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A comment on Goldman Sachs invests $250M in compressed air energy storage.

Re:Goldman Sachs invests $250M in compressed air energy storage by ccvannorman on Wednesday January 12, 2022 @10:16AM (#29907478)
I knew Danielle Fong from Lightsail Energy, folded in 2016, and at that time compressed air seemed like a great solution especially for LatAm that needed robust low cost batteries for critical infrastructure (like hospitals) on an unreliable power grid. https://en.wikipedia.org/wiki/Danielle_Fong

Would be great to see this technology reach maturity!

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Re:Goldman Sachs invests $250M in compressed air energy storage by KennyBlanken on Wednesday January 12, 2022 @11:30AM (#29908859)
That wikipedia page answers everything you need to know about compressed air energy storage.

In 2018, the tech couldn't compete against lithium ion, and the price of lithium ion continues to fall 10-20% per year.

Compressed air and that concrete-block-stacking nonsense that keeps getting press are just magnets for uneducated investors.

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Re:Goldman Sachs invests $250M in compressed air energy storage by PaulDavisThe1st on Wednesday January 12, 2022 @12:10PM (#29909619)
That wikipedia page says:

> Compared to traditional batteries, CAES systems can store energy for longer periods of time and have less upkeep.

Sometimes the cost per MW/hr or equivalent is not the only metric worth thinking about.

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Re:Goldman Sachs invests $250M in compressed air energy storage by tradesurplus on Wednesday January 12, 2022 @12:55PM (#29910408)
Plus, always a good idea to hedge: against lithium shortages / gouging and battery supply chain disruptions.
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Re:Goldman Sachs invests $250M in compressed air energy storage by mikeyouse on Wednesday January 12, 2022 @10:41AM (#29907893)
She's on HN, curious what her thoughts are: https://news.ycombinator.com/user?id=DaniFong
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Re:Goldman Sachs invests $250M in compressed air energy storage by DaniFong on Wednesday January 12, 2022 @03:49PM (#29912468)
https://twitter.com/DanielleFong/status/1481339424730497025?...
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