Tecogen Inc.

Company Overview

Business Model: Tecogen Inc. designs, manufactures, markets, and maintains high-efficiency, ultra-clean cogeneration products, including natural gas engine-driven combined heat and power (CHP) systems, chillers, air conditioning systems, and water heaters. These products serve multi-family residential, commercial, recreational, and industrial sectors, offering energy savings, resiliency from utility outages, and significant reductions in criteria pollutants (NOx and CO) and carbon footprint. The business operates through three segments: Products (design, manufacture, and sale of cogeneration systems), Services (operations and maintenance for products under long-term contracts), and Energy Production (installation, ownership, and operation of distributed generation systems, selling energy to customers under long-term agreements).

Market Position: Tecogen Inc. primarily targets customers in regions with high utility rates, such as California, the Midwest, and the Northeast, having shipped over 3,200 units, some operating for nearly 35 years. The company holds a competitive advantage through its patented Ultera low-emissions technology, which enables its engine-driven products to meet California's stringent air quality standards for CO and NOx, comparable to fuel cells but at a lower cost. The InVerde e+ product features UL-certified grid connection and sophisticated off-grid and microgrid capabilities, supported by exclusive license rights to Microgrid algorithms for engine-driven systems under 500kW output until July 26, 2027. Tecochill chillers are noted as the only gas-engine-driven chillers on the market, offering efficiency advantages over absorption systems. The company views the distributed generation market for users up to 1 MW as largely unpenetrated and sees significant growth opportunities in power-constrained sectors like data centers and industrial facilities, further bolstered by federal tax credits for CHP equipment under the Inflation Reduction Act of 2022.

Recent Strategic Developments:

• Vertiv Sales and Marketing Agreement: On February 28, 2025, Tecogen Inc. entered a two-year agreement with Vertiv Corporation to market and sell Tecogen DTx chillers for data center cooling applications. This agreement grants Vertiv exclusive marketing and sales rights for DTx chillers outside the United States and non-exclusive rights within the United States, with potential for U.S. exclusivity based on sales levels.
• Aegis Energy Services Maintenance Agreements Acquisition: Tecogen Inc. expanded its Services segment through the acquisition of maintenance agreements from Aegis Energy Services, LLC. The initial acquisition closed on April 1, 2023, involving approximately 200 cogeneration systems, vehicles, inventory, and the hiring of eight employees. Subsequent amendments on February 1, 2024, and May 1, 2024, added 18 and 31 additional maintenance contracts, respectively, with Aegis Energy Services, LLC also agreeing to assist in securing further agreements.
• Facilities Relocation: In April 2024, Tecogen Inc. relocated its manufacturing operations and corporate offices to a new 26,412 square foot facility in North Billerica, Massachusetts. This relocation temporarily constrained manufacturing capacity, impacting product revenues during the second and third quarters of 2024, with manufacturing operations resuming in the latter half of the third quarter.
• Tecochill Hybrid-Drive Air-Cooled Chiller Development: Development began in the third quarter of 2021, leading to the introduction of the Tecochill Hybrid-Drive Air-Cooled Chiller in February 2023. This system, based on the InVerde e+ inverter design, can simultaneously utilize grid/renewable energy and natural gas, offering optimized operational cost savings and greenhouse gas benefits. A patent (11,936,327) was granted in March 2024, and the first order for three units was received in February 2024, with initial delivery anticipated in the first half of fiscal 2025.
• Controlled Environment Agriculture (CEA) Focus: In July 2022, Tecogen Inc. announced a strategic focus on applying its cogeneration equipment to low-carbon CEA, leveraging its experience in energy-intensive indoor agriculture, including cannabis cultivation facilities, to address food and energy security.
• Related Party Notes: Tecogen Inc. secured financing through note subscription agreements with directors John N. Hatsopoulos and Earl R. Lewis, III. As of December 31, 2024, $1,500,000 had been borrowed ($1,000,000 from Mr. Hatsopoulos and $500,000 from Mr. Lewis, III), with interest rates ranging from 4.57% to 5.12%. In early 2025, the maturity dates for Mr. Hatsopoulos's notes were extended to July 31, 2026, and both directors were granted the option to convert their note balances into shares of common stock.

