Researchers Successfully Turn Abandoned Oil Well Into Giant Geothermal Battery

29 Jan 2023 | Abstracted from

"...researchers from the University of Illinois Urbana-Champaign were able to make use of the deep subsurface structure, despite the fact that it doesn't actually produce geothermal energy...same properties that make a subsurface rock formation ideal for oil and gas extraction also make it ideal for geothermal storage.

"...it would even be an economically viable and even profitable system, producing electricity at a competitive $0.138 kWh."

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