Founder

#282 The Real State of CleanTech Hiring & The "Digestion Phase" | Silas Mähner on Keep Cool

Watch now | A special cross-post episode: Silas sits in the hot seat with Nick van Osdol to discuss his journey from rural Wisconsin to climate…

Apr 15 • Silas Mähner, CleanTechies Notes, and Nick van Osdol

58:26

#281 Simplifying Heat Pump Rebates | Samir Pendse (Coral)

How Coral is driving a 30% sales lift for HVAC contractors by turning bureaucratic rebates into instant, point-of-sale discounts.

Apr 1 • Silas Mähner and CleanTechies Notes

52:44

#279 They Lost $189m DOE Grant, but Survived. Learn Why | Cody Finke (Brimstone)

Why decarbonizing heavy industry only works if it's cheaper, and how to build an impenetrable moat using off-the-shelf parts.

Mar 4 • Silas Mähner and CleanTechies Notes

55:01

#278 How to Sell $500M of Batteries Before You Build a Factory | Landon Mossburg (Peak Energy)

Watch now | Inside the massive deal with Jupiter Power and the strategy behind scaling Sodium-Ion.

Feb 18 • Silas Mähner and CleanTechies Notes

57:26

#277 The Battery That Lost the EV Race but Could Save the Grid | Antonio Baclig (Inlyte Energy)

Why a 40-year-old technology made of table salt and iron is the perfect rival to Lithium-Ion.

Feb 11 • Silas Mähner and CleanTechies Notes

1:03:42

#276 Digitizing The Paperwork Layer of the Energy Transition | Hudson Hollister (HData)

Why the most critical part of the energy transition is still running on PDFs — and how HData is Fixing It.

Feb 4 • Silas Mähner and CleanTechies Notes

58:15

#275 Turning Idle Oil Wells into Gravity Batteries | Kemp Gregory (Renewell Energy)

Discover how to turn the Oil & Gas industry's biggest liability into the grid's most reliable asset.

Jan 28 • Silas Mähner and CleanTechies Notes

49:24

#274 Speed Strapping: The Success Playbook for Hardware CleanTech Startups in 2026 | Shaun Abrahamson (Third Sphere VC)

Learn Why "Breakeven is the New Series A" and How Hardware Startups Can Survive the Venture Capital Drought.

Jan 8 • Silas Mähner and CleanTechies Notes

1:04:03

#273 Tossing Microbes in an Abandoned Oil Well to Make Affordable Hydrogen | Prab Sekhon (Eclipse Energy)

Find Out How Eclipse Energy Turns Abandoned Oil Wells Into Hydrogen Producing Assets with Super Low Cost Microbes -- "Natures Electrolysis"

Dec 17, 2025 • Silas Mähner and CleanTechies Notes

1:02:33

#269 The Unexpected Climate Agents: Why Insurance Companies are Driving Resilient Modular Homebuilding | Vikas Enti (Reframe Systems)

How Reframe Systems blends robotics and software to deliver affordable, low-carbon, high-performance housing at scale

Nov 20, 2025 • Silas Mähner and CleanTechies Notes

53:41

#268 The New Way to do Deep Sea Mining (The Pro Environment Way) | Oliver Gunasekara (Impossible Metals)

Modern Pirates Find their Treasure in Rocks at the Ocean Floor

Nov 12, 2025 • Silas Mähner and CleanTechies Notes

1:04:22

#267 Decarbonizing Steel and Disrupting a Commodity Product | Sandeep Nijhawan (Electra)

Electra's groundbreaking electrochemical process, its impact on global CO2 emissions, and the strategic vision to become a leading clean iron producer

Nov 5, 2025 • Silas Mähner and CleanTechies Notes

1:09:51

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