Geographic Footprint: Tecogen Inc.'s primary operational and customer base is concentrated in high-utility-rate regions of the United States, including California, the Midwest, and the Northeast. Its service network extends across these U.S. regions and includes a service center in Toronto, Canada. The company has no operations or customers in Russia, Ukraine, or the Middle East.

Financial Performance

Revenue Analysis

Profitability Metrics:

• Gross Margin: 43.6% (2024) vs. 40.6% (2023)
• Operating Margin: -20.0% (2024) vs. -17.6% (2023)
• Net Margin: -21.0% (2024) vs. -18.3% (2023)

Investment in Growth:

• R&D Expenditure: $961,837 (4.3% of revenue) in 2024, an increase from $840,011 (3.3% of revenue) in 2023.
• Capital Expenditures: $969,163 in 2024, primarily for initial improvements to the North Billerica, Massachusetts leased premises, compared to $46,851 in 2023.
• Strategic Investments: The acquisition of Aegis Energy Services, LLC maintenance agreements involved $170,000 in cash and $300,000 in accounts receivable credit in 2023, with additional contracts acquired in 2024. The company is also investing in the development of its Tecochill Hybrid-Drive Air-Cooled Chiller and marketing efforts for the data center market.

Business Segment Analysis

Products Segment

Financial Performance:

• Revenue: $4,443,996 (-49.8% YoY) in 2024.
• Operating Margin: Not explicitly stated, but gross margin was 32.2% in 2024, a decrease from 33.1% in 2023.
• Key Growth Drivers: The significant decrease in product revenue in 2024 was primarily due to a $3,656,604 decrease in chiller sales, a $675,609 decrease in engineered accessories sales, and an $83,737 decrease in cogeneration sales, all attributed to decreased unit volume. The relocation of manufacturing operations in April 2024 also constrained capacity, impacting revenues during the second and third quarters. The decrease in higher-margin engineered accessories sales contributed to the slight decline in gross margin.

Product Portfolio:

• Major product lines include InVerde e+ and TecoPower cogeneration units (electricity and hot water), Tecochill air-conditioning and refrigeration chillers (chilled water and hot water), Tecochill Hybrid-Drive Air-Cooled Chiller (dual-input power sources), Tecofrost gas engine-driven refrigeration compressors (refrigerant circulation and hot water), and Ultera emissions control technology (available as an option or retrofit).
• The Tecochill Hybrid-Drive Air-Cooled Chiller, introduced in February 2023, received its first order in February 2024, with initial deliveries expected in the first half of fiscal 2025.

Market Dynamics:

• Typical customers include hospitals, schools, health clubs, hotels, office buildings, food processors, multi-unit residential buildings, ice rinks, and indoor agriculture facilities.
• Demand is influenced by natural gas prices, local electricity rates, environmental regulations, and governmental energy policies.
• The company is targeting new growth opportunities in power-constrained data centers and industrial facilities, where its chiller products can reduce electrical capacity needs by 30% or more.
• Anti-fossil fuel sentiment in certain markets, such as New York City, has impacted sales, but Tecogen Inc. believes its hybrid chiller, which can select the cleanest fuel source, will be advantageous in decarbonization efforts.

Sub-segment Breakdown (2024 vs. 2023):

• Cogeneration: $2,677,930 revenue (-3.0% YoY).
• Chillers: $1,647,374 revenue (-68.9% YoY).
• Engineered Accessories: $118,692 revenue (-85.1% YoY).

Services Segment

Financial Performance:

• Revenue: $16,074,870 (+10.7% YoY) in 2024.
• Operating Margin: Not explicitly stated, but gross margin was 47.5% in 2024, an increase from 45.5% in 2023.
• Key Growth Drivers: The increase in service revenue was driven by $786,160 from the acquired Aegis Energy Services, LLC maintenance contracts and a $765,656 increase from existing service contracts. Gross margin improvement was attributed to decreased labor and material costs for engine replacements at certain sites and a decrease in the provision for obsolete inventory. The company has also implemented service price increases and engineering improvements to extend service intervals.

