring charges or gains including abandonment of intangible assets and asset impairment. See the table following the Condensed Consolidated Statements of Operations for a reconciliation from net income (loss) to Adjusted EBITDA, as well as important disclosures about the Company's use of Adjusted EBITDA).
Conference Call Scheduled for August 13, 2026, at 9:30 am ET
Tecogen will host a conference call on August 13, 2026 to discuss the second quarter results beginning at 9:30 am eastern time. To listen to the call please dial (877) 407-7186 within the U.S. and Canada, or +1 (201) 689-8052 from other international locations. Participants should ask to be joined to the Tecogen Second Quarter conference call. Please begin dialing 10 minutes before the scheduled starting time. The earnings press release will be available on the Company website at www.Tecogen.com in the "News and Events" section under "About Us." The earnings conference call will be webcast live. To view the associated slides, register for and listen to the webcast, go to https://ir.tecogen.com/ir-calendar. Following the call, the recording will be archived for 14 days.
The earnings conference call will be recorded and available for playback one hour after the end of the call. To listen to the playback, dial (877) 660-6853 within the U.S. and Canada, or (201) 612-7415 from other international locations and use Conference Call ID#: 13752231.
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About Tecogen
Tecogen Inc. designs, manufactures, sells, installs, and maintains high efficiency, ultra-clean, cogeneration products including engine-driven combined heat and power, air conditioning systems, and high-efficiency water heaters for residential, commercial, recreational and industrial use. The company provides cost effective, environmentally friendly and reliable products for energy production that nearly eliminate criteria pollutants and significantly reduce a customer’s carbon footprint. In business for over 35 years, Tecogen has shipped more than 3,200 units, supported by an established network of engineering, sales, and service personnel in key markets in North America. For more information, please visit www.tecogen.com or contact us for a free Site Assessment.
Forward Looking Statements
This press release contains “forward-looking statements” which may describe strategies, goals, outlooks or other non-historical matters, or projected revenues, income, returns or other financial measures, that may include words such as "believe," "expect," "anticipate," "intend," "plan,"  "estimate," "project," "target," "potential," "will," "should," "could," "likely," or "may" and similar expressions intended to identify forward-looking statements. These statements are only predictions and involve known and unknown risks, uncertainties, and other factors that may cause our actual results to differ materially from those expressed or implied by such forward-looking statements. Given these uncertainties, you should not place undue reliance on these forward-looking statements. Forward-looking statements speak only as of the date on which they are made, and we undertake no obligation to update or revise any forward-looking statements except as required under the securities laws.
In addition to those factors described in our Annual Report on Form 10-K, our Quarterly Reports on Form 10-Q and in our Current reports on Form 8-K, under “Risk Factors,” and elsewhere therein, among the factors that could cause actual results to differ materially from past and projected future results are the following: fluctuations in demand for our products and services, competing technological developments, issues relating to research and development, the availability of incentives, rebates, and tax benefits relating to our products and services, changes in the regulatory environment relating to our products and services, integration of acquired business operations, the impact of tariffs, and the ability to obtain financing on favorable terms to fund existing operations and anticipated growth.
In addition to GAAP financial measures, this press release includes certain non-GAAP financial measures, including adjusted EBITDA which excludes certain expenses as described in the presentation. We use Adjusted EBITDA as an internal measure of business operating performance and believe that the presentation of non-GAAP financial measures provides a meaningful perspective of the underlying operating performance of our current business and enables investors to better understand and evaluate our historical and prospective operating performance by eliminating items that vary from period to period without correlation to our core operating performance and highlights trends in our business that may not otherwise be apparent when relying solely on GAAP financial measures.
Tecogen Media & Investor Relations Contact Information:
Abinand Rangesh
P: 781-466-6487
E: Abinand.Rangesh@tecogen.com

