The Keep Cool Podcast

E74: How Energize Capital is bucking fundraising trends and accelerating scalable climate tech businesses, with Managing Partner John Tough

Aug 22, 2025
John Tough, Managing Partner of Energize Capital, leads discussions on innovative approaches to climate tech investment. He shares insights on the evolving landscape, emphasizing the shift from cleantech 1.0 to climate tech 2.0. Topics include the rapid adoption of electric vehicles, the impact of V2G technologies in Europe, and the role of specialized venture capital. John highlights transformative portfolio companies improving efficiency and sustainability, while also exploring diverse emission reduction strategies, underscoring the importance of adapting to new market dynamics.
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INSIGHT

Digital Shift In Energy Spending

  • The energy transition is becoming far more digital, shifting spend from hardware to software and services.
  • John Tough says software now captures 15–20% of spend per hardware dollar versus 2–3% twenty years ago.
INSIGHT

A Specialist, Capital-Light Strategy

  • Energize focuses on capital-light software and services that enable the climate transition.
  • Their funds grew from $165M to $330M to $430M driven by track record and resilient returns.
ANECDOTE

From Cleantech 1.0 To Climate Tech Operator

  • John recounted his path from Duke to investment banking, Kleiner Perkins, and operating at Choose Energy.
  • He watched cleantech 1.0 rise and fall and then helped build the climate tech wave that followed.
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