Product Portfolio:

• Provides operations and maintenance (O&M) services primarily for Tecogen Inc.'s CHP products.
• As of December 31, 2024, the Services segment maintained approximately 215 chillers and 1,046 cogeneration units under maintenance service agreements.

Market Dynamics:

• Services are delivered through a network of eleven factory service centers across the U.S. and in Toronto, Canada.
• Most service revenue is generated from annual, all-inclusive "bumper-to-bumper" service contracts, with fees based on equipment operating hours.
• The CHPInsight cloud-based remote monitoring system, developed in-house, provides real-time data collection, analysis, and management, enabling remote diagnostics and ensuring optimal equipment performance.

Energy Production Segment

Financial Performance:

• Revenue: $2,100,670 (+19.6% YoY) in 2024.
• Operating Margin: Not explicitly stated, but gross margin was 38.0% in 2024, an increase from 37.1% in 2023.
• Key Growth Drivers: The increase in revenue was primarily due to increased run hours at certain energy production sites. Higher fuel costs impacted gross margin. This segment represented 9.3% of consolidated revenues in both 2024 and 2023.

Product Portfolio:

• Conducted by American DG Energy Inc. (wholly-owned subsidiary) and American DG New York, LLC (51% owned joint venture).
• Installs, owns, and operates distributed generation electricity systems, selling energy (electricity, heat, hot water, and cooling) to customers under long-term sales agreements (typically 10 to 15 years).
• As of December 31, 2024, the segment owned 25 operational energy systems, with an aggregate electrical capacity of approximately 1,195 kilowatts from cogeneration units and 850 cooling tons from chillers.

Market Dynamics:

• The primary market opportunity is in U.S. regions with commercial electricity rates between $0.14 and $0.28 per kWh, including the Northeast, Mid-Atlantic, Florida, California, and parts of Canada.
• The economic viability of these systems depends on the price differential between natural gas and electricity. Geopolitical tensions, such as the war in Ukraine and the conflict in the Middle East, may influence natural gas and electricity prices, affecting segment performance.

Capital Allocation Strategy

Shareholder Returns:

• Dividend Payments: Tecogen Inc. has not declared or paid cash dividends on its common stock and intends to retain future earnings to fund business operations and expansion.

Balance Sheet Position:

• Cash and Equivalents: $5,405,233 as of December 31, 2024, a significant increase from $1,351,270 at December 31, 2023.
• Total Debt: Related party notes payable totaled $1,548,872 as of December 31, 2024, up from $505,505 at December 31, 2023.
• Net Cash Position: $3,856,361 as of December 31, 2024.
• Debt Maturity Profile: Related party notes from John N. Hatsopoulos (totaling $1,000,000 principal) have maturity dates extended to July 31, 2026, with interest rates of 5.12% and 5.06%. The note from Earl R. Lewis, III ($500,000 principal) has a one-year maturity from September 18, 2024, with a 4.57% interest rate. Both notes include options for conversion into common stock at the discretion of the noteholders.

Cash Flow Generation:

• Operating Cash Flow: Generated $4,060,547 in cash from operations in 2024, a substantial improvement from $817,810 cash used in operations in 2023.
• Free Cash Flow: Not explicitly stated, but the significant increase in operating cash flow indicates improved cash generation.
• Cash Conversion Metrics: The company saw a decrease in accounts receivable by $608,929, a decrease in unbilled revenues by $859,634, and a decrease in inventory by $848,884 in 2024. Deferred revenues increased by $5,850,265, primarily due to advance customer deposits for products scheduled to ship in 2025.

Operational Excellence

Production & Service Model: Tecogen Inc. designs, manufactures, markets, and maintains high-efficiency, ultra-clean cogeneration products. Its products are built to order with customized configurations, typically requiring 12-14 weeks for chillers and 6-8 weeks for cogeneration systems or heat pumps from the time of purchase order. The company focuses on strengthening manufacturing processes and increasing operational efficiencies. Products are designed as compact modular units, allowing for multiple installations in constrained urban settings and providing redundancy to mitigate service outages. The service model relies on specialized technical staff operating from factory service centers, providing maintenance through long-term service contracts, often with "bumper-to-bumper" coverage and fees based on operating hours. A cloud-based remote monitoring system, CHPInsight, enables real-time data collection, diagnostics, and performance optimization for the installed fleet.

