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

EPISODE · Jan 28, 2026 · 49 MIN

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

from CleanTechies Podcast · host Silas Mähner and Climate Cowboys Podcast

What happens when an oil well dries up? Usually, it becomes a "zombie" liability—leaking methane and waiting to become a taxpayer burden. Kemp Gregory, CEO and Co-founder of Renewell Energy, joins the show to explain how he’s turning these multi-million dollar liabilities into clean energy assets.Renewell converts idle wells into mechanical gravity batteries. By using existing deep wellbores to raise and lower heavy weights, they’ve created long-duration energy storage that is cheaper than lithium-ion and uses the infrastructure we already have.Key Takeaways:The Problem: Why the "Orphan Well Pocalypse" is a looming global crisis.The Tech: How gravity storage works and why it doesn’t degrade like chemical batteries.The Business: Convincing oil companies to hand over wells instead of plugging them.The Grid: Why "stranded assets" are actually perfectly positioned for grid stability.Building Deep-Tech: Why "agency" is the #1 trait Kemp looks for in early hires.Timestamps:01:40 – Kemp’s journey from Oil & Gas to CleanTech.05:00 – The Scale: 900k active wells vs. 2 million idle wells.14:15 – Gravity storage vs. Lithium-Ion: Cost and mechanics.18:00 – Turning abandonment costs into revenue shares.40:15 – Hiring for "Evidence of Agency."Connect & Links:Guest: Kemp Gregory | Renewell EnergyHost: Connect with Silas on LinkedInCommunity: Follow CleanTechies on LinkedInWatch: Subscribe on YouTubeOur Sponsors:Climate Finance Solutions (CFS): Secure government grant funding with a 90% success rate. Learn more at ClimateFinanceSolutions.com.ErthSearch: Specialized CleanTech recruiting. Fast, accurate, and guaranteed. Get started with Silas today.Disclaimer: This podcast is NOT investment advice. Please do your own due diligence. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit climatecowboys.substack.com/subscribe

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

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