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Rao Konidena's picture
Independent Consultant Rakon Energy LLC

Rao Konidena found Rakon Energy LLC because Rao is passionate about connecting clients to cost-effective solutions in energy consulting, storage, distributed energy resources, and electricity...

  • Member since 2014
  • 117 items added with 16,745 views
  • Jul 22, 2021 3:46 pm GMT
  • 123 views

FORM Energy just announced their chemistry behind multi-day long duration energy storage systems.

Their chemistry involves iron pellets and rust. The cost is $20 per kWh compared to the $100/250 per KWh.

According to Russel Gold reporting for the Wall Street Journal, the FORM Energy's iron-air battery breathes in oxygen and charges by creating rust when oxygen converts iron to rust. Then, the battery breathes out oxygen and discharges.

Great River Energy, an electric MISO transmission owner coop member contracted with FORM Energy for 150 hour storage.

This is exciting news for the energy storage industry, especially for cold climates where there is a worry if the battery lasts longer than 2/4/6 hours storage.

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Thank Rao for the Post!
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Matt Chester's picture
Matt Chester on Jul 22, 2021

Whoa that would be huge! I don't see mention in the article about timeline-- when might this be grid-ready? 

Rao Konidena's picture
Rao Konidena on Jul 22, 2021

Ready by 2025.

Matt Chester's picture
Matt Chester on Jul 22, 2021

Love to see it, looking forward to tracking this project

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