Supply Chain Architecture: Key Suppliers & Partners:

• Engines, Generators, Compressors, and Vessel Sets: Sourced from large multinational equipment manufacturers.
• Components: Many components are readily fabricated from commonly available raw materials or are standard parts sourced from multiple suppliers.
• Microgrid Algorithms: Tecogen Inc. holds exclusive license rights to Microgrid software algorithms developed by University of Wisconsin researchers (assigned to The Wisconsin Alumni Research Foundation (WARF)) for engine-driven systems with per-unit output less than 500 kW, expiring July 26, 2027. Annual royalty payments to WARF range from $5,000 to $15,000.
• Vertiv Corporation: A Sales and Marketing Agreement was established in February 2025 for Tecogen DTx chillers for data center cooling, with Vertiv Corporation agreeing to assist in securing favorable terms for engineering components and supplies.

Facility Network:

• Manufacturing & Headquarters: The company's headquarters and manufacturing operations are located at 76 Treble Cove Road, Building 1, North Billerica, Massachusetts. This facility, relocated in April 2024, comprises approximately 26,412 square feet of manufacturing, storage, and office space, with about 21,000 square feet dedicated to manufacturing and warehousing. The lease commenced on January 1, 2024, for an initial term of five years, with two successive five-year renewal options.
• Service Centers: Tecogen Inc. operates eleven leased service centers across California, Connecticut, Florida, Massachusetts, Michigan, New Jersey, New York, and Toronto, Canada. These include larger centers with office and warehouse space (e.g., Piscataway, New Jersey; Valley Stream and Buchanan, New York; Hayward, California) and smaller parts depots/warehouses.
• Research & Development: R&D efforts are conducted in-house and through collaborations with various entities, including Sacramento Municipal Utility District, Southern California Gas Company, San Diego Gas & Electric Company, Lawrence Berkeley National Laboratory, Eastern Municipal Water District, Consortium for Electric Reliability Technology Solutions, California Energy Commission, and AVL California Technology Center.

Operational Metrics:

• Backlog: As of December 31, 2024, the total product and installation backlog was $12,336,248, an increase from $7,388,145 at December 31, 2023. This includes a multi-year $2,000,000 prepaid service maintenance contract.
• Service Fleet: The Services segment provided maintenance for approximately 215 chillers and 1,046 cogeneration units as of December 31, 2024.

Market Access & Customer Relationships

Go-to-Market Strategy: Distribution Channels:

• Direct Sales: Tecogen Inc. employs an in-house sales team for direct sales of its combined heat and power products to end-users.
• Channel Partners: Chiller products are typically sold through a network of established independent sales agents and representatives, who are compensated on a commission basis for designated territories and product lines.

Customer Portfolio: Enterprise Customers:

• Tecogen Inc.'s customer base spans diverse sectors, including hospitals, nursing homes, schools, universities, health clubs, spas, hotels, office and retail buildings, food and beverage processors, multi-unit residential buildings, laundries, ice rinks, swimming pools, factories, municipal buildings, indoor agriculture (including cannabis cultivation facilities), and military installations.
• No single customer accounted for more than 10% of total revenues for the years ended December 31, 2024, or December 31, 2023.
• As of December 31, 2024, one customer represented 12% of the accounts receivable balance, compared to one customer representing 14% at December 31, 2023.

Geographic Revenue Distribution:

• The majority of Tecogen Inc.'s customers are located in U.S. regions characterized by high utility rates, specifically California, the Midwest, and the Northeast.
• The company also has a service center in Toronto, Canada, supporting its existing fleet and new sales in that territory.

Competitive Intelligence

Market Structure & Dynamics

Industry Characteristics: The distributed power generation (DG) market is experiencing growth, with increasing acceptance of smaller-sized units driven by technological advancements, rising energy costs, and improved DG economics. Tecogen Inc. targets the under-1 MW electric power and under-1,200 tons cooling capacity market, which it considers largely unpenetrated. Key market drivers include natural gas prices, local electricity rates, environmental regulations, and governmental energy policies. Cogeneration systems offer significant energy conversion efficiency (up to 90%) compared to central power plants (40-50%), reducing energy costs, carbon footprints, and enhancing grid resiliency. The Inflation Reduction Act of 2022 provides substantial federal tax credits for CHP equipment, including Tecogen Inc.'s products, particularly benefiting non-profit entities. The increasing load on the utility grid from data centers and EV charging creates new opportunities for Tecogen Inc.'s products in power-constrained facilities.

