How Underground Thermal Batteries Store Summer Heat for Winter

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How Underground Thermal Batteries Store Summer Heat for Winter

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Episode 78 of The Climate Tech Podcast explores seasonal thermal energy storage (STES) — a quietly booming sector that could slash building heating emissions. Lucas and Luna drill into a specific case: the Drake Landing Solar Community in Alberta, Canada, which uses a borehole thermal energy storage system to store summer solar heat underground and supply 90 percent of neighbourhood heating year-round. They break down the technology (heat pumps, insulated clay, district loops), why it's taken off in Europe but lagged in the US, and the economic tipping point — how $50 million up front can save $200 million over 30 years. They also compare newer startups like Canada's E2EX and Israel's Nostromo grabbing attention with modular approaches. By the end, you'll understand why underground gravel pits might be the next big climate infrastructure play. #SeasonalThermalStorage #BoreholeStorage #DrakeLanding #E2EX #NostromoEnergy #HeatPumps #DistrictHeating #BuildingDecarbonization #Geothermal #CleanEnergyStorage #SolarThermal #ClimateTech #EnergyTransition #Infrastructure #NetZero #Business #TechnologyPodcast #FexingoBusiness Keep every episode free: buymeacoffee.com/fexingo

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