If necessary, we’ll switch to sodium chemistry for stationary storage if needed based on commodity input prices. With that said, incredible amounts of both lithium and sodium are cost effectively available today to achieve net zero.

https://www.rethinkx.com/faq-and-mythbusting/myth-there-is-n...

https://x.com/mzjacobson/status/2046604942203658512

https://www.youtube.com/watch?v=XKBTnj1nTWo