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Comment by VBprogrammer | Hacker News Reader

> Apple said the project will store 240 megawatt-hours of energy, or enough to power more than 7,000 homes for one day.

By my reckoning this would make it the largest grid connected battery in existence. 50MW larger than the Hornsdale Power Reserve.

Edit: My reckoning was wrong.

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There are larger. Moss Landing is about an hour northwest of this install (California Flats in southeastern Monterey County).

> Phase 1 of Moss Landing Energy Storage Facility was connected to the power grid and began operating on 11 December 2020, at the site of Moss Landing Power Plant, a natural gas power station owned by Vistra since it acquired the facility’s previous owner, Dynegy in 2018.

> At 300MW / 1,200MWh, the BESS is considerably larger than the 250MW / 250MWh Gateway Energy Storage project brought online earlier this year by LS Power, also in California. Not only that, but Phase 2 of Vistra’s project will add another 100MW / 400MWh and is scheduled for completion by August this year.

> The site at Moss Landing then offers what Vistra called a “unique opportunity” to expand the project’s size and storage capacity even further: the company claimed that the industrial zone in which it sits offers the potential to support up to 1,500MW / 6,000MWh of energy storage capacity, “should market and economic conditions support it”.

https://www.energy-storage.news/news/at-300mw-1200mwh-the-wo...

Nice! I hadn't heard about Moss Landing. It's only been operating for 4 months.

Looks like this [1] should be it - that's a lot of panels!

1: https://www.google.com/maps/@35.8713857,-120.3390994,7197m/d...

Scary to see a major energy storage facility less than 20' above sea level and right next to the Pacific Ocean. I hope they have flood walls built to withstand a Tsunami.

There is nuclear waste in the cliffs in San Onofre. They reportedly have nowhere to put it, and expect to only be able to store the depleted fuel there for a few decades.

Why isn't it in Yucca mountain?

Harry Reid? I am not old enough to know what happened there.

"In January 2019 Governor Steve Silolak vowed that "not one ounce" of nuclear waste would be allowed at Yucca Mountain, and a May funding bill did not include funding for the site. In May 2019, the Reno Gazette-Journal published a long-form essay cataloging opposition to the Yucca Mountain project. According to a tribal elder, the Western Shoshone view Yucca Mountain as sacred and a nuclear storage facility "will poison everything. It's people's life, our Mother Earth's life, all the living things here, all the creatures; whatever's crawling around, it's their life too." The tribes say they lack funds to discredit federal safety claims, but will be directly affected by a potential disaster."

https://en.wikipedia.org/wiki/Yucca_Mountain_nuclear_waste_r...

Reading up on it.. they store it 18 inches above high tide in single walled corrosion prone storage that can't deal with ground water moisture that is expected to eventually seep in and they came within 1/4th of an inch of dropping a barrel in a way that would break the air ventilation cooling system and require water cooling and possibly cause a Fukushima like radioactive steam release.. just a few miles from Los Angeles.

Tesla/PG&E are also building 182.5MW/730MWh presumably at the same site? https://www.teslarati.com/tesla-megapack-moss-landing-instal...

That XYZ Energy Corp. of Delaware is building a storage facility, and that Tesla is selling battery packs in the same place, does not really imply two different projects. Could be the same project.

Not really. Look at google maps sat view. These are two different projects.

Bath County Pumped Storage Station("the largest battery in the world") can store 24,000 MWh, which puts it at 100x this battery.

https://en.wikipedia.org/wiki/Bath_County_Pumped_Storage_Sta...

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