Slide 1: Tecogen Q2 2025
Tecogen Q2 2025 NYSE American: TGEN August 13th 2025
Slide 2: Safe Harbor Statement
SAFE HARBOR STATEMENT This presentation and accompanying documents contain “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," "expec
Slide 3: Table of Contents
Table of Contents Data Center Update Factory Capacity and Use of Capital Q2 Results On-Site Cogeneration Service Company Financials
Slide 4: Current Problem With A Typical AI Data Center
Current Problem With A Typical AI Data Center Current Problem - Electrical Cooling Solution - Tecogen’s Advanced Natural Gas Cooling 70MW 25MW 90MW Available for Available for IT Cooling IT 5MW Computing Computing Cooling Cooling Power (MW) Cooling Power (MW) 30 30 20 20 MW MW 10 10 0 0 Summer Summe
Slide 5: Market Interest
Market Interest LOIs • 100MW+ Data Center – Evaluating 6 Stx Chillers in Phase 1A, expect more in future phases Larger Projects - Quoted • Giga scale data center – 60 - 100 Chillers • 100MW+ Data Center– 60 – 100 Chillers Larger Projects – Preliminary Stage • 2 Projects > 400MW • Multiple smaller pr
Slide 6: Announcing - Dual Power Data Center Chiller
Announcing - Dual Power Data Center Chiller Natural Gas or Electric or Both Natural Gas = 30% more power for IT and lower Peak PUE 2 Power sources for extra resiliency and long-term fuel flexibility Self Contained Unit for Easy Installation 300 Tons @ 70F Supply Uninterrupted Cooling – No loss in co
Slide 7: How Does It Work?
How Does It Work? Dual Power Source Natural Gas Cooling Patented and Proven Technology • Uses our inverter, PMG & power train proven over 8 million hours of operation in our InVerde power gen modules • Patented Dual Power Source Technology – US11,936,327 issued March 2024 Fast and Easy Installation
Slide 8: Market Need + Manufacturing Capacity = Growth
Market Need + Manufacturing Capacity = Growth Challenges to Scaling Up Existing Tecogen Factory • 40 to 60 chillers per year Contract Manufacturing + Factory Layout Changes • 80 to 100 chillers per year • Final Assembly and Testing at Tecogen Add New Capacity with Demand • 200+ chillers per year • V
Slide 9: Target Milestones
Target Milestones Challenges to Scaling Up Convert LOIs to PO • Secure Pilot Project POs Vertiv Marketing • Marketing plan is finalized. Vertiv expects to start releasing in Q3 and Q4 Secure Larger Unit Order • Eliminate supply chain and capacity bottlenecks • Hope to sell manufacturing capacity to
Slide 10: Backlog & Cash
Backlog & Cash Cash • $18.6m post capital raise Backlog • $4.7m (not including LOI for data center customer) • $2.5m to $3.5m of cannabis projects expected to close Q3/Q4 (delayed from Q2) Related Party Loan • May repay note early so company has no debt and clean balance sheet 10
Slide 11: 2Q 2025 Results
2Q 2025 Results $ in thousands 2Q'25 2Q'24 QoQ Change % Revenues Products $ 3,155 $ 120 $ 3,035 Services 3,965 4,127 (162) Energy Production 174 482 (308) Total Revenue 7,294 4,728 2,566 54.3% Key Points Gross Profit Products 923 (52) 975 • Revenue increased 54% Service 1,495 1,935 (440) Energy Prod
Slide 12: 2Q 2025 Adjusted EBITDA Reconciliation
2Q 2025 Adjusted EBITDA Reconcilliation Key Points • Adjusted EBITDA loss better than Q2 24 Quarter Ended, June 30 Non-GAAP financial disclosure (in thousands) 2025 2024 • Reduction in margin and increased Opex Net loss attributable to Tecogen Inc. (1,464) $ (1,539) drove the loss Interest expense,
Slide 13: Q2 2025 Performance by Segment
Q2 2025 Performance by Segment 2Q Revenues ($ thousands) 2025 2024 QoQ Change Product Margin % Revenues • Hybrid chiller expected to increase to Cogeneration $ 1,067 $ 120 789% similar margin as other products with Chiller 2,016 - volume Engineered accessories 72 - Total Product Revenues 3,155 120 2
Slide 14: Summary
Summary LOIs for pilot projects New leads for sizeable projects Capital raised to strengthen balance sheet And increase manufacturing capacity Complete data center chiller line including unique dual power source chiller