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Dulcie Madden
Founder and CEO of Dig Energy, a startup building small modular drilling rigs to lower the cost of boreholes for ground-source heat pump installations.
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18 snips
Oct 22, 2025
• 60min
The Startup Trying to Put Geothermal Heat Pumps in America’s Homes
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In this conversation with Dulcie Madden, founder and CEO of Dig Energy, listeners discover how her startup is revolutionizing geothermal heat pumps. Dulcie reveals the technology behind ground-source systems and discusses how Dig's small drilling rigs could slash installation costs by 80-90%. They explore the efficiency, energy savings, and market potential for geothermal solutions in various U.S. regions. The discussion also touches on policy incentives and the future of geothermal infrastructure, painting an optimistic picture for cleaner energy.
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