New Thermal Battery Supplies Clean Heat for Oil Extraction

IEEE Spectrum•Thursday, October 30, 2025 at 12:00:03 PM

Rondo Energy, a California start-up, has successfully operated the world's largest thermal battery for the past 12 weeks. This innovative system converts inexpensive renewable electricity into heat, which is then used for oil extraction. This development is significant as it not only enhances the efficiency of oil extraction processes but also promotes the use of clean energy, potentially reducing the carbon footprint associated with traditional methods.

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