The startup behind Bill Gates’ ‘ski lift for energy storage’


Gigaom

Last week, Bill Gates mentioned that he’s involved with an energy storage company that was basically “gravel on ski lifts” at the Eco:nomics Conference organized by the Wall Street Journal. (Thank you, Katie Fehrenbacher, for attending.) (See video, minutes 19:15 to 20:10).

Ski lift storage has been one of those topics discussed in the hallways of energy storage conferences for years. Someone was out there, the conversation went, that wanted to use a solar- or wind-powered ski lift apparatus as a pump. It would pump gravel or water up a hill during sunny periods. At night or during peak power emergencies, the gravel or water could be released. The system essentially artificially supplies the elevation that nature left out.

Such a system could even harvest regenerative power on the way down. It’s part of a segment I call macro or terrestrial storage, i.e. large mechanical devices that…

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One thought on “The startup behind Bill Gates’ ‘ski lift for energy storage’

  1. Pingback: Looking for the Lift | Daily Clean Jokes

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