Competitive Positioning Matrix:

Direct Competitors

Primary Competitors:

• Utility Grid: The primary competitor for Tecogen Inc.'s combined heat and power products.
• Other Reciprocating Engines: Competitors exist in the 60KW to 1.5MW electrical generation capacity range, but Tecogen Inc. differentiates itself with advantages in utility interconnection, installation in confined spaces, and microgrid capabilities.
• Microturbine CHP Systems: Capstone Turbine Corporation is identified as the only microturbine manufacturer with a commercial presence in CHP.
• Other Emerging Distributed Generation Technologies: Includes solar power, wind-powered systems, and fuel cells. Solar and wind systems face drawbacks such as weather dependence, the need for energy storage, high capital costs, and reliance on government subsidies. Fuel cells, while targeting similar markets, often receive higher incentives. Tecogen Inc.'s engine-driven solutions offer a competitive edge in Microgrid and resiliency applications due to their fast-dynamic response to load changes, unlike fuel cells and microturbines which require additional energy storage for off-grid operation.

Emerging Competitive Threats: The company acknowledges potential threats from new market entrants, disruptive technologies, and alternative solutions, though specific entities are not named beyond general categories.

Competitive Response Strategy: Tecogen Inc. maintains its competitive advantage through continuous research and development, focusing on innovative products and enhancements like the hybrid-drive air-cooled chiller. It leverages its patented Ultera technology in markets with stringent emissions regulations and utilizes its exclusive Microgrid software license for InVerde products. The company is also diversifying its sales efforts to reduce reliance on markets with anti-fossil fuel sentiment and actively pursuing new growth opportunities in power-constrained sectors such as data centers.

Risk Assessment Framework

Strategic & Market Risks

Market Dynamics:

• Anti-fossil Fuel Sentiment: Regulatory initiatives in key markets, such as New York City, to eliminate fossil fuels from buildings have negatively impacted cogeneration unit sales. Tecogen Inc. believes its hybrid chiller, capable of selecting the cleanest fuel source, will be advantageous in decarbonization efforts, and anticipates potential favorable shifts in the regulatory environment following the 2024 U.S. elections.
• Technology Disruption: The company faces the risk that new or enhanced technologies developed by competitors could render its products obsolete or noncompetitive, necessitating continuous innovation.
• Customer Concentration: While Tecogen Inc. is diversifying its customer base, sales to a small number of customers are expected to remain a significant portion of near-term product revenues. The loss of any major customer or an inability to collect outstanding receivables could materially impact financial results.
• Economic Viability of Projects: The profitability of CHP products is sensitive to the price spread between natural gas and electricity. Volatility in these prices, influenced by market forces and geopolitical disruptions, could make projects less economically viable or deter potential customers.
• Government & Economic Incentives: The market for cogeneration equipment relies on government and economic incentives, which vary by geographic market. The reduction, elimination, or expiration of these incentives could negatively affect demand and competitiveness.
• Utility Barriers: Utility companies or governmental entities may impose barriers to the installation or interconnection of Tecogen Inc.'s products with the electric grid, or charge additional fees for on-site power generation, which could hinder market entry and growth.

Operational & Execution Risks

Supply Chain Vulnerabilities:

• Supplier Dependency: Tecogen Inc. relies on a limited number of third-party suppliers for key components, including engines, generators, and compressors. The loss of a supplier or delays due to industry-wide shortages could materially and adversely affect business operations.
• Capacity Constraints: Rapid market penetration could strain manufacturing capabilities, as the company has not previously scaled to meet significant large-scale production requirements. The facilities relocation in 2024 temporarily constrained manufacturing capacity, impacting product revenues.
• Residual Impacts of Covid-19 Pandemic: Ongoing supply chain disruptions, including delays and lack of critical components, continue to impact product and service margins, leading to increased costs. Tecogen Inc. has responded with service price increases and engineering improvements to extend service intervals.
• Product Liability & Warranty Claims: The business is exposed to potential product liability claims and warranty expenses. While insurance is maintained, there is no assurance of sufficient coverage, and significant warranty costs could adversely affect operating results.

