“Ambri’s grid battery costs $180/kWh to $250/kWh depending on size and duration, the company says.”
MIT researchers put the cost target for a fully wind and solar grid at $20 per kilowatt-hour. Ambri sits at $180 to $250 today and projects $21 by 2030, from a paper its own cofounder wrote. The first utility install with Xcel is 300 kWh in Colorado, starting in 2024, 14 years after the company was founded. The chemistry is promising. The 2030 number is a sales pitch.