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Benzinga
Benzinga
Business
Paula Tudoran

Bill Gates-Backed Quidnet Energy Just Stored Power Underground for Six Months—Aiming to Turn Earth Into a Giant Battery

Bill Gates United States Earth Breakthrough Energy Ventures MIT Technology Review Electricity
Solar,Panels,And,Wind,Power,Generation,Equipment

Quidnet Energy, backed by Breakthrough Energy Ventures led by Bill Gates, recently demonstrated long-duration energy storage by storing electricity underground under pressure for six consecutive months with virtually no self-discharge.

The startup discharged 35 megawatt‑hours in June from its Texas pilot site for San Antonio’s municipal power utility after holding the charge in impermeable rock formations. Quidnet Energy Vice President of Engineering Bunker Hill hailed the outcome as strong validation of the robustness and scalability of the company's Geomechanical Energy Storage technology.

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