Financial & Regulatory Risks

Market & Financial Risks:

• Demand Volatility: Product sales are characterized by low volume, high dollar projects that are generally non-recurring, leading to significant fluctuations in revenues and product mix. The lengthy sales cycle and fixed operating expenses can cause operating results to vary materially.
• Credit & Liquidity: Tecogen Inc. has historically incurred net losses and has an accumulated deficit. The business is capital intensive, and while cash from operations improved in 2024, the company may require additional financing to fund continued operations and growth.
• Goodwill & Intangible Asset Impairment: The company recognized a goodwill impairment charge of $217,295 related to its Energy Production segment in 2024, indicating that the carrying value of assets exceeded their estimated fair value. Future impairments could occur if underlying assumptions are not realized.
• Expiring Customer Contracts: A portion of customer contracts expire annually, requiring renewal or replacement. Failure to renew or obtain new contracts at attractive rates could lead to decreased revenue and increased expenses (e.g., equipment removal costs).
• Related Party Debt: Tecogen Inc. has relied on short-term debt financing from directors and shareholders. There is a risk that the company may not generate sufficient funds from operations or secure additional financing to repay these loans when due, potentially leading to conversion into common stock and shareholder dilution.

Regulatory & Compliance Risks:

• Changes in Regulations: Compliance with evolving federal, state, and local regulations (e.g., employment practices, environmental requirements) may incur substantial costs and could impair profitability or restrict product/service offerings.
• Cannabis Industry Uncertainty: Despite the use of cogeneration equipment in cannabis cultivation facilities, the federal classification of cannabis as a Schedule I drug creates significant uncertainty regarding growers' ability to conduct business, including access to funding.
• Legal Proceedings: Tecogen Inc. was involved in a lawsuit in Ontario regarding a cogeneration unit fire, which was settled in January 2025 for CDN $400,000, with Tecogen Inc. responsible for CDN $100,000.
• Cybersecurity Risk Management: The company's business relies on IT systems and has experienced malicious attacks, including a ransomware attack in April 2023. While a cybersecurity risk management program is in place, a material weakness in disclosure controls and internal control over financial reporting related to general controls over information technology has been identified.

Geopolitical & External Risks

Geopolitical Exposure:

• Geopolitical Tensions: Higher energy prices for natural gas resulting from geopolitical conflicts (e.g., war in Ukraine, Middle East conflict) may affect the performance of the Energy Production segment and the cost differential between grid-generated and natural gas-sourced energy. These tensions also pose risks of increased cybersecurity threats, supply chain challenges, and commodity price volatility.
• Trade Relations: While the majority of vendors are domestic, limited exposure to Chinese and European suppliers exists, though tariffs are not anticipated to materially affect operations.
• Climate Change: Global climate change and associated legislative/regulatory initiatives aimed at reducing greenhouse gas emissions could impact demand for Tecogen Inc.'s products.
• Business Interruptions: The business is susceptible to interruptions from political events, war, terrorism, public health issues (e.g., Covid-19), natural disasters, and labor disputes, which could decrease demand, disrupt supply chains, and delay production.

Innovation & Technology Leadership

Research & Development Focus: Tecogen Inc. maintains a strong R&D tradition and sustained programs, cultivating deep engineering expertise. Its core technical knowledge supports product development and continuous improvement. Core Technology Areas:

• Ultera Low Emissions Technology: Developed with partial funding from the California Energy Commission and Southern California Gas Company, this patented technology enables near-zero emissions of NOx and CO, making Tecogen Inc.'s engine-driven products environmentally comparable to fuel cells at a lower cost and higher efficiency.
• InVerde e+ Cogeneration Module: Features an inverter design, UL-certified grid connection, and sophisticated off-grid and microgrid capabilities.
• Tecochill Hybrid-Drive Air-Cooled Chiller: A key current R&D focus, this chiller utilizes the InVerde e+ inverter design to simultaneously draw power from the electrical grid/renewable sources and a natural gas engine, optimizing operational costs and greenhouse gas benefits.
• TecoDrive Engine, Permanent Magnet Generator, Pumps: These components were created and optimized in-house.

