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Climate Tech
Venture Capital
Fractional CFO Services
Underrepresented Founders
Catalytic Capital
Grant Funding
Decarbonization
Sustainable Building Materials
Electric Aviation
Steam Production
Industrial Decarbonization
Mycelium
Water Technology
Reclaimed Lumber
Climate Investing
Natural Fibers
Plastic Manufacturing
Sustainable Aviation
Hybrid Electric Propulsion Systems
Electricity Markets

We are CleanTechies, the #1 Podcast for ClimateTech Entrepreneurs. Whether you’re an active ClimateTech entrepreneur, an aspiring one, an investor, a service provider…anything that touches supporting early stage climate tech, this is the place for you. Each week, we publish two interviews with leading experts in the field telling their stories, insights, and advice to help ClimateTech Entrepreneur... more

PublishesWeeklyEpisodes281Founded5 years ago
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Artwork for CleanTechies Podcast

Latest Episodes

00:00 – Intro: Andrew Beebe’s background in Cleantech since 2002.

03:34 – Obvious Ventures & Fund V: Deploying a new $360M fund.

04:59 – The Next Vintage: Why the tourists are gone and the real builders remain.

08:23 – The Branding Problem: Why "C... more

YouTube

00:00 – Intro: Cody Finke returns to the podcast.

04:30 – The "Rock Refinery": Moving beyond cement to co-produce aluminum and critical minerals.

05:39 – The Physics of Scale: Why cost parity is impossible with small reactors.

08:12 – The History ... more

00:00 – Intro: The $500M deal with Jupiter Power.

02:15 – Landon’s Background: Lessons from Tesla and Northvolt.

06:30 – The "Magnet Hire": How to attract A-Players by hiring one star first.

12:00 – Why Sodium-Ion?: The cost and supply chain advan... more

YouTube

00:00 – Intro: Recording in-person at 9Zero in San Francisco.

02:45 – Antonio’s Background: From Stanford PhD to Flow Batteries.

06:00 – The History: What is the "Zebra Battery" and why did it fail in EVs?

10:15 – The Chemistry: How Sodium, Iron, ... more

Key Facts

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Recent Guests

Andrew Beebe
Legendary CleanTech investor, leads planetary health pillar at Obvious Ventures
Obvious Ventures
Episode: #280 Why Every Company Will Decarbonize & The Climate Investment Arbitrage | Andrew Beebe (Obvious Ventures)
Cody Finke
Co-founder and CEO of Brimstone
Brimstone
Episode: #279 They Lost $189m DOE Grant, but Survived. Learn Why | Cody Finke (Brimstone)
Landon Mossburg
CEO and co-founder of Peak Energy
Peak Energy
Episode: #278 How to Sell $500M of Batteries Before You Build a Factory | Landon Mossburg (Peak Energy)
Antonio Baclig
CEO of Inlyte Energy
Inlyte Energy
Episode: #277 The Battery That Lost the EV Race but Could Save the Grid | Antonio Baclig (Inlyte Energy)
Hudson Hollister
Founder and CEO of HData
HData
Episode: #276 Digitizing The Paperwork Layer of the Energy Transition | Hudson Hollister (HData)
Kemp Gregory
CEO and co-founder of Renewell Energy
Renewell Energy
Episode: #275 Turning Idle Oil Wells into Gravity Batteries | Kemp Gregory (Renewell Energy)
Shaun Abrahamson
Partner at Third Sphere VC
Third Sphere VC
Episode: #274 Speed Strapping: The Success Playbook for Hardware CleanTech Startups in 2026 | Shaun Abrahamson (Third Sphere VC)
Prab Sekhon
CEO of Eclipse Energy
Eclipse Energy
Episode: #273 Tossing Microbes in an Abandoned Oil Well to Make Affordable Hydrogen | Prab Sekhon (Eclipse Energy)
Dover Janis
Co-founder and CEO of Ivy Energy
Ivy Energy
Episode: #272 The Energy Accounting Platform Turning Apartment Rooftops into Revenue Streams | Dover Janis (Ivy Energy)

Hosts

Silas Maynard
Co-host and founder-focused interviewer; known for asking practical, investor-aware questions and helping translate complex tech into fundable narratives.
Silas Manor
Host with deep focus on clean tech storytelling and industry insights; frequently features guests across the climate tech spectrum and provides strategic framing for business development and partnerships.

Reviews

4.8 out of 5 stars from 45 ratings
  • THE podcast for everything clean tech

    Silas and Somil do a wonderful job of extracting real insights and stories - not scripted answers. The guests and their companies are eye opening, and I would recommend a listen to anyone who’s vaguely curious about what’s being done to build a better Earth.

