Iron-sodium grid batteries just took a big step toward US rollout (electrek.co)

Remember seeing this idea 13 years ago [1]

Glad they're finally coming online, though I think these iron-air batteries[2] will take most of the market share (room for all though!).

[1] https://www.youtube.com/watch?v=Sddb0Khx0yA

[2] https://sustainabilitymag.com/news/the-rust-revolution-can-i...