Innovation Pipeline:

• The Tecochill Hybrid-Drive Air-Cooled Chiller is a significant innovation in the pipeline, with initial deliveries anticipated in the first half of fiscal 2025.
• The company is also focusing on applying its cogeneration equipment to low-carbon Controlled Environment Agriculture (CEA).

Intellectual Property Portfolio:

• Patent Strategy: Tecogen Inc. holds thirteen U.S. patents (expiring between 2025 and 2042) covering technologies such as NOx reduction, dual-stage aftertreatment systems, poison-resistant catalysts, engine controllers, ammonia reduction, vehicle emissions, the InVerde e+ inverter system, and hybrid power systems. Patents for the Ultera low-emissions technology have also been granted in multiple international jurisdictions.
• Licensing Programs: The company holds exclusive license rights to Microgrid software algorithms developed by University of Wisconsin researchers (U.S. Patent 7,687,937, expiring July 26, 2027) for engine-driven systems under 500 kW output, paying annual royalties to The Wisconsin Alumni Research Foundation (WARF).
• Copyrights: Control software is protected by copyright laws or exclusive license agreements.
• Trademarks: Registered brand names and logos include Tecogen, Tecochill, Tecopower, Ultera, InVerde, and InVerde e+.
• Trade Secrets: Tecogen Inc. relies on confidentiality agreements with employees and vendors, and non-disclosure agreements with third parties, to protect its trade secrets and proprietary knowledge.

Technology Partnerships: Tecogen Inc. actively seeks alliances and collaborations with utilities, government agencies, universities, research facilities, and manufacturers. Key partners include Sacramento Municipal Utility District, Southern California Gas Company, San Diego Gas & Electric Company, Department of Energy’s Lawrence Berkeley National Laboratory, Eastern Municipal Water District, Consortium for Electric Reliability Technology Solutions, California Energy Commission, and AVL California Technology Center.

Leadership & Governance

Executive Leadership Team

Leadership Continuity: Tecogen Inc. has a Change in Control Severance Benefit Plan, adopted in July 2020, for key management employees, including Robert A. Panora and John K. Whiting, IV. This plan provides severance benefits, health benefit continuation, bonus acceleration, and immediate vesting of unvested options upon certain termination events following a change in control, aiming to ensure leadership stability.

Board Composition: The Board of Directors holds overall responsibility for risk management, including cybersecurity threats, with the audit committee delegated specific oversight. As of the report date, directors and executive officers, along with related parties, collectively beneficially own approximately 43.0% of the company's issued and outstanding shares. The Board of Directors unanimously approved recent related party financing agreements.

Human Capital Strategy

Workforce Composition:

• Total Employees: As of December 31, 2024, Tecogen Inc. employed 91 full-time and 1 part-time employee.
• Skill Mix: The workforce comprises 5 sales and marketing personnel, 61 service personnel, 17 manufacturing personnel, and 9 finance and administrative personnel.

Talent Management: Acquisition & Retention:

• Hiring Strategy: The company's employment process is guided by its values, focusing on attracting and retaining skilled individuals.
• Employee Value Proposition: Tecogen Inc. offers fair compensation, a comprehensive benefits package (including health, dental, and life insurance; short-term and long-term disability insurance; HSA account funding; generous time off benefits), and the grant of stock options or awards.
• Retention Metrics: Web-based training is provided for all employees.

Diversity & Development:

• Development Programs: The company invests in web-based training for all employees.
• Culture & Engagement: Tecogen Inc. strives to foster an inclusive, diverse, and authentic community that promotes collaboration, integrity, engagement, and innovation, aiming to provide opportunities for personal and professional growth and work-life balance.

Environmental & Social Impact:

• Employee Health and Safety: Employee health and safety is a priority, managed through training, risk assessment, safety coaching, and employee engagement programs.

Labor Relations: Eleven New Jersey service employees are covered by a collective bargaining agreement, which is set to expire on December 31, 2025, with annual renewal provisions.