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TECOGEN INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(unaudited)
June 30, 2026December 31, 2025
ASSETS
Current assets:
Cash and cash equivalents$6,782,573 $12,430,287 
Accounts receivable, net of allowances for expected credit losses of $445,683 and $389,079, respectively
4,199,469 4,280,991 
Unbilled revenue138,020 138,020 
Inventories, net12,027,655 10,949,697 
Prepaid and other current assets874,627 1,086,310 
Total current assets24,022,344 28,885,305 
Long-term assets:
Property, plant and equipment, net1,530,309 1,609,321 
Right-of-use assets - operating leases1,241,494 1,490,094 
Right-of-use assets - finance leases, net1,514,653 1,434,080 
Intangible assets, net1,968,132 2,146,503 
Goodwill1,248,442 1,248,442 
Other assets79,065 176,358 
TOTAL ASSETS$31,604,439 $36,990,103 
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable$3,069,563 $3,381,545 
Accrued expenses2,686,971 2,814,150 
Deferred revenue, current portion967,604 1,530,977 
Operating lease obligations, current portion478,847 538,641 
Finance lease obligations, current portion332,087 280,265 
Acquisition liabilities, current portion633,382 677,162 
Unfavorable contract liability, current portion41,043 44,433 
Total current liabilities8,209,497 9,267,173 
Long-term liabilities:
Deferred revenue, net of current portion3,208,904 3,265,886 
Operating lease obligations, net of current portion816,410 1,004,488 
Finance lease obligations, net of current portion989,519 992,285 
Acquisition liabilities, net of current portion687,345 826,757 
Unfavorable contract liability, net of current portion140,381 160,902 
Total liabilities14,052,056 15,517,491 
Commitments and contingencies
Stockholders’ equity:
Tecogen Inc. stockholders’ equity:
Common stock, $0.001 par value; 100,000,000 shares authorized; 30,179,072 issued and outstanding at June 30, 2026 and 29,846,479 shares issued and outstanding at December 31, 2025
30,180 29,847 
Additional paid-in capital79,804,451 78,216,467 
Unearned compensation(1,958,492)(712,019)
Accumulated deficit(60,157,825)(55,888,649)
Total Tecogen Inc. stockholders’ equity17,718,314 21,645,646 
Noncontrolling interest(165,931)(173,034)
Total stockholders’ equity17,552,383 21,472,612 
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY$31,604,439 $36,990,103 
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TECOGEN INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(unaudited)
Three Months Ended
June 30, 2026June 30, 2025
Revenues
Products$1,134,772 $3,155,323 
Services4,375,253 3,965,168 
Energy production236,111 174,329 
Total revenues5,746,136 7,294,820 
Cost of sales
Products584,755 2,232,155 
Services2,772,569 2,469,737 
Energy production214,910 130,436 
Total cost of sales3,572,234 4,832,328 
Gross profit2,173,902 2,462,492 
Operating expenses:
General and administrative3,510,850 3,091,175 
Selling490,040 514,735 
Research and development320,224 268,724 
(Gain) loss on disposition of assets2,950 (280)
Total operating expenses4,324,064 3,874,354 
Loss from operations(2,150,162)(1,411,862)
Other income (expense)
Other income (expense), net46,349 (6,378)
Interest expense(39,244)(38,153)
Total other income (expense), net7,105 (44,531)
Loss before provision for state income taxes(2,143,057)(1,456,393)
Provision for state income taxes361 16,762 
Consolidated net loss(2,143,418)(1,473,155)
(Income) loss attributable to the noncontrolling interest(5,185)9,050 
Loss attributable to Tecogen Inc.$(2,148,603)$(1,464,105)
Net loss per share - basic$(0.07)$(0.06)
Weighted average shares outstanding - basic30,000,820 25,250,217 
Net loss per share - diluted$(0.07)$(0.06)
Weighted average shares outstanding - diluted30,000,820 25,250,217 

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Three Months Ended
June 30, 2026June 30, 2025
Non-GAAP financial disclosure (1)
Net loss attributable to Tecogen Inc.$(2,148,603)$(1,464,105)
Interest expense, net39,244 38,153 
Income taxes361 16,762 
Depreciation & amortization, net278,611 205,686 
EBITDA(1,830,387)(1,203,504)
Stock based compensation145,715 42,606 
Adjusted EBITDA $(1,684,672)$(1,160,898)




