Sage Geosystems CEO Cindy Taff

Sage Geosystems CEO Cindy Taff

From Watt It Takes by Emily Kirsch

June 12, 2025 · 1h 4m · Episode 88

About this episode

Cindy Taff discusses her journey to becoming the CEO of Sage Geosystems and the innovative work in geothermal energy.

Cindy Taff is the CEO of Sage Geosystems. Sage Geosystems is pioneering Pressure Geothermal—a new category of next-generation geothermal energy that delivers grid-scale power and long-duration energy storage virtually anywhere. Emily spoke to Cindy about her journey; from growing up in Los Angeles and Louisiana, to spending 36 years climbing the corporate ladder at Shell, and what ultimately motivated her shift to geothermal. She shared how her daughter encouraged the transition, and why geothermal stood out as the place where her skills could have the greatest impact. That path led her to Sage Geosystems, which is now building its first commercial geothermal energy storage facility in Christine, Texas. The company has raised $62 million and has secured key collaborations with the U.S. Department of Defense and Meta, including a power purchase agreement for at least 150 megawatts of geothermal power to support Meta’s U.S. data centers.

People in this episode

Host: Emily Kirsch

Guest: Cindy Taff

Topics covered

  • geothermal energy
  • entrepreneurship
  • corporate leadership
  • energy storage
  • technology innovation

Keywords

  • Cindy Taff
  • Sage Geosystems
  • geothermal energy
  • energy storage
  • corporate career
  • Meta
  • U.S. Department of Defense

Mentioned in this episode

Organizations: Sage Geosystems, Shell, U.S. Department of Defense, Meta

Places: Los Angeles, Louisiana, Christine, Texas

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