Environmental & Social Impact

Environmental Commitments: Climate Strategy:

• Tecogen Inc.'s products are designed to be highly efficient (greater than 88% efficiency compared to typical electrical grid efficiencies of 40-50%), resulting in greenhouse gas (GHG) emissions that are typically half that of the electrical grid.
• The patented Ultera low-emissions technology nearly eliminates criteria pollutants such as nitrogen oxide (NOx) and carbon monoxide (CO).
• The company anticipates its products will be compatible with Renewable Natural Gas (RNG) as it becomes more widely available in the U.S. gas pipeline infrastructure.
• The newly developed hybrid chiller is designed to select the cleanest fuel source, contributing to decarbonization efforts.

Social Impact Initiatives:

• Product Impact: Tecogen Inc. focuses on applying its expertise in clean cooling, power generation, and greenhouse gas reduction to address critical issues affecting food and energy security, particularly through its focus on Controlled Environment Agriculture (CEA).

Business Cyclicality & Seasonality

Demand Patterns:

• Seasonal Trends: Sales of heating systems are typically operational for the winter months, while chilling systems sales are primarily for the summer. Cogeneration sales are generally not affected by seasonal variations. The service team experiences higher demand during warmer months (May through September) due to the "chiller busy season" for space conditioning applications, although chillers in indoor cultivation and process cooling operate year-round.
• Economic Sensitivity: The economic viability of Tecogen Inc.'s projects can be impacted by fluctuations in electricity rates, which may decline due to excess generating capacity or economic recessions, potentially making its products less competitive.

Planning & Forecasting: Production and inventory levels are based on internal forecasts of customer demand, which is noted as highly unpredictable and subject to substantial fluctuations.

Regulatory Environment & Compliance

Regulatory Framework: Tecogen Inc.'s operations are subject to a range of federal, state, and local government regulations, including product safety certifications, interconnection requirements, air pollution regulations governing engine exhaust emissions, state and federal incentives for CHP technology, local building and permitting codes, and electric utility pricing regulations. The Energy Production segment, in particular, faces extensive government regulation, requiring local construction permits, utility interconnects, and environmental emissions filings.

Legal Proceedings: On January 13, 2025, Tecogen Inc. and its insurers entered into a settlement agreement for CDN $400,000 to resolve a lawsuit filed in Ontario regarding a cogeneration unit fire in July 2022. Tecogen Inc. was responsible for CDN $100,000 of this settlement, which was remitted on February 7, 2025.

Tax Strategy & Considerations

Tax Profile:

• Effective Tax Rate: Tecogen Inc. reported a state income tax provision of $22,565 for 2024 and $32,491 for 2023.
• Net Operating Loss (NOL) Carryforwards: As of December 31, 2024, the company had approximately $41,147,000 in Federal NOL carryforwards (with $623,000 expired in 2024, $19,240,000 expiring between 2024 and 2039, and $21,907,000 with an indefinite carryforward) and $32,285,000 in state NOLs (expiring between 2024 and 2042).
• Valuation Allowance: A full valuation allowance has been established for both federal and state deferred tax assets in 2023 and 2024, as management has determined it is more likely than not that the benefits of these deferred tax assets will not be realized.
• Section 382 Limitation: The utilization of NOL and research and development credit carryforwards is subject to annual limitations due to ownership changes, as per Section 382 of the Internal Revenue Code.
• Unrecognized Tax Benefits: No amounts for unrecognized tax benefits were recorded as of December 31, 2024, or 2023.
• Tax Examinations: Tecogen Inc. is generally not subject to federal or state income tax examinations for tax years prior to 2021, with the exception of loss carryforwards.

Insurance & Risk Transfer

Risk Management Framework:

• Insurance Coverage: Tecogen Inc. maintains product liability insurance, though there is no assurance that this coverage will be sufficient in the event of a claim. Directors' and officers' insurance coverage is also maintained.
• Risk Transfer Mechanisms: In connection with the sale of energy-producing assets, Tecogen Inc. has provided certain guarantees to the purchaser, including a minimum level of cash flows and a make-whole provision for counterparty defaults. Based on current analysis, no material payments are expected under these guarantees as of December 31, 2024.