Google has agreed to back a large-scale iron-air battery system to supply power for a data center in Minnesota, a deal that routes an unusual energy storage technology into one of the most electricity ...
Google plans to deploy a 300 MW/30 GWh iron-air battery system in Minnesota under an agreement with Xcel Energy, pairing it with 1.6 GW of new wind and solar.
Iron-air batteries can supply a steady supply of energy for 100 hours, far longer than competing batteries for data centers.