    Apple Podcasts
    5
    CalebSH98
    United States2 years ago
  • Excellent

    Great podcast with a lot of depth and nuance to it. Silas does a good job of asking the right questions.

    Apple Podcasts
    5
    Sunil Kurien
    United States2 years ago
  • Very authentic

    I love hearing about both the ups and downs. Very relatable.

    Apple Podcasts
    5
    Mary567890
    United States3 years ago
  • Good content

    Host needs a pop filter for his mic.

    Apple Podcasts
    4
    cxthom
    United States3 years ago
  • Fascinating content in a digestible format

    Silas unpacks a wide range of important topics in a friendly way with some fantastic guests! Check it out!

    Apple Podcasts
    5
    smb1003
    United States3 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Engaging, clear storytelling that makes complex topics approachable
Strong value for founders seeking funding and partnerships
Thoughtful host who draws out practical lessons from guests
Difficult questions balanced with accessible explanations
Consistent production quality and diverse guest mix

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AcquiredBen Gilbert and David Rosenthal
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Hard ForkThe New York Times
Tomorrow, Today
Tomorrow, TodayShekhar Natarajan
The Room Podcast
The Room PodcastClaudia Laurie and Madison McIlwain

Talking Points

Recent interactions between the hosts and their guests.

#280 Why Every Company Will Decarbonize & The Climate Investment Arbitrage | Andrew Beebe (Obvious Ventures)
Q: What are the core things driving more adoption of clean technologies today?
Beebe points to a combination of electrification in vehicles, industrial decarbonization, and AI-enabled efficiency, with utilities planning large-scale grid scaling and a push for decarbonization across sectors, supported by falling costs and international policy shifts.
#277 The Battery That Lost the EV Race but Could Save the Grid | Antonio Baclig (Inlyte Energy)
Q: What are the other applications that you think are most likely to benefit from this specific chemistry in the immediate future?
Antonio mentions residential storage solutions and some industrial applications may benefit significantly from iron-sodium batteries.
#277 The Battery That Lost the EV Race but Could Save the Grid | Antonio Baclig (Inlyte Energy)
Q: Is your manufacturing line, the pilot, is that here in the US?
Antonio states that the pilot manufacturing line is actually in the UK, as they acquired a UK company to access their existing facilities.
#277 The Battery That Lost the EV Race but Could Save the Grid | Antonio Baclig (Inlyte Energy)
Q: Can you explain what is the iron-sodium battery or sodium-iron battery?
Antonio explains that they refer to it as iron-sodium because of the differences with sodium-ion batteries. Their architecture is very different and uses ceramic membranes for battery cells filled with salt and iron.
#275 Turning Idle Oil Wells into Gravity Batteries | Kemp Gregory (Renewell Energy)
Q: How do you guys make money? What's the revenue model here?
Gregory explained that they help oil and gas companies meet their regulatory requirements while providing a solution for energy storage, allowing for a more affordable option for well elimination.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About CleanTechies Podcast

What is CleanTechies Podcast about and what kind of topics does it cover?

This program centers on climate tech entrepreneurship, offering founder–level conversations with engineers, researchers, and operators building scalable decarbonization solutions. Episodes emphasize real-world deployments, funding journeys, and strategic partnerships—from rock-to-refinery platforms and energy storage breakthroughs to regulatory hurdles and policy funding. A notable throughline is cost leadership and practical pathing for hardware and software clean tech, with guests ranging from bold startup founders to investors and technologists who explore market-ready innovations, risk management, and go-to-market tactics.

Listeners likely want actionable insights into building, financing, and scaling climate tech ventures, understandi... more

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How many listeners does CleanTechies Podcast get?

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Which podcasts are similar to CleanTechies Podcast?

These podcasts share a similar audience with CleanTechies Podcast:

1. Catalyst with Shayle Kann
2. Zero: The Climate Race
3. Open Circuit
4. All-In with Chamath, Jason, Sacks & Friedberg
5. Shift Key with Robinson Meyer

How many episodes of CleanTechies Podcast are there?

CleanTechies Podcast launched 5 years ago and published 281 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on CleanTechies Podcast?

Recent guests on CleanTechies Podcast include:

1. Andrew Beebe
2. Cody Finke
3. Landon Mossburg
4. Antonio Baclig
5. Hudson Hollister
6. Kemp Gregory
7. Shaun Abrahamson
8. Prab Sekhon

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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