Notable is the news about 30 GWh iron-air #battery project providing #EnergyStorage for 4 days!

"#FormEnergy said its iron-air batteries can store renewables-sourced electricity for 100 hours at system costs competitive with conventional power plants."

"The [1m tall] cells include iron and air electrodes" "Each of these cells are filled with water-based, non-flammable electrolyte, like the electrolyte used in AA batteries."

https://www.ess-news.com/2026/02/25/30-gwh-100-hour-duration-google-to-deploy-worlds-largest-iron-air-battery-for-minnesota-data-center/ #BESS

30 GWh, 100-hour duration: Google to deploy world’s largest iron-air battery for Minnesota data center - Energy Storage

The 300 MW / 30 GWh multi-day storage system from Form Energy will be paired with 1.6 GW of new renewables to facilitate Google’s 24/7 carbon-free energy goals.

Energy Storage