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TECOGEN INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(unaudited)
Six Months Ended
June 30, 2026June 30, 2025
Revenues
Products$2,310,072 $5,689,132 
Services9,011,647 8,210,190 
Energy production760,186 673,268 
Total revenues12,081,905 14,572,590 
Cost of sales
Products1,232,103 3,719,905 
Services5,472,738 4,728,635 
Energy production613,500 440,518 
Total cost of sales7,318,341 8,889,058 
Gross profit4,763,564 5,683,532 
Operating expenses:
General and administrative7,229,320 6,019,310 
Selling1,130,973 1,109,216 
Research and development684,047 561,392 
(Gain) loss on disposition of assets5,294 (280)
Total operating expenses9,049,634 7,689,638 
Loss from operations(4,286,070)(2,006,106)
Other income (expense)
Other income (expense), net108,747 (20,623)
Interest expense(73,489)(70,479)
Unrealized loss on investment securities— (18,749)
Total other income (expense), net35,258 (109,851)
Loss before provision for state income taxes(4,250,812)(2,115,957)
Provision for state income taxes11,261 17,687 
Consolidated net loss(4,262,073)(2,133,644)
(Income) loss attributable to noncontrolling interest(7,103)9,617 
Net loss attributable to Tecogen Inc.$(4,269,176)$(2,124,027)
Net loss per share - basic$(0.14)$(0.08)
Weighted average shares outstanding - basic29,930,388 25,108,388 
Net loss per share - diluted$(0.14)$(0.08)
Weighted average shares outstanding - diluted29,930,388 25,103,388 

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Six Months Ended
June 30, 2026June 30, 2025
Non-GAAP financial disclosure (1)
Net loss attributable to Tecogen Inc.$(4,269,176)$(2,124,027)
Interest & other expense, net73,489 70,479 
Income taxes11,261 17,687 
Depreciation & amortization, net543,849 391,381 
EBITDA(3,640,577)(1,644,480)
Stock based compensation277,381 83,439 
Adjusted EBITDA $(3,363,196)$(1,542,292)



(1) Non-GAAP Financial Measures
In addition to reporting net income, a U.S. generally accepted accounting principle (“GAAP”) measure, this news release contains information about Adjusted EBITDA (net income (loss) attributable to Tecogen Inc adjusted for interest, income taxes, depreciation and amortization, stock-based compensation expense, unrealized gain or loss on investment securities, goodwill impairment charges and other non-cash non-recurring charges including abandonment of certain intangible assets), which is a non-GAAP measure.  The Company believes Adjusted EBITDA allows investors to view its performance in a manner similar to the methods used by management and provides additional insight into its operating results.  Adjusted EBITDA is not calculated through the application of GAAP.  Accordingly, it should not be considered as a substitute for the GAAP measure of net income and, therefore, should not be used in isolation of, but in conjunction with, the GAAP measure.  The use of any non-GAAP measure may produce results that vary from the GAAP measure and may not be comparable to a similarly defined non-GAAP measure used by other companies.
















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TECOGEN INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(unaudited)
Six Months Ended
June 30, 2026June 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net loss$(4,262,073)$(2,133,644)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization543,849 391,381 
Provision for (recovery of) credit losses56,604 (75,000)
Stock-based compensation277,381 83,439 
Unrealized loss on investment securities— 18,749 
Loss (gain) on disposition of assets5,294 (280)
Non-cash interest expense— 33,538 
Changes in operating assets and liabilities
(Increase) decrease in:
Accounts receivable24,920 (538,938)
Inventory(1,077,960)(45,224)
Unbilled revenue— 272,160 
Prepaid assets and other current assets115,219 (268,691)
Other assets345,894 186,766 
Increase (decrease) in:
Accounts payable(311,983)803,540 
Accrued expenses and other current liabilities(127,178)85,325 
Deferred revenue(620,355)(2,193,607)
Other liabilities(431,178)(395,134)
Net cash provided by (used in) operating activities(5,461,566)(3,775,620)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment(119,387)(277,989)
Proceeds from disposition of assets4,709280 
Proceeds from the liquidation of investment in Aivita Group96,464 — 
Distributions to noncontrolling interest— (42,956)
Net cash used in investing activities(18,214)(320,665)
CASH FLOWS FROM FINANCING ACTIVITIES:
Finance lease principal payments(232,397)(63,010)
Proceeds from exercise of stock options64,463 394,926 
Net cash provided (used in) by financing activities(167,934)331,916 
Net increase (decrease) in cash and cash equivalents(5,647,714)(3,764,369)
Cash and cash equivalents, beginning of the period12,430,2875,405,233 
Cash and cash equivalents, end of the period$6,782,573 $1,640,864 
Supplemental disclosure of cash flow information:
Cash paid for interest$61,918 $36,526 
Cash paid for taxes$11,261 $17,687 
Non-cash investing activities
Right-of-use assets acquired under operating leases$— $193,480 
Right-of-use assets acquired under finance leases$281,567 $557,893 
Contingent consideration$— $— 
Non-cash financing activities
Related party note conversion to common stock$— $514,148 
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