Google’s CO2 Battery Bet: Why AI Data Centers Are Pulling Long-Duration Storage Out of the Lab and Onto the Grid

Google and Energy Dome are scaling 10-hour CO2-based long-duration energy storage (20MW/200MWh-class) to close the renewables-to-AI reliability gap. Here’s the thermodynamics, the grid role, the economics, and what “LDES as infrastructure” really means.